Kimi
Moonshot AI's free assistant, known for very long context, web search and agentic coding.
- Starting price
- Free
- Free trial
- Free to use
- Output
- Long-context chat with web search, files and tool use
Overview
Kimi is Moonshot AI's general-purpose assistant, free to use on the web and mobile. It is built for long documents and research, with an ultra-long context window, built-in web search, file parsing and step-by-step reasoning, and it can act on tasks by running tools and code rather than only answering. Its flagship Kimi K3 model is released as open weights, and a separate Kimi Code command-line agent extends it into software engineering, reading and editing code and running shell commands in the terminal. Developers can call the same models through Moonshot's platform. Kimi comes from the Chinese AI lab Moonshot AI and is less established outside that market than the best-known Western assistants.
Best for working through very long documents and research in one pass.
Kimi stands out for handling very long inputs, so it suits reading large documents and doing research in one pass without losing the thread. It is free to use, its flagship model is open-weight, and the separate Kimi Code agent takes it into terminal-based coding. It is a newer name outside its home market, so its ecosystem and third-party integrations are still smaller.
Key Facts
| Category | |
|---|---|
| Starting price | Free API billed per token through Moonshot's platform. |
| Free trial | Free to use |
| Output | Long-context chat with web search, files and tool use |
| API | Yes |
Screenshots
Placeholders. They are replaced as soon as the vendor sends material, and both open the same short form.
Features
- Ecosystem
- Kimi model family and Kimi Code CLI; flagship model as open weights
- Live web search and sources
- Yes, built-in web search
- Files and long documents
- Yes, file parsing with an ultra-long context window
- Images, voice and video
- Yes, image and document input
- Coding help
- Yes, plus a Kimi Code command-line agent
- Model choice
- Yes on the platform: Kimi K3, Kimi K2.7 Code and Kimi K2.6, with thinking and non-thinking modes on K2.6 and a low, high or max reasoning effort on K3
- API
- Yes, through Moonshot's platform
Integrations
Integrations coming soon.
Deployment and Support
- Deployment
-
- Cloud (SaaS)
- Browser-based
- Onboarding
-
- Documentation and knowledge base
- Company size
-
- Freelancers
- Small and mid-sized
Suitability
| Industry | Freelancers | Small and mid-sized | Enterprise |
|---|---|---|---|
| Agencies | Not stated | Not stated | Not stated |
| Architecture & Engineering | Not stated | Not stated | Not stated |
| Consulting | Not stated | Not stated | Not stated |
| Media & Creative | Not stated | Not stated | Not stated |
| Technology | Stated as a fit | Stated as a fit | Not stated |
The table combines the industries the vendor addresses with the company sizes the tool is aimed at. An empty cell means the combination is not stated, not that it is ruled out.
Pros and Cons
Strengths
- Very long context for large documents
- Free to use, flagship model open-weight
- Kimi Code agent for terminal-based coding
Limitations
- Smaller ecosystem outside its home market
- Fewer third-party integrations than major assistants
Pricing
-
Free
$0
Web and mobile.
-
API (pay-as-you-go)
Not stated
Billed per token through Moonshot's platform.
Best For
Alternatives and Comparisons
What users say
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