Ex-Meta researcher joins Prime Intellect to build open-source frontier model INTELLECT-4
willcb · x · 2026-10-03
Researcher Xuan Phi Nguyen announced he left Meta SFResearch to join open-source AI company Prime Intellect, aiming to advance frontier open models so "everyone can own their superintelligence."
- Unusual openness: the team ships research as PRs daily to public repos (prime-rl, verifiers, prime-envs), building the entire stack in the open.
- Priority: contributing to INTELLECT-4, targeting the next scaling axis with frontier performance, built safely in secure sandboxes and behaving safely in the wild.
- He argues open models can be both useful and safe via open research, transparent development, and community efforts.
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