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Rigetti Computing, Inc.
(NASDAQ:RGTI) 

RGTI stock logo

Rigetti Computing, Inc. is a Berkeley, California-based developer of quantum integrated circuits used for quantum computers. The company also develops a cloud platform called Forest that enables programmers to write quantum algorithms.

Founded: 2013
Founder: Chad Rigetti 
CEO: Subodh K Kulkarni  
Sector: Technology
Industry: Computer Hardware

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At a glance:
  • Early-Stage Quantum Hardware Company with R&D-Heavy Model: Rigetti is a quantum computing company focused on building superconducting quantum processors and related infrastructure; financial performance is typically dominated by research, engineering, and fabrication spending rather than mature product revenue.
  • Revenue Often Driven by Government/Research Contracts and Partnerships: Commercial revenue for quantum computing remains nascent; the company’s near-term revenue base is generally supported by grants, government programs, and strategic partnerships while broader enterprise adoption develops.
  • Operating Losses and Cash Burn Are Common for the Stage: As with many pre-scaled deep-tech hardware businesses, Rigetti has historically operated at a loss with material cash usage, making liquidity management and access to capital key factors to monitor.
  • Key Execution Metric: Improving Qubit Performance and Scaling: Progress is typically judged by technical milestones—qubit count, fidelity, error rates, and system uptime—as well as the ability to manufacture and scale repeatable chips that can support more useful workloads.
  • Competitive Landscape and Differentiation Matter: Rigetti competes with larger well-funded players and other startups; differentiation through hardware performance, software ecosystem, and go-to-market partnerships is critical to gaining share as the quantum market evolves.
Bull Thesis:
  • Advancing Quantum Processor Performance: Rigetti continues to demonstrate progress in its quantum processing units (QPUs), with recent generations like Novera and Ankaa-2 showing increased qubit counts, improved fidelity, and longer coherence times. These advancements are crucial for tackling more complex computational problems and attracting sophisticated users and researchers.
  • Strategic Partnerships and Government Contracts: The company has secured significant partnerships with government agencies (e.g., DARPA, AFRL) and national labs, validating its technology and providing stable revenue streams and funding for R&D. These collaborations are vital for long-term development, market credibility, and access to specialized expertise.
  • Full-Stack Quantum Computing Platform: Rigetti offers a comprehensive full-stack solution, including its Forest SDK and Quantum Cloud Services (QCS), which makes its hardware more accessible and easier to integrate for developers and researchers. This integrated approach can accelerate adoption and foster a stronger ecosystem around its technology, lowering barriers to entry for users.
  • Positioned in a High-Growth Emerging Market: As a pure-play quantum computing company, Rigetti is strategically positioned to capitalize on the rapidly expanding quantum computing market. Early mover advantage in specific superconducting qubit architectures could allow it to capture a significant share as the technology matures and practical applications become more prevalent.
Bear Thesis:
  • Intense Competition from Well-Funded Giants: Rigetti faces formidable competition from tech giants like IBM and Google, as well as other well-capitalized quantum startups (e.g., IonQ, Quantinuum). These competitors often possess significantly larger R&D budgets, broader market reach, and established customer bases, potentially limiting Rigetti's market share and technological lead.
  • Long Road to Commercial Viability and Profitability: Quantum computing remains largely in the research and development phase, with practical, commercially viable applications that generate substantial revenue still years away. Rigetti continues to incur significant operating losses and negative free cash flow, making profitability a distant prospect and requiring sustained investment.
  • Significant Technological Hurdles and Scalability Challenges: Scaling quantum computers to fault-tolerant levels with thousands or millions of high-fidelity qubits presents immense engineering and scientific challenges. Rigetti, like all players, must overcome significant hurdles in error correction, qubit stability, and manufacturing processes, which could delay widespread adoption and commercialization.
  • Risk of Shareholder Dilution and Need for Further Capital: Given the high burn rate associated with quantum R&D and the lack of substantial revenue, Rigetti will likely need to raise additional capital in the future. This could lead to further dilution for existing shareholders, impacting per-share value and potentially creating downward pressure on the stock price.
Main Competitors:
  • IBM Quantum ($IBM) (IBM Quantum Experience, Qiskit), IBM is a major competitor, offering a full stack of quantum computing solutions based on superconducting transmon qubits (e.g., Osprey, Condor processors). They compete directly with Rigetti in hardware development, the breadth and maturity of their quantum software ecosystem (Qiskit), and providing quantum computing as a service through their cloud platform to enterprise and research clients globally.
  • Google Quantum AI ($GOOGL) (Sycamore Processor, Cirq), Google's Quantum AI division is another significant competitor in the superconducting qubit space, known for its Sycamore processor. They compete with Rigetti by pushing the boundaries of superconducting qubit technology, developing their own quantum programming framework (Cirq), and attracting researchers and developers to their cloud-based quantum computing platform.
  • IonQ, Inc. ($IONQ) (IonQ Aria, IonQ Forte), IonQ is a pure-play quantum computing company that utilizes trapped-ion technology, an alternative hardware modality to Rigetti's superconducting approach. They compete by offering their quantum computers via their own cloud and third-party platforms (like AWS Braket and Azure Quantum), emphasizing high fidelity, connectivity, and scalability of their trapped-ion qubits.
  • Quantinuum (H-Series Quantum Computers, TKET), Formed from the merger of Honeywell Quantum Solutions and Cambridge Quantum Computing, Quantinuum is a leader in trapped-ion quantum computing (H-Series processors) and advanced quantum software (TKET). They compete with Rigetti on hardware performance (using a different qubit technology), sophisticated software optimization, and delivering full-stack quantum solutions for complex enterprise applications.
  • Amazon Web Services (AWS) - Braket ($AMZN) (Amazon Braket), While Rigetti's hardware is available on Braket, AWS Braket itself functions as a competing quantum cloud platform. It aggregates access to various quantum hardware providers (including Rigetti's direct competitors like IonQ, Quantinuum, Pasqal, and OQC), offering a unified interface and development tools. Braket competes for the customer's choice of platform to access quantum computing resources, potentially diverting users from Rigetti's direct QCS offering.
Moat:
The quantum computing landscape is intensely competitive, with Rigetti Computing facing rivals across hardware development, software ecosystems, and cloud service delivery. Established tech giants like IBM and Google are formidable competitors, investing heavily in superconducting qubit technology and comprehensive full-stack solutions. Pure-play quantum companies such as IonQ and Quantinuum offer alternative hardware modalities (trapped-ion) and robust software stacks, vying for performance and application-specific advantages. Additionally, major cloud providers like AWS (with Braket) act as platform competitors, aggregating access to various quantum hardware, including Rigetti's rivals, and influencing customer choice for quantum computing access. Rigetti's competitive edge lies in its full-stack approach, proprietary superconducting qubit technology, and open-source Quil language, but it must continuously innovate to maintain its position against well-funded and diverse competitors.
Income Statements:
Quarterly
Annual
    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 
                      
