Alternatives to Rigetti Computing
The top Quantum Computing companies similar to Rigetti Computing, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
QuantWare62Quantum ComputingDelft, Netherlands$162.0M- FRFrostByte24Quantum ComputingDelft, Netherlands
PsiQuantum70Quantum ComputingPalo Alto, United States$3.6B
Quantum Machines69Quantum ComputingTel Aviv, Israel$293.0M
Quantum Art62Quantum ComputingTel Aviv, Israel$141.1M
Pasqal61Quantum ComputingPalaiseau, France$273.0M- IQIQM Quantum Computers60Quantum ComputingEspoo, Finland$532.9M
IQM58Quantum ComputingEspoo, Finland$516.0M
QEDMA57Quantum ComputingTel Aviv, Israel$40.7M
Infleqtion54Quantum ComputingLondon, United Kingdom$405.0M- IQIQM Quantum54Quantum ComputingEspoo, Finland$902.4M
D-Wave51Quantum ComputingBurnaby, Canada$40.0M
Nord Quantique Inc.50Quantum ComputingSherbrooke, Canada$30.0M- ATAtlantic Quantum49Quantum ComputingBoston, United States$12.0M
PhotonicsQ46Photonic$1.0M- VAVacua37Quantum Computing
Quantinuum66Quantum ComputingBroomfield, United States$1.2B
Quantum Source Labs61Quantum ComputingPalo Alto, United States$78.5M
AetherFlux61Quantum ComputingPalo Alto, United States$300.0M
Phasecraft57Quantum ComputingLondon, United Kingdom$99.4M
Quantum Transistors47Quantum ComputingPalo Alto, United States$34.0M
AI Quantum32Quantum ComputingCambridge, United States$1.0M
IonQ27Quantum ComputingCollege Park, United States$35.0M
QUANTUMSOURCE LABS19Quantum ComputingPalo Alto, United States
Google73InternetMountain View, United States$9.1B
Classiq67Quantum ComputingTel Aviv, Israel$194.5M
Multiverse Computing61AI OptimizationSan Sebastián, Spain$807.0M
Microsoft43Operating SystemRedmond, United States- Q-Q-ANT42Quantum ComputingTel Aviv, Israel$80.0M
Quantum Strategies21Quantum ComputingMontreal, Canada$1.0M- Quantum Kinetics19Quantum ComputingToronto, Canada
- KUKuano TechnologiesQuantum ComputingCambridge, United Kingdom$1.0M
IBM53SoftwareArmonk, United States$152.8M
NVIDIA Corp84Professional VisualizationSanta Clara, United States$4.1B
Nvidia82HardwareSanta Clara, United States$4.0B
eleQtron63Quantum ComputingSiegen, Germany$83.0M
Eridu60Artificial IntelligenceSaratoga, United States$200.0M
Majestic56AI InfrastructureLos Altos, United States$100.0M
Omni Design Technologies53AI HardwareSan Jose, United States$44.3M
Broadcom91SemiconductorsPalo Alto, United States$143.0B
Positron AI, .71AI ChipReno, United States$10.0M
Lightelligence70AI HardwareWaltham, United States$220.7M
Lightmatter69HardwareMountain View, United States$490.0M
Olix Computing68AI ChipLondon, UK$300.0M- SUSupermicro66HardwareSan Jose, United States$8.3B
Habana Labs64ComputingTel Aviv, Israel$120.0M
Neurophos63AI ChipSan Jose, United States$124.2M
Teramount63AI InfrastructureTel Aviv, Israel$113.0M
NeuroBlade63SemiconductorTel Aviv, Israel$110.5M
Expedera63AI HardwareSanta Clara, United States$38.0M
Normal Computing62Artificial IntelligenceNew York, United States$50.0M
Efficient Computer62SemiconductorsPalo Alto, United States$60.0M
Enlightra62AI HardwareSan Jose, United States$15.6M
Ventana Micro Systems61AI ChipCupertino, United States$70.4M
Cognichip61SemiconductorsRedwood City, United States$93.0M
Credo Weaver (OmniConnect)61AI HardwareSan Jose, United States$170.0M
Avicena60AI HardwarePalo Alto, United States$50.0M- RARanovus60AI HardwareOttawa, Canada$73.0M
BLAISE59InsuranceSan Jose, United States$146.0M
Cerebras Systems58AI ChipSunnyvale, United States$5.2B
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| QuantWare | Quantum Computing | Delft, Netherlands | $162.0M | 62 |
| FRFrostByte | Quantum Computing | Delft, Netherlands | — | 24 |
| PsiQuantum | Quantum Computing | Palo Alto, United States | $3.6B | 70 |
| Quantum Machines | Quantum Computing | Tel Aviv, Israel | $293.0M | 69 |
| Quantum Art | Quantum Computing | Tel Aviv, Israel | $141.1M | 62 |
