# Kimi K2.5

> Kimi K2.5 is an open-weight language model from Moonshot AI, released on 30 Jan 2026. It accepts text and images and generates text, with a 262K-token context window and up to 262K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.45 per million input tokens and $2.25 per million output tokens (SiliconFlow), across 8 providers we track.

Source page: https://www.aimodel.directory/models/kimi-k2-5
Last verified: 4 Oct 2026

## Specifications

- **Developer:** Moonshot AI
- **Release date:** 30 Jan 2026 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K2.5.toml)
- **Status:** Generally available (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K2.5.toml)
- **Weights:** Open weights (source: Hugging Face, https://huggingface.co/moonshotai/Kimi-K2.5)
- **License:** modified-mit (source: Hugging Face, https://huggingface.co/moonshotai/Kimi-K2.5)
- **Parameters:** 1T (source: Hugging Face, https://huggingface.co/moonshotai/Kimi-K2.5)
- **Context window:** 262K (262,000 tokens) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K2.5.toml)
- **Max output:** 262K tokens (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K2.5.toml)
- **Knowledge cutoff:** Dec 2025 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K2.5.toml)
- **Input:** Text and images (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K2.5.toml)
- **Output:** Text (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K2.5.toml)
- **Reasoning mode:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K2.5.toml)
- **Tool calling:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K2.5.toml)
- **Structured output:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/baseten/models/moonshotai/Kimi-K2.5.toml)
- **Hugging Face:** moonshotai/Kimi-K2.5 (source: Hugging Face, https://huggingface.co/moonshotai/Kimi-K2.5)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| SiliconFlow | $0.45 | $2.25 | $0.07 | 262K |
| OpenRouter | $0.45 | $2.25 | $0.07 | 262K |
| Amazon Bedrock | $0.60 | $3 | – | 262K |
| Azure AI Foundry | $0.60 | $3 | – | 262K |
| Hugging Face Inference Providers | $0.60 | $3 | $0.10 | 262K |
| Novita AI | $0.60 | $3 | $0.10 | 262K |
| Baseten | $0.60 | $3 | $0.12 | 262K |
| Vercel AI Gateway | $0.60 | $3 | – | 256K |

## FAQ

### What is the context window of Kimi K2.5?

Kimi K2.5 has a context window of 262,000 tokens (262K) and can generate up to 262,000 tokens in a single response, according to models.dev.

### How much does the Kimi K2.5 API cost?

Kimi K2.5 is listed from $0.45 per million input tokens and $2.25 per million output tokens (SiliconFlow). Prices last verified 4 Oct 2026.

### Is Kimi K2.5 open source?

Kimi K2.5 is an open-weight model: its weights are published on Hugging Face as moonshotai/Kimi-K2.5 under the modified-mit license. Check the license terms before commercial use.

### When was Kimi K2.5 released?

Moonshot AI released Kimi K2.5 on 30 Jan 2026, according to models.dev.

### Which providers offer Kimi K2.5?

We track Kimi K2.5 on 8 providers: SiliconFlow, OpenRouter, Amazon Bedrock, Azure AI Foundry, Hugging Face Inference Providers, Novita AI, Baseten, Vercel AI Gateway.

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Data licensed CC BY 4.0. Cite as: AI Model Directory, "Kimi K2.5", https://www.aimodel.directory/models/kimi-k2-5