Kimi K3.1 Pro launches on Kimi API with full model weights to be released by Nov 4, 2026; Highspeed version priced higher and claims 2-3x speed
Read the original at simonwillison.net→Introducing Kimi K3.1 Pro Kimi K3.1 Pro landed on the Kimi API today - it's not yet open weights, but Moonshot promise "Full model weights will be released by Nov 4, 2026". They're also offering a "Highspeed"...
Original headline: "Introducing Kimi K3.1 Pro"
Coverage timeline
- Oct 22, 05:46 UTC r/LocalLLaMA [New Model] Sage-A1.5 released based on Qwen3.6-35B MoE with marketed benchmarks: "highly competitive performance against frontier-scale systems such as Kimi-K3, GLM-5.3, and GPT-5.6-sol"
- Oct 23, 17:03 UTC r/LocalLLaMA Kimi 3.1 and 2.8 preview
- Oct 23, 17:20 UTC r/LocalLLaMA Introducing Kimi K3.1 Pro: Advancing Open Intelligence
- Oct 23, 19:40 UTC Simon Willison lead source Introducing Kimi K3.1 Pro