| Pasqal | Quantum Computing | Palaiseau, France | $273.0M | 61 |
| IQIQM Quantum Computers | Quantum Computing | Espoo, Finland | $532.9M | 60 |
| IQM | Quantum Computing | Espoo, Finland | $516.0M | 58 |
| QEDMA | Quantum Computing | Tel Aviv, Israel | $40.7M | 57 |
| Infleqtion | Quantum Computing | London, United Kingdom | $405.0M | 54 |
| IQIQM Quantum | Quantum Computing | Espoo, Finland | $902.4M | 54 |
| D-Wave | Quantum Computing | Burnaby, Canada | $40.0M | 51 |
| Nord Quantique Inc. | Quantum Computing | Sherbrooke, Canada | $30.0M | 50 |
| ATAtlantic Quantum | Quantum Computing | Boston, United States | $12.0M | 49 |
| PhotonicsQ | Photonic | — | $1.0M | 46 |
| VAVacua | Quantum Computing | — | — | 37 |
| Quantinuum | Quantum Computing | Broomfield, United States | $1.2B | 66 |
| Quantum Source Labs | Quantum Computing | Palo Alto, United States | $78.5M | 61 |
| AetherFlux | Quantum Computing | Palo Alto, United States | $300.0M | 61 |
| Phasecraft | Quantum Computing | London, United Kingdom | $99.4M | 57 |
| Quantum Transistors | Quantum Computing | Palo Alto, United States | $34.0M | 47 |
| AI Quantum | Quantum Computing | Cambridge, United States | $1.0M | 32 |
| IonQ | Quantum Computing | College Park, United States | $35.0M | 27 |
| QUANTUMSOURCE LABS | Quantum Computing | Palo Alto, United States | — | 19 |
| Google | Internet | Mountain View, United States | $9.1B | 73 |
| Classiq | Quantum Computing | Tel Aviv, Israel | $194.5M | 67 |
| Multiverse Computing | AI Optimization | San Sebastián, Spain | $807.0M | 61 |
| Microsoft | Operating System | Redmond, United States | — | 43 |
| Q-Q-ANT | Quantum Computing | Tel Aviv, Israel | $80.0M | 42 |
| Quantum Strategies | Quantum Computing | Montreal, Canada | $1.0M | 21 |
| Quantum Computing | Toronto, Canada | — | 19 | |
| KUKuano Technologies | Quantum Computing | Cambridge, United Kingdom | $1.0M | — |
| IBM | Software | Armonk, United States | $152.8M | 53 |
| NVIDIA Corp | Professional Visualization | Santa Clara, United States | $4.1B | 84 |
| Nvidia | Hardware | Santa Clara, United States | $4.0B | 82 |
| eleQtron | Quantum Computing | Siegen, Germany | $83.0M | 63 |
| Eridu | Artificial Intelligence | Saratoga, United States | $200.0M | 60 |
| Majestic | AI Infrastructure | Los Altos, United States | $100.0M | 56 |
| Omni Design Technologies | AI Hardware | San Jose, United States | $44.3M | 53 |
| Broadcom | Semiconductors | Palo Alto, United States | $143.0B | 91 |
| Positron AI, . | AI Chip | Reno, United States | $10.0M | 71 |
| Lightelligence | AI Hardware | Waltham, United States | $220.7M | 70 |
| Lightmatter | Hardware | Mountain View, United States | $490.0M | 69 |
| Olix Computing | AI Chip | London, UK | $300.0M | 68 |
| SUSupermicro | Hardware | San Jose, United States | $8.3B | 66 |
| Habana Labs | Computing | Tel Aviv, Israel | $120.0M | 64 |
| Neurophos | AI Chip | San Jose, United States | $124.2M | 63 |
| Teramount | AI Infrastructure | Tel Aviv, Israel | $113.0M | 63 |
| NeuroBlade | Semiconductor | Tel Aviv, Israel | $110.5M | 63 |
| Expedera | AI Hardware | Santa Clara, United States | $38.0M | 63 |
| Normal Computing | Artificial Intelligence | New York, United States | $50.0M | 62 |
| Efficient Computer | Semiconductors | Palo Alto, United States | $60.0M | 62 |
| Enlightra | AI Hardware | San Jose, United States | $15.6M | 62 |
| Ventana Micro Systems | AI Chip | Cupertino, United States | $70.4M | 61 |
| Cognichip | Semiconductors | Redwood City, United States | $93.0M | 61 |
| Credo Weaver (OmniConnect) | AI Hardware | San Jose, United States | $170.0M | 61 |
| Avicena | AI Hardware | Palo Alto, United States | $50.0M | 60 |
| RARanovus | AI Hardware | Ottawa, Canada | $73.0M | 60 |
| BLAISE | Insurance | San Jose, United States | $146.0M | 59 |
| Cerebras Systems | AI Chip | Sunnyvale, United States | $5.2B | 58 |