      revenue
    1,947,000 1,801,000 1,472,000 2,274,000 2,378,000 3,086,000 3,052,000 3,376,000 3,105,000 3,327,000 2,201,000 6,060,000 2,804,000 2,134,000 2,104,000    
      yoy
    -18.12% -41.64% -51.77% -32.64% -23.41% -7.24% 38.66% -44.29% 10.73% 55.90% 4.61%        
      qoq
    8.11% 22.35% -35.27% -4.37% -22.94% 1.11% -9.60% 8.73% -6.67% 51.16% -63.68% 116.12% 31.40% 1.43%     
      cost of revenue
    1,543,000 1,235,000 1,030,000 1,271,000 1,174,000 1,096,000 1,552,000 860,000 834,000 597,000 510,000 810,000 776,000 873,000 414,000    
      total gross profit
    404,000 566,000 442,000 1,003,000 1,204,000 1,990,000 1,500,000 2,516,000 2,271,000 2,730,000 1,691,000 5,250,000 2,028,000 1,261,000 1,690,000    
      yoy
    -66.45% -71.56% -70.53% -60.14% -46.98% -27.11% -11.30% -52.08% 11.98% 116.49% 0.06%        
      qoq
    -28.62% 28.05% -55.93% -16.69% -39.50% 32.67% -40.38% 10.79% -16.81% 61.44% -67.79% 158.88% 60.82% -25.38%     
      gross margin %
    20.75% 31.43% 30.03% 44.11% 50.63% 64.48% 49.15% 74.53% 73.14% 82.06% 76.83% 86.63% 72.33% 59.09% 80.32% NaN% NaN% NaN% 
      operating expenses:
                      
      research and development
    15,020,000 13,522,000 15,455,000 13,657,000 12,752,000 11,870,000 11,471,000 12,787,000 13,056,000 13,219,000 13,707,000 15,912,000 17,365,000 12,634,000 12,449,000    
      selling, general and administrative
    5,933,000 6,926,000 6,619,000 5,840,000 5,798,000 6,205,000 6,614,000 6,936,000 6,047,000 5,747,000         
      total operating expenses
    20,953,000 20,448,000 22,074,000 19,497,000 18,550,000 18,075,000 18,085,000 19,723,000 19,103,000 18,966,000 23,711,000 31,976,000 33,352,000 26,906,000 25,484,000    
      income from operations
    -20,549,000 -19,882,000 -21,632,000 -18,494,000 -17,346,000 -16,085,000 -16,585,000 -17,207,000 -16,832,000 -16,236,000 -22,020,000 -26,726,000 -31,324,000 -25,645,000 -23,794,000 -3,709,633 -570,395 -489,640 
      yoy
    18.47% 23.61% 30.43% 7.48% 3.05% -0.93% -24.68% -35.62% -46.26% -36.69% -7.46% 620.45% 5391.63% 5137.52%     
      qoq
    3.35% -8.09% 16.97% 6.62% 7.84% -3.01% -3.61% 2.23% 3.67% -26.27% -17.61% -14.68% 22.14% 7.78% 541.41% 550.36% 16.49%  
      operating margin %
    -1055.42% -1103.94% -1469.57% -813.28% -729.44% -521.22% -543.41% -509.69% -542.09% -488.01% -1000.45% -441.02% -1117.12% -1201.73% -1130.89% -Infinity% -Infinity% -Infinity% 
      other income
                      
