Open-weights Kimi K3.1 Pro tops Terminal-Bench 4.0 at 67.2%, beating Claude and GPT

Ok_Warning2146 · reddit · 2026-10-25

A Reddit post highlights the Artificial Analysis Terminal-Bench 4.0 leaderboard: open-weights Kimi K3.1 Pro takes #1 at 67.2%, ahead of Claude Sonnet 5.5 (max with fallback) at 63.6% and GPT-6 Astra (xhigh) at 59.6%. The poster calls it the moment open-weight models finally catch up to SOTA.

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