

Kimi K3.1
#150 in Frontier-SpraakmodelleMoonshot AI · siet 2026-10-23 · 2× · tolest 25. Okt. 2026
13
Momentum
Kimi K3.1 Pro is the first model in Moonshot AI's new K3.1 series and, according to the company, its most capable 3T-class open-weight model to date, with a 1-million-token context window. It is a post-trained version of Kimi K3 (about 2.8 trillion total parameters, about 104 billion active). Full weights were announced for release by November 4, 2026 but were not yet published at the time of research; no license has been announced. A faster variant, Kimi K3.1 Pro Highspeed, is also available.
Momentum-Verloop
28.07.26.10.
Features
| Key Benchmark (%) | Terminal-Bench 4.0: 65.7% (vendor-reported, not independently verified; Claude Opus 5.5: 66.4%) |
| Context Window (Tokens) | 1,000,000 tokens (1M) |
| Multimodality | Input: text and image (output: text) |
| Platform | Kimi.ai, Kimi apps (iOS, Android, HarmonyOS), Kimi Work, Kimi Code, Kimi API (kimi-k3.1-pro) |
| Price per 1M Tokens | Input $2.00 / Output $10.00 / Cache hit $0.20 (Highspeed: $4.00 / $20.00) |
| Release Date | October 23, 2026 (live on API/Kimi.ai; open weights announced by Nov 4, 2026) |