      interest expense
       -446,000 -733,000 -969,000 -1,107,000 -1,268,000 -1,473,000 -1,574,000 -1,464,000 -1,475,000 -1,436,000  -1,205,000    
      interest income
    5,598,000 3,042,000 2,152,000 1,546,000 1,226,000 1,218,000 1,123,000 1,330,000 1,263,000 1,199,000 1,284,000 1,261,000 1,042,000      
      change in fair value of derivative warrant liabilities
    -181,955,000 -20,557,000 53,262,000 -90,885,000 1,200,000 2,100,000 -2,583,000 3,160,000 -3,442,000 -5,000 -873,000 2,279,000 8,103,000 8,687,000 5,822,000 -20,527,750 5,230,000 -1,961,250 
      change in fair value of earn-out liabilities
    -4,062,000 -2,257,000 8,837,000 -44,256,000 820,000 1,315,000 -1,621,000 1,413,000 -1,731,000 -350,000 -281,000        
      total other income
    -180,419,000 -19,772,000 64,251,000 497,250 2,513,000 3,664,000 -4,188,000 4,635,000 -5,383,000 -730,000 -1,334,000 3,854,000 12,569,000 15,671,000 13,324,000    
      net loss before provision for income taxes
    -200,968,000   -152,961,000 -14,833,000 -12,421,000 -20,773,000 -12,572,000 -22,215,000 -16,966,000 -23,354,000 -22,872,000 -18,755,000 -9,974,000 -10,470,000    
      provision for income taxes
                      
      net income
    -200,968,000 -39,654,000 42,619,000 -152,961,000 -14,833,000 -12,421,000 -20,773,000 -12,572,000 -22,215,000 -16,966,000 -23,354,000 -22,872,000 -18,755,000 -9,974,000 -10,470,000 -24,230,061 4,664,815 -2,445,737 
      yoy
    1254.87% 219.25% -305.17% 1116.68% -33.23% -26.79% -11.05% -45.03% 18.45% 70.10% 123.06% -5.60% -502.05% 307.81%     
      qoq
    406.80% -193.04% -127.86% 931.22% 19.42% -40.21% 65.23% -43.41% 30.94% -27.35% 2.11% 21.95% 88.04% -4.74% -56.79% -619.42% -290.73%  
      net income margin %
    -10321.93% -2201.78% 2895.31% -6726.52% -623.76% -402.50% -680.64% -372.39% -715.46% -509.95% -1061.06% -377.43% -668.87% -467.39% -497.62% -Infinity% Infinity% -Infinity% 
      net income per share
    -0.62 -0.13 0.15 -0.81 -0.08 -0.07 -0.14 -0.09 -0.17 -0.13 -0.19 -0.19 -0.16 -0.09 -0.2    
      weighted-average shares used for eps calculation
    325,024 298,254 284,698 184,666 188,389 171,903 151,855 131,977 133,866 128,515 124,778 102,300,852 118,571,295 114,096,390 53,691,948    
      net income before provision for income taxes
     -39,654,000 42,619,000                
      net loss available to common stockholders used in diluted earnings per share
     -39,654                 
      net income available to common stockholders used in diluted earnings per share
      38,256                
      restructuring
              991,000        
      transaction costs
                      
      sales and marketing
              518,000 1,426,000 1,960,000 1,487,000 1,475,000    
      general and administrative
              8,495,000 9,261,000 14,027,000 12,785,000 11,560,000    
      other income, net:
                      
      change in fair value of earn-out liability
               1,789,000 4,860,000 8,024,000 9,634,000    
      other income , net:
                      
      interest expense, net of interest income
                 -1,040,000     
      transaction cost
                  -927,000    
      other expense
                      
      general and administrative expenses
                   3,709,633 570,395 489,640 
      offering costs associated with derivative warrant liabilities
                      
      income from investments held in trust account
                   7,322 5,210 5,153 
      weighted-average number of class a ordinary shares
                    34,500,000  
      basic and diluted net income per share, class a
                   0.005 0.11  
      weighted-average number of class b ordinary shares, basic
                   8,433,904 8,625,000  
      weighted-average number of class b ordinary shares, diluted
                   8,625,000 8,625,000  
      basic and diluted net income per share, class b
                   0.005 0.11  
      weighted-average shares outstanding of class a ordinary shares subject to redemption, basic and diluted
                     31,550,742 
      basic and diluted net income per share, class a ordinary shares subject to redemption
                      
