LaunchAI ModelsOctober 23, 2026

Moonshot AI releases Kimi K3.1 Pro, a 2.8T-param open-weight model

Read original source →marktechpost.com

Kimi K3.1 Pro is a 2.8T total / 104B active MoE with a 1M-token context, available now via the Kimi API with open weights expected in November 2026. Moonshot reports 65.7% on Terminal-Bench 4.0, just behind Claude Opus 5.5 at 66.4%, and 51.7 on SWE-Marathon versus 46.3 for Opus 5.5.

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