Kimi Models by Moonshot AI
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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.
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 tool use.
Use when the workload needs code, 256k context, and function calling.
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Kimi K3 | Use when the workload needs 1.05m context, reasoning, and tool use. | 2026-07 | 1.05m contextreasoningtool use | Current |
| Kimi K2.5 | Use when the workload needs code, 256k context, and function calling. | 2026-03 | code256k contextfunction calling | 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 |
Popular comparisons in this family
Frequently Asked Questions
- What is Kimi used for?
- Kimi is used for code, vision and multimodal work, and reasoning. The family description and listed model capabilities point to those workloads as the best fit.
- How does Kimi compare to Kimi K2?
- Kimi by Moonshot AI is strongest where you need code, while Kimi K2 by Moonshot AI is the closest related family to check for code. Kimi has 2 listed variants and reaches up to 1.05m context, while Kimi K2 reaches up to 262k context, so compare the specs and pricing tables before choosing a production model.
