# Introducing Kimi K3.1 Pro

- Source: Simon Willison (LLMs)
- Published: 2026-10-23T19:40:54+00:00
- Category: Tech
- Original: https://simonwillison.net/2026/Oct/23/kimi-k31-pro/
- Canonical: https://groundlevelnews.com/story/introducing-kimi-k3-1-pro-2e7126/

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" version that's 2-3x faster, at twice the price (except for input token cache hits, which are priced the same). The US dollar pricing is $2.00/million tokens for input and $10/million for outp

_Ground Level News shows a short summary only; the full article and all rights belong to Simon Willison (LLMs)._