Kimi Models by Moonshot AI
Last refreshed 2026-08-24. Next refresh: weekly.
Details
Capabilities
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WebsiteAbout
Kimi, created by Moonshot AI, is a pioneering family of large language models renowned for their ability to process extraordinarily long contexts. Initially supporting up to 200,000 Chinese characters (roughly 400 million tokens) 410, its capacity has soared to an impressive 2 million Chinese characters 346, outstripping many leading models like GPT-4's 128,000 tokens 4. This extensive context capability enables Kimi to efficiently summarize long documents, analyze intricate research papers, and carry out complex dialogues. Although primarily designed for the Chinese language, Kimi offers support for several other languages 1410, making it adaptable for applications ranging from scholarly research to software engineering 410. Its continuous evolution is a testament to the swift progress in AI technology 8.
Decision facts
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
Use when the workload needs 1.05m context, reasoning, and JSON / Tool use.
Use when the workload needs code, 256k context, and JSON / Tool use.
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Kimi K3 | Use when the workload needs 1.05m context, reasoning, and JSON / Tool use. | 2026-07 | 1.05m contextreasoningJSON / Tool use | Current |
| Kimi K2.5 | Use when the workload needs code, 256k context, and JSON / Tool use. | 2026-03 | code256k contextJSON / Tool use | Current |
Release Timeline
2 release groupsSpecifications(2 models)
Available From(11 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Kimi K2.5 | OpenRouter | $0.44 | $2 | Serverless |
| Kimi K2.5 | Together AI | $0.5 | $2.8 | Serverless |
| Kimi K2.5 | Fireworks AI | $0.6 | $3 | Serverless |
| Kimi K2.5 | AWS Bedrock | $0.6 | $3 | Serverless |
| Kimi K2.5 | Replicate API | $0.6 | $3 | Serverless |
| Kimi K2.5 | Vercel AI Gateway | $0.6 | $3 | Serverless |
| Kimi K2.5 | Novita AI | $0.6 | $3 | Serverless |
| Kimi K3 | Moonshot AI Kimi | $3 | $15 | Serverless |
