The Agent That Rewrote Itself

Prime Intellect rewrote Prime Agent — their open-source coding agent harness, 300k downloads, 8 trillion tokens — from TypeScript to Rust using ~2,000 AI agents across 10,000+ sandboxes. The result is 13x faster startup, 5.7x less memory, and a nine-crate architecture with session isolation. A practical test of whether agent fleets can handle serious infrastructure work, not just toy tasks.

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