M
Kimi K2.5
Open Sourceby moonshotai 路 Released 2026-01-27
40.9
avg score
$0.42/1M
Input Price
$2.20/1M
Output Price
262K tokens (~131 books)
Context Window
multimodal
Type
Tested on 13 benchmarks with 40.9% average. Top scores: OTIS Mock AIME 2024-2025 (92.2%), Fiction.LiveBench (86.1%), GPQA diamond (83.5%).
Benchmark Scores
| Benchmark | Category | Score | Bar |
|---|---|---|---|
| OTIS Mock AIME 2024-2025 | math | 92.2 | |
| Fiction.LiveBench | knowledge | 86.1 | |
| GPQA diamond | knowledge | 83.5 | |
| OSWorld | agentic | 63.3 | |
| WeirdML | coding | 45.6 | |
| SimpleBench | reasoning | 36.2 | |
| SimpleQA Verified | knowledge | 33.9 | |
| FrontierMath-2025-02-28-Private | math | 27.9 | |
| HLE | knowledge | 20.6 | |
| APEX-Agents | agentic | 14.4 | |
| Chess Puzzles | knowledge | 12.0 | |
| ARC-AGI-2 | reasoning | 11.8 | |
| FrontierMath-Tier-4-2025-07-01-Private | math | 4.2 |