Classiq vs Rigetti Computing
Classiq
Quantum computing software platform - compiler, IDE and OS
103 employees · est. 2020 · Israel
Rigetti Computing
We are scientists, engineers, builders, and visionaries
181 employees · est. 2013 · Berkeley, United States
Rigetti Computing is the older company (2020 vs 2013).
Side-by-Side Comparison
| Metric | Classiq | Rigetti Computing |
|---|---|---|
| Founded | ||
| Founded | 2020 | 2013 older |
| Headquarters | ||
| Headquarters | Israel | Berkeley, United States |
| Employees | ||
| Employees | 103 | 181 |
| Industry | ||
| Industry | IT, Information Technology, Quantum | AI, Big Data, Hardware |
| Funding Stage | ||
| Funding Stage | Not tracked yet | IPO |
| Total Funding | ||
| Total Funding | $201.75M | $775.53M |
| Funding Rounds | ||
| Funding Rounds | 8 | 18 |
| Services | ||
| Services | Design, optimization, and execution of quantum algorithms, Quantum circuit synthesis, Algorithm benchmarking and analysis, Quantum application development software | Quantum Processing Unit Manufacturing, Quantum Algorithm Development, Quantum Systems Deployment, Quantum Computing Platforms |
| Target Customers | ||
| Target Customers | Finance Industry, Chemical & Pharmaceutical Industries, Healthcare, Manufacturing, Logistics, Cybersecurity, Automotive Industry, Aerospace & Defense, Academic Researchers, Educational Institutions | Quantum Researchers, Technological Innovators, Academic Institutions, Industrial R&D Departments |
| Taxonomy | ||
| Taxonomy | Quantum ComputingQuantum SoftwareQuantum AlgorithmsIntegrated Development Environment (IDE)Quantum Circuit SynthesisQubit Optimization +9 | Quantum ComputingSuperconducting QubitsQuantum Processor ManufacturingFull-stack Quantum SolutionsQuantum Cloud ServicesIntegrated Quantum Devices +9 |
| Website | ||
| Website | classiq.io | rigetti.com |
About Classiq
Classiq, founded in 2020, is an innovative player in the IT, Information Technology, and Quantum sectors, headquartered in Israel. With its slogan, "Quantum computing software platform - compiler, IDE and OS," Classiq is pushing boundaries by integrating deep quantum expertise with traditional semic...
About Rigetti Computing
Rigetti Computing, founded in 2013 and headquartered in the United States, is leading the quantum computing revolution as a pioneer in full-stack quantum solutions. The company is recognized for its innovative approach utilizing superconducting qubits, known for high maturity and fast gate speeds, a...
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Compiled from the BounceWatch company index. We last looked at Classiq on 14 Nov 2025, and Rigetti Computing on 16 Apr 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
