# Moonshot AI releases Kimi K3.1 Pro, ranking fourth on the Artificial Analysis Intelligence Index

> Original title: Chinese AI model Kimi K3.1 Pro is closing in on Anthropic's Claude Opus 5.5

- Source: The Decoder
- Published: 2026-10-23T19:00:07.000Z
- Bad Influence: https://badinfluence.news/items/hu8x6li6yv059e55fkc9pwt1y
- Original: https://the-decoder.com/chinese-ai-model-kimi-k3-1-pro-is-closing-in-on-anthropics-claude-opus-5-5/

## Summary

Moonshot AI has released Kimi K3.1 Pro, which scores 55 on the Artificial Analysis Intelligence Index, placing fourth behind Claude Opus 5.5, Claude Sonnet 5.5, and Muse Wonder Full. Input prices fell 33 percent to $2 per million tokens, and a faster Highspeed variant is also available. Moonshot says the open-weights release is planned for November 4, 2026.