Moonshot Releases Kimi K3.1 Pro, Says It Cut Hacking Data
Summary
Moonshot releases Kimi K3.1 Pro, an upgrade to its open-weight Kimi K3, with full weights due by 4 November. Moonshot says the model scored 65.7% on Terminal-Bench 4.0, just behind Claude Opus 5.5 at 66.4%, and that it stripped cyberattack training data before the open release.
Key Points
- Moonshot says its Highspeed version runs two to three times faster than K3.1 Pro.
- Moonshot says the released model solves 81% of real software flaw exploits, versus 33.3% for K3.
- Moonshot says false claims on its own stress test fell to 8.3% from 23.4% for K3.