01
Prime Intellect
the open-source backbone of the category
- Domains
- Code · Math · Science · Reasoning
- Founded
- Est. 2024
- HQ
- San Francisco, USA
- Funding
- ~$70M (Series B, Jan 2026)
- Openness
- Open-source
§ Positioning
An open superintelligence stack: distributed compute, the PRIME-RL training framework, verifiers, and a public Environments Hub positioned as a Hugging Face for RL environments.
Best for · Teams that want open, reusable environments and tooling.
Team · Founded by Vincent Weisser and Johannes Hagemann; backed by Founders Fund, Menlo Ventures, and Andrej Karpathy.
Focus · Open Environments Hub, the PRIME-RL training framework, and verifiers — plus training and open-sourcing its own RL models.
Notable customers · Open-source community
Score breakdown
§ Rubric applied
Growth & momentum · weight 50%9.0 / 10
Traction & credibility · weight 35%8.0 / 10
Accessibility · weight 15%10.0 / 10