# Nathan Lambert says Kimi K3.1 Pro's RL gains show China keeping pace

> Original title: TLDR on the kimi k3.1 pro benchmarks is that it looks like they figured out their RL, where the initial release was a very impressive bas...

- Source: Nathan Lambert
- Published: 2026-10-23T17:24:32.000Z
- Bad Influence: https://badinfluence.news/items/je475xtbz1v35urpaaouzbofu
- Original: https://x.com/natolambert/status/2113683001519284270

## Summary

Nathan Lambert says Kimi K3.1 Pro's benchmarks suggest Moonshot AI has improved its reinforcement learning, after an initial release with a strong base model and lighter post-training. He says China is keeping pace with capability gains.

## Post

TLDR on the kimi k3.1 pro benchmarks is that it looks like they figured out their RL, where the initial release was a very impressive base model with lighter post-training. China is very much keeping pace with capability gains.