Kimi K3.1 Pro open weights due Nov 4; claimed to beat Opus 5.5 on 9/14 benchmarks
haider1 · x · 2026-10-24
haider reports Kimi K3.1 Pro weights are coming November 4. Cited scores: K3.1 Pro beats Opus 5.5 on 9/14 benchmarks and GPT-6 Astra on 10/14, scoring 51.7 on SWE Marathon vs 46.3 (Opus) and 42.5 (Astra). He suspects real-world performance lands closer to Fable 5/5.1 than Opus 5.5, pending independent verification, but we're likely getting an open-weight model in the Fable 5 class.
Related event: Moonshot Releases Kimi K3.1 Pro, Open-Weight Model Rivaling GPT-6(33 posts)→
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