Originally published on rohitraj.tech
Prime Intellect open-sourced Prime Agent on August 5, 2026 and it hit #1 on GitHub trending with +2,483 stars in 24 hours. It scores 95.5% on ARC-AGI-3 with Opus 5 — above the 95.4% human expert baseline. Here's what a Recursive Language Model actually is, the code that makes it different, and the line in the README that should stop you shipping it to production this week.
Read the full version with code samples, diagrams, and architecture details: Prime Agent: The RLM + Continual Harness Guide (And When to Skip It) — 2026
More engineering notes: rohitraj.tech/en/notes
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