      weighted-average shares outstanding of non-redeemable class a and class b ordinary shares, basic and diluted
                     11,574,258 
      basic and diluted net loss per share, non-redeemable class a and class b ordinary shares
                     -0.21 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 
                         
        assets
                         
        current assets:
                         
        cash and cash equivalents
      26,133,000 57,183,000 37,162,000 67,674,000 20,286,000 20,684,000 35,098,000 21,392,000 41,757,000 21,712,000 26,117,000 57,888,000 73,837,000       
        available-for-sale investments - short-term
      420,850,000 368,556,000 171,966,000 124,420,000                
        accounts receivable
      2,277,000 1,753,000 1,068,000 2,427,000 6,384,000 5,232,000 4,706,000 5,029,000 2,996,000 7,629,000 5,320,000 6,235,000 2,295,000 2,572,000 1,261,000     
        prepaid expenses
      3,658,000 3,056,000 2,124,000 3,156,000             346,246 360,684 414,746 
        other current assets
      3,376,000 3,031,000 2,041,000 9,081,000                
        total current assets
      456,294,000 433,579,000 214,361,000 206,758,000 103,866,000 109,667,000 110,044,000 107,667,000 116,696,000 117,529,000 130,265,000 154,467,000 169,623,000 192,383,000 215,183,000 767,835 1,271,684 1,615,433 1,800,037 
        available-for-sale investments - long-term
      111,955,000 145,903,000  25,068,000                
        property and equipment
      54,065,000 48,869,000 46,100,000 44,643,000 44,837,000 45,651,000 44,610,000 44,483,000 40,348,000 41,356,000 42,575,000 39,530,000 37,440,000 30,583,000 23,943,000     
        operating lease right-of-use assets
      6,818,000 7,217,000 7,609,000 7,993,000 8,369,000 6,850,000 7,243,000 7,634,000 8,028,000   9,316,000        
        other assets
      1,142,000 1,122,000 1,068,000 325,000 178,000 244,000 218,000 129,000 132,000 130,000 130,000 129,000 129,000 130,000 1,083,000     
        total assets
      630,274,000 636,690,000 269,138,000 284,787,000 157,250,000 162,412,000 162,115,000 159,913,000 165,204,000 167,567,000 181,907,000 203,442,000 212,686,000 228,590,000 245,903,000 345,822,789 346,283,633 346,622,172 346,801,623 
        liabilities and stockholders' equity
                         
        current liabilities:
                         
        accounts payable
      3,279,000 2,159,000 3,401,000 1,590,000 1,604,000 1,843,000 3,822,000 5,772,000 1,447,000 947,000 1,664,000 1,938,000 1,726,000 1,517,000 3,453,000 314,094 150,000 53,620 65,450 
        accrued expenses and other current liabilities
      6,137,000 5,955,000 5,665,000 8,005,000 5,581,000 7,609,000 5,892,000 8,563,000 7,389,000 6,557,000 8,731,000 8,205,000 6,934,000 4,428,000 5,230,000     
        current portion of deferred revenue
       118,000 147,000 113,000     472,000           
        current portion of operating lease liabilities
      2,218,000 2,198,000 2,179,000 2,159,000 2,142,000 2,234,000 2,219,000 2,210,000 2,212,000           
        total current liabilities
      11,634,000 10,430,000 11,392,000 11,867,000 21,460,000 25,564,000 24,876,000 29,052,000 23,042,000 21,352,000 22,989,000 21,752,000 16,305,000 11,279,000 11,567,000 4,236,719 995,252 768,605 458,750 
        deferred revenue, less current portion
      698,000 698,000 698,000 698,000                
        operating lease liabilities, less current portion
      5,379,000 5,812,000 6,230,000 6,641,000 7,040,000 5,455,000 5,880,000 6,297,000 6,705,000           
        derivative warrant liabilities
      240,737,000 60,116,000 39,576,000 93,095,000 2,210,000 3,410,000 5,510,000 2,927,000 6,087,000 2,645,000 2,640,000 1,767,000 4,046,000 8,944,000 24,001,000 30,987,750 10,460,000 15,690,000 13,728,750 
        earn-out liabilities
       6,371,000 4,114,000 45,897,000 1,641,000 2,461,000 3,776,000 2,155,000 3,568,000 1,837,000 1,487,000 1,206,000 2,995,000 8,925,000 16,949,000     
        total liabilities
      258,448,000 83,427,000 62,010,000 158,198,000 34,412,000 40,254,000 46,538,000 50,325,000 52,513,000 49,205,000 52,441,000 53,218,000 46,781,000 54,765,000 80,473,000 47,299,469 23,530,252 28,533,605 26,267,320 
        commitments and contingencies
                         
        stockholders’ equity:
                         
        preferred stock, par value 0.0001...
                         
