Positron, founded in 2023 and based in Reno, Nevada, builds Atlas inference systems and Asimov, its AI inference chip platform. It raised an $875 million Series C at a $5 billion valuation in September 2026, seven months after a $230 million Series B.
At a glance
| Price from | Not public |
| Best for | Data centres cutting the power cost of AI inference |
From Positron AI's own website.
What stands out
- Rapid growth in funding and valuation
- Built around performance per watt
Worth knowing
- Young company
- Price not published
How it ranks
Positron AI is ranked 4th of 10 in Best AI Chip Startups (Lister Score 93.1).
#4 in Best AI Chip Startups · Lister Score 93.1
Reuters reported Positron's $875 million Series C at a $5 billion valuation in September 2026..
| Rank | Best AI Chip Startups | Score |
|---|---|---|
| 1 | SambaNova Systems | 96.8 |
| 2 | Etched | 95.6 |
| 3 | Tenstorrent | 94.4 |
| 4 | Positron AI | 93.1 |
| 5 | MatX | 91.9 |
| 6 | Rebellions | 90.6 |
| 7 | Lightmatter | 89.3 |
| 8 | d-Matrix | 88.0 |
| 9 | FuriosaAI | 86.7 |
| 10 | Axelera AI | 85.4 |
Frequently asked questions
How does Positron AI rank on Lister?
Positron AI is ranked 4th of 10 in Best AI Chip Startups (Lister Score 93.1).
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