Model Library
KimiReleased January 27, 2026Kimi K2.5
Kimi · Released January 27, 2026
Intelligence score
38
At a glance
- Intelligence
- 38
- Speed
- 43.1tokens/sec
- Latency
- 3.00stime to first token
- Input price
- $0.60per 1M tokens
- Output price
- $3.00per 1M tokens
- Context window
- 260Ktokens
- Parameters
- 32billions
Summary
Comparison summary
Kimi K2.5 (Reasoning) scores 38 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other open weight models of similar size (median: 25). Kimi K2.5 (Reasoning) generates output at 43.1 tokens per second (based on Kimi's API), which is at the lower end compared to other open weight models of similar size (median: 61.7 t/s). Kimi K2.5 (Reasoning) costs $0.60 per 1M input tokens (somewhat higher than average, median: $0.59) and $3.00 per 1M output tokens (somewhat higher than average, median: $2.20), based on Kimi's API.
Specifications
Technical specifications
| Model name | Kimi K2.5 |
|---|---|
| Provider | Kimi |
| Release date | January 27, 2026 |
| Intelligence score | 38 |
| Speed | 43.1 tokens/sec |
| Latency (TTFT) | 3.00s |
| Input price | $0.60 / 1M tokens |
| Output price | $3.00 / 1M tokens |
| Context window | 260,000 tokens |
| Parameters | 32B |
| Reasoning | Yes |
| Input modalities | text, image, video |
| Output modalities | — |
| Open weights | Yes |
| License | Modified MIT License |
| API availability | — |
| Source | Model Intelligence legacy profile: kimi-k2-5 |
Pricing
Token prices
Price per 1M tokens
Kimi K2.5, as listed in the catalog record
- Input$0.60
- Output$3.00
| Token type | Price per 1M |
|---|---|
| Input | $0.60 |
| Output | $3.00 |
Model Intelligence legacy profile: kimi-k2-5
FAQ · 20
Frequently asked questions
Kimi K2.5 (Reasoning) was released on January 27, 2026.
Kimi K2.5 (Reasoning) was created by Kimi.
Kimi K2.5 (Reasoning) scores 38 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other open weight models of similar size (median: 25).
Kimi K2.5 (Reasoning) generates output at 43.1 tokens per second (based on Kimi's API), which is at the lower end compared to other open weight models of similar size (median: 61.7 t/s).
Kimi K2.5 (Reasoning) has a time to first token (TTFT) of 3.00s (based on Kimi's API), which is at the higher end compared to other open weight models of similar size (median: 2.01s).
Kimi K2.5 (Reasoning) costs $0.60 per 1M input tokens (somewhat higher than average, median: $0.59) and $3.00 per 1M output tokens (somewhat higher than average, median: $2.20), based on Kimi's API.
Kimi K2.5 (Reasoning) costs $0.60 per 1M input tokens and $3.00 per 1M output tokens (based on Kimi's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $0.49 per 1M tokens. Pricing may vary by provider.
Yes, Kimi K2.5 (Reasoning) is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.
Kimi K2.5 (Reasoning) supports text, image, and video input.
Kimi K2.5 (Reasoning) supports text output.
Yes, Kimi K2.5 (Reasoning) supports image input and can analyze, describe, and answer questions about images.
Yes, Kimi K2.5 (Reasoning) is multimodal. It can process text, image, and video input and generate text output.
Kimi K2.5 (Reasoning) has a context window of 260k tokens. This determines how much text and conversation history the model can process in a single request.
Yes, Kimi K2.5 (Reasoning) is open weights. The model weights are publicly available and can be downloaded for self-hosting.
Kimi K2.5 (Reasoning) has 1 trillion parameters (32 billion active).
Kimi K2.5 (Reasoning) is a Mixture of Experts (MoE) model with 1 trillion total parameters, but only 32 billion active parameters are used during inference.
Kimi K2.5 (Reasoning) is released under the Modified MIT License license. This license allows commercial use.
Kimi K2.5 (Reasoning) achieves a score of 38 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.
Yes, Kimi K2.5 (Reasoning) is available via API through 13 providers.
Kimi K2.5 (Reasoning) is available through 13 API providers.