        common stock, par value 0.0001...
      33,000 32,000 29,000 29,000 19,000 17,000 16,000 14,000 14,000 13,000 12,000         
        additional paid-in capital
      1,123,853,000 1,104,880,000 719,315,000 681,202,000 524,351,000 508,971,000 489,955,000 463,089,000 453,790,000 437,320,000 431,466,000 429,025,000 422,200,000 401,290,000 382,959,000   8,618,370 6,172,654 
        accumulated other comprehensive income
      690,000 133,000 -88,000 105,000 254,000 123,000 138,000 244,000            
        accumulated deficit
      -752,750,000 -551,782,000 -512,128,000 -554,747,000 -401,786,000 -386,953,000 -374,532,000 -353,759,000 -341,187,000 -318,972,000 -302,006,000 -278,652,000 -255,780,000 -227,575,000 -217,601,000 -46,477,543 -22,247,482 -3,619,545 -1,173,808 
        total stockholders’ equity
      371,826,000 553,263,000 207,128,000 126,589,000 122,838,000 122,158,000 115,577,000 109,588,000 112,691,000 118,362,000 129,466,000 150,224,000 165,905,000 173,825,000 165,430,000     
        total liabilities and stockholders’ equity
      630,274,000 636,690,000 269,138,000 284,787,000 157,250,000 162,412,000 162,115,000 159,913,000 165,204,000 167,567,000 181,907,000         
        current portion of debt
          11,247,000 13,042,000 12,814,000 12,164,000 11,522,000           
        debt, less current portion
          2,061,000 3,364,000 6,496,000 9,894,000            
        available-for-sale investments
          72,294,000 79,792,000 67,661,000 78,537,000 68,470,000 83,765,000 95,849,000 84,923,000 87,186,000       
        prepaid expenses and other current assets
          4,902,000 3,959,000 2,579,000 2,709,000 3,473,000 3,338,000 1,756,000 2,450,000 3,633,000 4,248,000 4,405,000     
        deferred revenue
          886,000 836,000 129,000 343,000  833,000 559,000 961,000 811,000 1,108,000 519,000     
        forward contract—assets
               1,085,000 1,129,000   1,543,000 2,740,000     
        deferred offering costs
                94,000 742,000 742,000  151,000     
        debt - net of current portion
              13,111,000 16,096,000  20,635,000 22,999,000       
        accumulated other comprehensive gain
              74,000 1,000  -161,000 -527,000 99,000 61,000     
        operating lease – right-of-use assets
               8,552,000 8,937,000         
        liabilities and stockholders’ equity
                         
        debt - current portion
               10,666,000  8,303,000 6,834,000       
        operating lease liabilities—current
               2,349,000 2,350,000         
        operating lease liabilities - noncurrent
               7,275,000  7,858,000        
        commitments and contingencies - note 18
                         
        debt – current portion
                9,685,000         
        debt – net of current portion
                17,846,000         
        operating lease liabilities – noncurrent
                7,479,000         
        accumulated other comprehensive loss
                -6,000         
        forward contract - assets
                 2,229,000 1,930,000       
        restricted cash
                  117,000 117,000 317,000     
        goodwill
                  5,377,000 5,377,000 5,377,000     
        liabilities, redeemable convertible preferred stock and stockholders’ equity
                         
        operating lease liabilities - current
                 2,345,000        
        forward contract - liabilities
                         
        other liabilities
                  436,000 416,000 278,000     
        redeemable convertible preferred stock*, par value 0.0001...
                         
        stockholders’ equity
                         
        common stock*, par value 0.0001...
                 12,000 12,000 11,000 11,000     
        total liabilities, redeemable convertible preferred stock and stockholders’ equity
                 203,442,000 212,686,000 228,590,000      
        cash
                   184,020,000 206,626,000 532,436 925,438 1,231,287 1,385,291 
        debt—current portion
                   4,226,000 2,365,000     
        forward contract—liabilities
                         
        debt—net of current portion
                   25,201,000 27,678,000     
        liabilities, redeemable convertible preferred stock and stockholders’ deficit
                         
        convertible notes
                         
        stockholders’ deficit:
                         
        total liabilities, redeemable convertible preferred stock and stockholders’ deficit
                    245,903,000     
        prepaid expenses – current
                     235,399    
        prepaid expenses – long term
                     35,683    
        investments held in trust account
                     345,019,271 345,011,949 345,006,739 345,001,586 
        liabilities, class a ordinary shares subject to possible redemption and shareholders' equity
                         
        accrued expenses
                     3,922,625 845,252 714,605 393,300 
        deferred underwriting commissions
                     12,075,000 12,075,000 12,075,000 12,075,000 
        class a ordinary shares subject to possible redemption, 0.0001 par value...
                     345,000,000 345,000,000   
        shareholders' equity
                         
