Major Release Kimi · Released
Kimi K2.5
What is Kimi K2.5?
Kimi K2.5 is a Major Release AI model from Kimi, released on January 27, 2026. It has a 256K tokens context window, costs $0.54 per million input tokens, and scores 1449 on Chatbot Arena Elo. It is available as open source.
Kimi Kimi K2.5 — AA Intelligence Index 46.8, 256K tokens context, reasoning model.
How much does Kimi K2.5 cost?
| Metric | Price |
|---|---|
| input per mtok | $0.54 |
| output per mtok | $2.92 |
| cache read per mtok | $0.35 |
Pricing data verified .
What context window does Kimi K2.5 have?
- Context window
- 256K tokens
- Max output
- 256K
- Input modalities
- text, image, video
- Output modalities
- text
How does Kimi K2.5 score on benchmarks?
| Benchmark | Score |
|---|---|
| GPQA Diamond | 87.9% |
| HLE | 29.4% |
| SciCode | 49.0% |
| TAU2-bench | 95.9% |
| TerminalBench-Hard | 34.8% |
| IF-Bench | 70.2% |
| LiveCodeBench Reasoning | 65.3% |
| AA Intelligence Index | 46.8 |
| Chatbot Arena Elo | 1449 |
Benchmark scores verified .