Rain AI
Rain AI is an artificial intelligence company in San Francisco, United States, founded in 2017. It has raised $50.0M across 2 rounds, most recently a $25.0M Series A in February 2026.
Redefining the limits of AI compute.
- Headquarters
- San Francisco
- Employees
- 11–50
- Founded
- 2017
- Business Model
- B2B
- Website
- rain.ai
- Total Funding
- $50.0M
- Last Round
- $25.0M Series AFeb 2026
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 5 investors for this company. The full record is or through the API.
About
Rain AI develops AI accelerators and offers intellectual property licensing for its digital in-memory compute tile and software stack across compute use cases. Its IP targets on-device AI workloads requiring ultra-low latency and high energy efficiency. Rain AI also offers custom development, with IP for custom SoCs available and hardware described as forthcoming.
Summary
It lists 11–50 employees. It has raised $50.0M in total across 2 rounds, most recently a $25.0M Series A round in Feb 2026. Investors include Prosperity7, Sam Altman and Aramco Ventures.
Tech & App Stack
5 technologies & apps tracked
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Funding History
Feb 2026
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Funding: Seed through Series A. Amounts, valuations, and investors where available.
Investors
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