        preference shares, 0.0001 par value; 5,000,000 shares authorized; no shares issued or outstanding
                         
        class a ordinary shares, 0.0001 par value...
                       313,088,560 315,534,300 
        class b ordinary shares, 0.0001 par value...
                     863 863 863 863 
        total shareholders' equity
                     -46,476,680 -22,246,619 5,000,007 5,000,003 
        total liabilities, class a ordinary shares subject to possible redemption and shareholders' equity
                     345,822,789 346,283,633   
        liabilities and shareholders' equity
                         
        preference shares, 0.0001 par value; 5,000,000 shares authorized; none issued and outstanding
                         
        due from related party
                       23,462  
        due to related party
                       380 4,820 
        total liabilities and shareholders' equity
                       346,622,172 346,801,623 
                         
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 
                       
          cash flows from operating activities:
                       
          net loss
           -152,961,000 -14,833,000 -12,421,000 -20,773,000 -12,572,000 -22,215,000 -16,966,000 -23,354,000 -22,872,000 -28,205,000 -9,974,000 -10,470,000 
          adjustments to reconcile net loss to net cash from operating activities:
                       
          depreciation and amortization
        2,074,000 1,894,000 1,829,000 1,751,000 1,821,000 1,547,000 1,787,000 1,045,000 2,132,000 2,160,000 2,089,000 2,216,000 1,823,000 1,588,000 1,390,000 
          stock-based compensation
        4,299,000 3,554,000 4,174,000 3,364,000 3,427,000 3,287,000 2,991,000 3,682,000 3,669,000 3,355,000 1,703,000 7,169,000 15,121,000 11,041,000 11,481,000 
          change in fair value of earn-out liabilities
        4,062,000 2,257,000 -8,837,000 44,256,000 -820,000 -1,315,000 1,621,000 -1,413,000 1,731,000 350,000 281,000     
          change in fair value of derivative warrant liabilities
        181,955,000 20,557,000 -53,262,000 90,885,000 -1,200,000 -2,100,000 2,583,000 -3,160,000 3,442,000 5,000 873,000 -2,279,000 -5,344,000 -8,687,000 -5,822,000 
          accretion of available-for-sale securities
        -3,629,000 -1,973,000 -1,423,000 -870,000 -976,000 -921,000 -855,000 -811,000 -739,000 -1,065,000 -506,000 -593,000    
          amortization of debt issuance costs, commitment fees and accretion of final payment fees
                       
          non-cash lease expense
        399,000 392,000 384,000 376,000 749,000 393,000 391,000 394,000 524,000 385,000 379,000     
          changes in operating assets and liabilities:
                       
          accounts receivable
        -524,000 -685,000 1,359,000 3,957,000 -1,152,000 -526,000 323,000 -2,033,000 4,633,000 -2,309,000 915,000 -3,939,000 277,000 -1,312,000 282,000 
          prepaid expenses, other current assets and other assets
        -1,010,000 -2,215,000 1,379,000 -479,000 -934,000 -1,456,000 435,000 768,000        
          deferred revenue
        -118,000 -29,000 34,000 -75,000 50,000 707,000 -214,000 -129,000 -361,000 274,000 -402,000 150,000 -297,000 589,000 -466,000 
          accounts payable
        -49,000 -129,000 747,000 -228,000 277,000 -1,419,000 334,000 1,107,000 1,086,000 -814,000 -484,000 -13,000 188,000 -2,364,000 1,482,000 
          accrued expenses and operating lease liabilities
        -313,000 -138,000 -2,654,000 951,000 -2,030,000 458,000 -2,060,000         
          net cash from operating activities
        -13,822,000 -16,169,000 -13,651,000 -8,544,000 -15,427,000 -13,517,000 -13,139,000 -12,421,000 -4,540,000 -18,070,000 -15,548,000 -14,207,000 -13,397,000 -19,364,000 -15,721,000 
          capital expenditures
        -4,547,000 -6,721,000 -1,065,000 -994,000 -3,538,000 -2,421,000  2,084,000 -1,117,000 -921,000 -4,474,000 -3,219,000 -8,637,000 -7,800,000 -2,836,000 
          free cash flows
        -18,369,000 -22,890,000 -14,716,000 -9,538,000 -18,965,000 -15,938,000  -10,337,000 -5,657,000 -18,991,000 -20,022,000 -17,426,000 -22,034,000 -27,164,000 -18,557,000 
          cash flows from investing activities:
                       
