Moonshot AI

Kimi K2.5

Generally availableOpen weights262K contextReasoning

Summary

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.

Kimi multimodal agent model for visual understanding, coding, and planning

Last verified 4 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperMoonshot AI
Release date30 Jan 2026 [models.dev]
StatusGenerally available [models.dev]
WeightsOpen weights [Hugging Face]
Licensemodified-mit [Hugging Face]
Parameters1T [Hugging Face]
Context window262K (262,000 tokens) [models.dev]
Max output262K tokens [models.dev]
Knowledge cutoffDec 2025 [models.dev]
InputText and images [models.dev]
OutputText [models.dev]
Reasoning modeYes [models.dev]
Tool callingYes [models.dev]
Structured outputYes [models.dev]
Hugging Facemoonshotai/Kimi-K2.5 [Hugging Face]

Kimi K2.5 API pricing by provider

USD per million tokens. Sorted by input price.

ProviderInputOutputCached inputContextSource
SiliconFlow
moonshotai/Kimi-K2.5
$0.45$2.25$0.07262Kmodels.dev, 4 Oct 2026
OpenRouter
moonshotai/kimi-k2.5
$0.45$2.25$0.07262KOpenRouter, 4 Oct 2026
Amazon Bedrock
moonshotai.kimi-k2.5
$0.60$3–262Kmodels.dev, 4 Oct 2026
Azure AI Foundry
kimi-k2.5
$0.60$3–262Kmodels.dev, 4 Oct 2026
Hugging Face Inference Providers
moonshotai/Kimi-K2.5
$0.60$3$0.10262Kmodels.dev, 4 Oct 2026
Novita AI
moonshotai/kimi-k2.5
$0.60$3$0.10262Kmodels.dev, 4 Oct 2026
Baseten
moonshotai/Kimi-K2.5
$0.60$3$0.12262Kmodels.dev, 4 Oct 2026
Vercel AI Gateway
moonshotai/kimi-k2.5
$0.60$3–256Kmodels.dev, 4 Oct 2026

Frequently asked questions

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.

Change history

No changes detected since we started tracking this model. We re-check every source daily.

Sources