--- title: "Kimi-K2 vs open-webui" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/moonshotai-kimi-k2-vs-open-webui-open-webui" tools: ["moonshotai-kimi-k2", "open-webui-open-webui"] --- # Kimi-K2 vs open-webui *GraphCanon updated Jul 12, 2026* ## Verdict Pick Kimi-K2 if kimi K2, developed by Moonshot AI team, brings a large language model series providing an API compatible with OpenAI and Anthropic interfaces; pick open-webui if suitable for developers working with large language models who require a user-friendly interface and support for multiple APIs including Ollama and OpenAI. [Kimi-K2](https://github.com/MoonshotAI/Kimi-K2) reports 11k GitHub stars, 865 forks, and 70 open issues, last pushed Jan 21, 2026. [open-webui](https://openwebui.com) has 145k stars, 21k forks, and 391 open issues, last pushed Jul 10, 2026. Figures are from public GitHub metadata via [Kimi-K2's repository](https://github.com/MoonshotAI/Kimi-K2) and [open-webui's repository](https://github.com/open-webui/open-webui). | | [Kimi-K2](/tools/moonshotai-kimi-k2.md) | [open-webui](/tools/open-webui-open-webui.md) | | --- | --- | --- | | Tagline | Large language model series developed by Moonshot AI team | User-friendly AI Interface (Supports Ollama, OpenAI API, ...) | | Stars | 10,896 | 145,029 | | Forks | 865 | 21,005 | | Open issues | 70 | 391 | | Language | - | Python | | Adopt for | Kimi K2, developed by Moonshot AI team, brings a large language model series providing an API compatible with OpenAI and Anthropic interfaces. | Suitable for developers working with large language models who require a user-friendly interface and support for multiple APIs including Ollama and OpenAI. | | Persona | - | - | | Runtime | - | - | | License | The code and model weights of Kimi K2 are released under a Modified MIT License. | Other | | Categories | Inference & Serving, LLM Frameworks | Inference & Serving, LLM Frameworks | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [Kimi-K2](/tools/moonshotai-kimi-k2.md) | [open-webui](/tools/open-webui-open-webui.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Very active (96%) | | Days since push | 172d | 0d | | Open issues (now) | 70 | 391 | | Security scan | No lockfile | No MCP manifest | | Full report | [trust report](/tools/moonshotai-kimi-k2/trust.md) | [trust report](/tools/open-webui-open-webui/trust.md) | ## Decision facts: Kimi-K2 - **Pricing:** unknown - N/A - **Requirements:** Model deployment examples are available for vLLM and SGLang, aiding in setup and integration. - **Adopt for:** Kimi K2, developed by Moonshot AI team, brings a large language model series providing an API compatible with OpenAI and Anthropic interfaces. - **License detail:** The code and model weights of Kimi K2 are released under a Modified MIT License. ## Decision facts: open-webui - **Adopt for:** Suitable for developers working with large language models who require a user-friendly interface and support for multiple APIs including Ollama and OpenAI. ## Choose when ### Choose Kimi-K2 if… - Pricing: N/A. - Requirements: Model deployment examples are available for vLLM and SGLang, aiding in setup and integration.. - Tags unique to Kimi-K2: anthropic-compatibility, api accessible, ktransformers, moonshot ai. - - When looking to deploy models on specific inference engines like vLLM or SGLang which are well-supported for Kimi K2. ### Choose open-webui if… - Tags unique to open-webui: ai, llm, openai, self-hosted. - When you need to integrate multiple AI services, such as Ollama and OpenAI, into a unified user interface. - More GitHub stars (145k vs 11k) - visibility, not fit. ## When NOT to use Kimi-K2 - - Avoid using it if your application strictly requires a different model format that isn't supported by Kimi K2 (currently block-fp8). - - Do not use this tool if you are dependent on running inference outside of the recommended engines, as compatibility and performance may be compromised without specific support. ## When NOT to use open-webui - When looking for tooling that exclusively supports APIs other than Ollama and OpenAI, as these are specific areas of focus for open-webui. - If the requirement is a highly specialized interface tailored to specific tasks rather than a general AI interaction platform. ## Common questions ### What is the difference between Kimi-K2 and open-webui? Kimi-K2: Large language model series developed by Moonshot AI team. open-webui: User-friendly AI Interface (Supports Ollama, OpenAI API, ...). See the comparison table for live GitHub stats and shared categories. ### When should I choose Kimi-K2 over open-webui? Choose Kimi-K2 over open-webui when Pricing: N/A; Requirements: Model deployment examples are available for vLLM and SGLang, aiding in setup and integration.; Tags unique to Kimi-K2: anthropic-compatibility, api accessible, ktransformers, moonshot ai; - When looking to deploy models on specific inference engines like vLLM or SGLang which are well-supported for Kimi K2. ### When should I choose open-webui over Kimi-K2? Choose open-webui over Kimi-K2 when Tags unique to open-webui: ai, llm, openai, self-hosted; When you need to integrate multiple AI services, such as Ollama and OpenAI, into a unified user interface; More GitHub stars (145k vs 11k) - visibility, not fit. ### When should I avoid Kimi-K2? - Avoid using it if your application strictly requires a different model format that isn't supported by Kimi K2 (currently block-fp8). - Do not use this tool if you are dependent on running inference outside of the recommended engines, as compatibility and performance may be compromised without specific support. ### When should I avoid open-webui? When looking for tooling that exclusively supports APIs other than Ollama and OpenAI, as these are specific areas of focus for open-webui. If the requirement is a highly specialized interface tailored to specific tasks rather than a general AI interaction platform. ### Is Kimi-K2 or open-webui more popular on GitHub? open-webui has more GitHub stars (145,029 vs 10,896). Stars measure visibility, not whether either tool fits your constraints. ### Are Kimi-K2 and open-webui open source? Yes - both are open-source projects on GitHub (Kimi-K2: Other, open-webui: Other). ### Where can I find alternatives to Kimi-K2 or open-webui? GraphCanon lists graph-backed alternatives at [Kimi-K2 alternatives](/tools/moonshotai-kimi-k2/alternatives) and [open-webui alternatives](/tools/open-webui-open-webui/alternatives) ([Kimi-K2 markdown twin](/tools/moonshotai-kimi-k2/alternatives.md), [open-webui markdown twin](/tools/open-webui-open-webui/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/moonshotai-kimi-k2-vs-open-webui-open-webui.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, Kimi-K2 or open-webui? Kimi-K2: Slowing. open-webui: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for Kimi-K2 and open-webui? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [Kimi-K2 trust report](/tools/moonshotai-kimi-k2/trust); [open-webui trust report](/tools/open-webui-open-webui/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=moonshotai-kimi-k2`](/api/graphcanon/graph?tool=moonshotai-kimi-k2) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_