          purchases of property and equipment
        -5,889,000 -5,667,000 -2,547,000 -1,282,000 -2,278,000 -2,045,000 -5,493,000 -1,548,000 -1,776,000 -931,000 -4,804,000 -3,443,000 -8,658,000 -7,800,000 -2,836,000 
          purchases of available-for-sale securities
        -84,087,000 -394,456,000 -44,062,000 -126,313,000 -22,456,000 -48,708,000 -27,287,000 -30,205,000 -21,428,000 -19,091,000 -38,528,000 2,899,000    
          maturities of available-for-sale securities
        70,000,000 54,000,000 23,000,000 50,001,000 30,999,000 37,500,000 39,000,000 21,002,000 37,493,000 32,243,000 28,346,000     
          net cash from investing activities
        -19,976,000 -346,123,000 -23,609,000 -77,594,000 6,265,000 -13,253,000 6,220,000 -10,751,000 14,289,000 12,221,000 -14,986,000 -544,000 -95,844,000 -7,800,000 -2,836,000 
          cash flows from financing activities:
                       
          payments of principal of notes payable
            -3,292,000 -3,154,000 -3,045,000         
          proceeds from sale of common stock through common stock purchase agreement
               5,493,000 12,703,000       
          proceeds from sale of common stock through at-the-market (atm) offerings
                      
          proceeds from sale of common stock from quanta private placement transaction
                      
          payments of offering costs
        -90,000 -725,000 -73,000 -1,357,000 -29,000 -273,000 -174,000         
          net proceeds from tax withholdings on sell-to-cover equity award transactions
        6,272,000             
          proceeds from issuance of common stock upon exercise of stock options
        366,000 1,116,000 327,000             
          proceeds from issuance of common stock upon exercise of warrants
        2,541,000 50,000 409,000             
          net cash from financing activities
        2,817,000 382,160,000 6,935,000 133,674,000 8,692,000 12,383,000 20,710,000 2,689,000 10,255,000 1,440,000 -1,154,000 -1,635,000 -677,000 4,321,000 213,445,000 
          effects of exchange rate changes on cash and cash equivalents
        -69,000 153,000 -187,000 -148,000 72,000 -27,000 -85,000 118,000 41,000 4,000 -83,000     
          net decrease in cash and cash equivalents
        -31,050,000    -398,000           
          cash and cash equivalents – beginning of period
        67,674,000 21,392,000 57,888,000     
          cash and cash equivalents – end of period
        -31,050,000 20,021,000 37,162,000 47,388,000 -398,000 -14,414,000 35,098,000 -20,365,000 20,045,000 -4,405,000 26,117,000     
          supplemental disclosures of other cash flow information:
                       
          cash paid for interest
           293,000 553,000 693,000 811,000 1,041,000 969,000 1,258,000 1,072,000 1,080,000 1,031,000 830,000 878,000 
          non-cash investing and financing activities:
                       
          capitalization of deferred costs to equity upon share issuance
            58,000 80,000 52,000 13,000 422,000 250,000   
          purchases of property and equipment recorded in accounts payable
        1,169,000 -991,000 1,408,000 214,000 -487,000 -376,000 1,115,000 3,218,000 87,000 97,000 210,000 224,000 21,000   
          purchases of property and equipment recorded in accrued expenses
        173,000 -63,000 74,000 74,000 -773,000   414,000 572,000 -87,000 120,000     
          non-cash addition to operating lease right-of-use asset and liability
                       
          reclassification of earn-out liabilities to additional paid-in capital for vesting of promote sponsor vesting shares
        10,433,000 32,946,000             
          reclassification of derivative liabilities to additional paid-in capital due to exercise of public warrants
        1,335,000 17,000 257,000             
          unrealized gain on short term investments
        630,000   12,000 70,000 2,000 -18,000         
          net income
         -39,654,000 42,619,000             
          adjustments to reconcile net income to net cash from operating activities:
                       
          purchases of offering costs in accounts payable
                       
          proceeds from sale of common stock through at-the-market (atm) offering
                       
          net increase in cash and cash equivalents
          -30,512,000    13,706,000 -20,365,000 20,045,000 -4,405,000 -31,771,000     
          purchases of deferred offering costs in accounts payable
          122,000   -244,000 273,000         
          unrealized losses on short term investments
          -8,000             
          change in fair value of forward contract
               1,085,000 44,000 1,100,000 -299,000 -388,000   
          impairment of deferred offering costs
               94,000 742,000     
          loss on extinguishment of debt
                       
          principal repayments and prepayment and final payment fees of notes payable
                       
          net payments of tax withholdings on sell-to-cover equity award transactions
                       
          proceeds from sale of common stock through registered direct offering
                       
          proceeds from issuance of common stock upon exercise of stock options and warrants
           471,000 15,000 8,000 60,000 124,000 99,000 152,000 751,000 78,000 315,000 5,073,000 602,000 
          non-cash addition to operating lease right-of-use assets and lease liability
                      
