Diraq vs PsiQuantum
Diraq
Diraq aims to redefine scalable quantum computing and bring practical commercial applications to the world
52 employees · est. 2022 · Australia
PsiQuantum
Building the world’s first useful quantum computers
628 employees · est. 2015 · Palo Alto, United States
PsiQuantum is the older company (2022 vs 2015); PsiQuantum is the larger of the two.
Side-by-Side Comparison
| Metric | Diraq | PsiQuantum |
|---|---|---|
| Founded | ||
| Founded | 2022 | 2015 older |
| Headquarters | ||
| Headquarters | Australia | Palo Alto, United States |
| Employees | ||
| Employees | 52 | 628 larger |
| Industry | ||
| Industry | Hardware, IT, Quantum | Hardware, IT, Quantum |
| Funding Stage | ||
| Funding Stage | Series A | Series E |
| Total Funding | ||
| Total Funding | $70.50M | $2.98B |
| Funding Rounds | ||
| Funding Rounds | 3 | 9 |
| Services | ||
| Services | Development and commercialization of revolutionary quantum computing technology | Development of Utility-Scale Quantum Computers, Quantum Software Development, Quantum Circuit Design, Consulting for Industrial Quantum Applications |
| Target Customers | ||
| Target Customers | Tech companies, research institutions, government agencies, enterprises seeking advanced computing solutions | Quantum Algorithm Researchers, Healthcare and Oncology Researchers, Industrial and Technological Partners, Semiconductor Manufacturing Companies, Governmental Organizations |
| Taxonomy | ||
| Taxonomy | Quantum ComputingQuantum TechnologiesQuantum HardwareScalable Quantum ComputingCommercial ApplicationsEnd-to-End Quantum Computing Provider +9 | Quantum ComputingPhotonicsQuantum Error CorrectionSemiconductorsQuantum AlgorithmsQuantum Technology +9 |
| Website | ||
| Website | diraq.com | psiquantum.com |
About Diraq
Diraq is a quantum computing startup that aims to revolutionize scalable quantum computing and bring practical commercial applications to the world. The company's proprietary technology, backed by 20 years of research and over $135M in funding across 11 patent families, enables the scalability using...
About PsiQuantum
PsiQuantum, founded in 2015, stands at the forefront of revolutionary technological development, aiming to build the world’s first useful quantum computers. Their slogan, "Building the world’s first useful quantum computers," reflects their ambitious mission. Grounded in the belief that photonics is...
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Compiled from the BounceWatch company index. We last looked at Diraq on 1 Dec 2024, and PsiQuantum on 8 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.
