# Kimi K2.5

Kimi K2.5 is a model from Moonshot with open weights, first recorded on 17 Sep 2026; its release date is not established. The context window is 256,000 tokens. The maximum output is 256,000 tokens. Pricing is $0.50 per million input tokens and $2.50 per million output tokens.

- Developer: Moonshot
- Id: moonshotai/kimi-k2.5
- Sighting: 2026-09-17T21:01:31.989Z
  - [evidence link](https://huggingface.co/moonshotai/Kimi-K2.5)
- Status: Released
- Weights version: 2026-01-01
  - [evidence link](https://huggingface.co/api/models/moonshotai/Kimi-K2.5/paths-info/4d01dfe0332d63057c186e0b262165819efb6611)
- Canonical: https://alexgetman.com/models/moonshot/kimi-k2-5-2/

## Questions

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

The context window is 256,000 tokens. The maximum output is 256,000 tokens.

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

Pricing is $0.50 per million input tokens and $2.50 per million output tokens. Cached input is $0.15 per million.

### Are the weights of Kimi K2.5 publicly available?

Yes. Moonshot publishes the weights.

### When was Kimi K2.5 released?

Its release date is not established. Signal Forge first recorded it on 17 Sep 2026.

## Evidence links

- [vertex-model-garden](https://console.cloud.google.com/vertex-ai/publishers/moonshotai/model-garden/kimi-k2-5)
- [hf-author-artifacts:moonshotai](https://huggingface.co/api/models/moonshotai/Kimi-K2.5/paths-info/4d01dfe0332d63057c186e0b262165819efb6611)
- [huggingface-router](https://huggingface.co/moonshotai/Kimi-K2.5)
- [openrouter](https://openrouter.ai/moonshotai/kimi-k2.5)

## Signals