          amortization of debt issuance costs, commitment fees and accretion of debt end-of-term liabilities
            194,000 249,000 298,000 353,000        
          proceeds from sale of common stock from sales through common stock purchase agreement
            12,838,000         
          proceeds from sale of common stock from sales through at-the-market (atm) offering
            11,998,000 15,802,000 11,031,000         
          goodwill impairment
                       
          other liabilities
                   -437,000 20,000 79,000 43,000 
          proceeds from business combination, net of transaction costs paid
                   225,604,000 
          transaction costs paid directly by rigetti
                   -422,000 -992,000 -697,000 -16,731,000 
          proceeds from issuance of notes payable
                     
          payments of debt issuance costs
                       
          payment of loan and security agreement exit fees
                       
          initial fair value of earn-out liability acquired in merger
                       
          initial fair value of private placement and public warrant liability acquired in merger
                       
          reclassification of loan and security agreement warrants to equity
                      
          settlement of the first tranche of forward contract
                     
          right-of-use assets recorded on adoption of asu 2016‑02
                       
          operating lease liabilities recorded on adoption of asu 2016‑02
                       
          lease liabilities arising from obtaining right-of-use assets
                       
          accrued expenses and other current liabilities
                193,000 -2,292,000 32,000 987,000 2,502,000 -1,639,000 2,606,000 
          payment on principal of notes payable
                -2,547,000 -1,060,000 -1,798,000     
          payments on debt issuance costs
                   -55,000 -30,000 
          payment on loan and security agreement exit fees
                   -1,000,000 
          payments on deferred offering costs
                -107,000     
          unrealized gain short term investments
                       
          amortization of debt issuance costs
                 191,000 237,000 -155,000 405,000 431,000 236,000 
          accretion of debt commitment fee
                       
          accretion of debt end-of-term liabilities
                 24,000 72,000     
          prepaid expenses and other current assets
                 -1,582,000 694,000 1,183,000 616,000 156,000 -3,054,000 
          other assets
                 -1,000 -1,000 1,000 952,000 -918,000 
          supplemental disclosure of cash flow information
                       
          supplemental disclosure of non-cash investing and financing activities:
                       
          exercise of loan and security agreement warrants
                       
          unrealized gain on short-term investments
                 3,000 238,000     
          accretion of debt commitment fee asset
                  82,000     
          cash flows from operating activities
                       
          change in fair value of earnout liability
                     -8,024,000 -9,634,000 
          amortization of debt commitment fee asset
                       
          accretion of debt end of term liabilities
                      46,000 
          cash flows from investing activities
                       
          cash flows from financing activities
                       
          payments on principal of notes payable
                       
          effect of changes in exchange rate on cash and restricted cash
                   320,000 -265,000 37,000 9,000 
          net increase in cash, cash equivalents, and restricted cash
                   -16,066,000    
          cash, cash equivalents, and restricted cash at beginning of period
                      
          cash, cash equivalents, and restricted cash at end of period
                   -16,066,000    
          supplemental disclosure of cash flow information:
                       
          supplemental disclosure of non-cash financing activity:
                       
          deferred offering costs in accounts payable and accrued expenses
                       
          fair value of loan and security agreement warrant liability
                      2,691,000 
          initial fair value of private placement and public warrants liability acquired in merger
                       
          purchases of property and equipment recorded in accrued expense
                       
          unrealized loss on short term investments
                       
          right-of-use assets recorded on adoption of asu 2016-02
                       
          operating lease liabilities recorded on adoption of asu 2016-02
                       
          change in fair value of earn-out liability
                       
          supplemental disclosure of non- cash financing and investing activities:
                       
          fair value of earn-out liability
                    -6,170,000 26,583,000 
          fair value of private placement and public warrants liability
                    445,000   
          net increase in cash and restricted cash
                     -22,806,000 194,897,000 
          cash and restricted cash at beginning of period
                     12,046,000 
          cash and restricted cash at end of period
                     -22,806,000 206,943,000 
          change in fair value of forward contract—liabilities
                      -2,970,000 
          amortization of exit fee asset
                      47,000 
          proceeds from issuance of debt and warrants
                      5,000,000 
          fair value of private placement warrants liability
                      22,487,000 
          adjustments to reconcile net income to cash from operating activities:
                       
          offering costs associated with derivative liabilities
                       
          income from investments held in trust account
                       
          prepaid expenses
                       
          accrued expenses
                       
          cash deposited in trust account
                       
          proceeds from note payable to related party
                       
          repayment of note payable to related party
                       
          proceeds received from initial public offering, gross
                       
          proceeds received from private placement
                       
          offering costs paid
                       
          net change in cash
                       
          cash - beginning of the period
                       
          cash - end of the period
                       
          supplemental disclosure of noncash financing activities:
                       
          offering costs included in accrued expenses
                       
          prepaid expenses paid by sponsor in exchange for issuance of class b ordinary shares
                       
          deferred underwriting commissions
                       
          accretion of class a ordinary shares to redemption amount
                       
          •