Zyphra
Zyphra is an artificial intelligence company in San Francisco, United States. It has raised $500.0M across 2 rounds, most recently a $500.0M Series B in May 2026.
Building the full-stack for open superintelligence
- Headquarters
- San Francisco, California
- Employees
- 11–50
- Business Model
- B2B
- Website
- zyphra.com
- Total Funding
- $500.0M
- Last Round
- $500.0M Series BMay 2026
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 2 investors for this company. The full record is or through the API.
About
Zyphra is a full-stack AGI company based in San Francisco, California, building open superintelligence inspired by neuroscience. The company develops open foundation models based on novel architectures trained on heterogeneous compute, with a focus on intelligence efficiency and silicon performance. Zyphra operates two primary divisions: Zyphra Research, an advanced research lab that advances the frontier of intelligence and publishes open model architectures; and Zyphra Cloud, a full-stack platform delivering AI innovations to developers, enterprises, and frontier AI hyperscalers. The company enables organizations to maintain sovereign control over their AI with transparency, safety, and alignment as core principles.
Summary
It lists 11–50 employees. It has raised $500.0M in total across 2 rounds, most recently a $500.0M Series B round in May 2026. Investors include AMD Ventures and IBM Ventures.
Tech & App Stack
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Funding History
May 2026
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Funding: Series A through Series B. Amounts, valuations, and investors where available.
Investors
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