We build processors for artificial intelligence that are inspired by the brain.
Location: United States, California, San Francisco
Employees: 11-50
Phone: +1 650-215-6764
Total raised: $33.1M
Founded date: 2017
Investors 6
| Date | Name | Website |
| - | FundersClu... | fundersclu... |
| - | FoundersX ... | foundersx.... |
| 20.06.2021 | Open Field... | ofcap.com |
| - | Cathexis V... | cathexis.v... |
| 12.06.2020 | Catapult V... | catapultvc... |
| - | Tanuki.vc | tanuki.vc |
Funding Rounds 2
| Date | Series | Amount | Investors |
| 27.05.2024 | Series A | $8.1M | - |
| 02.02.2022 | Series A | $25M | - |
Mentions in press and media 7
| Date | Title | Description |
| 19.06.2025 | Intel's Bold Moves: A New Era Under CEO Lip-Bu Tan | Intel is at a crossroads. The chip giant, once a titan of the tech world, faces fierce competition and internal challenges. Under the leadership of CEO Lip-Bu Tan, the company is making bold moves to reclaim its position. Recent appointment... |
| 18.06.2025 | Intel appoints engineering hires as part of CEO Tan's turnaround strategy | Intel appoints engineering hires as part of CEO Tan's turnaround strategy By ReutersJune 18, 20255:22 PM UTCUpdated ago Text Small Text Medium Text Large Text Share X Facebook Linkedin Email Link Item 1 of 2 A smartphone with a displayed In... |
| 27.05.2024 | Rain AI Raises $8.1M in Series A Extension | Rain AI, a San Francisco, California-based AI chip startup, raised $8.1m in Series A Extension round. Epic Venture Partners made the investment. Led by CEO William Passo, Rain AI creates energy-efficient AI hardware using in-memory compute ... |
| 04.12.2023 | OpenAI is paying out $51 million to a chip startup that Sam Altman personally invested in, report says | OpenAI CEO Sam Altman reportedly invested $1 million in Rain AI OLIVIER DOULIERY/ Getty Redeem now OpenAI agreed to pay startup company Rain AI $51 million for when its chips are released, per Wired. OpenAI chief Sam Altman reportedly inves... |
| 19.02.2023 | ChatGPT creator Sam Altman has invested in dozens of companies over the years, from Elon Musk's Neuralink to Reddit | Sam Altman, CEO of OpenAI, has invested in scores of companies over the years. Kevin Dietsch/Getty Images OpenAI CEO Sam Altman has invested in lots of tech and energy companies. He was the lead investor in rounds for companies like Reddit,... |
| - | Sam Altman-backed chipmaking startup Rain AI explores sale after $150M fundraising flops: sources | An upstart chipmaker backed by Sam Altman is exploring a sale after plans to raise $150 million from private investors fell through – and OpenAI is among the suitors, The Post has learned. Rain AI — a San Francisco-based startup that says i... |
| - | Rain Neuromorphics | “We are building the compute platform that will power the future of AI infrastructure and redefine the cost of compute.” |