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The best One API alternatives

8 tools that do a similar job to One API, 8 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.

You're replacing

One API

Self-hosted gateway that exposes many LLM providers through one OpenAI-style API with key management.

  1. 1

    LibreChat

    Open source · MIT · ★ 46.6k

    Self-hosted, open-source chat interface for many AI models, with agents, tools, and multi-user login.

    Best for: Teams that want one shared chat interface across several AI providers; People who want to self-host a ChatGPT-style interface and keep their data on their own server

    Full review One API vs LibreChat
  2. 2

    OpenHands

    Open source · MIT · ★ 92.5k

    A self-hosted control panel that runs AI coding agents on your machine, in Docker, or in the cloud.

    Best for: Developers who want coding agents running on a server while their laptop is off; Teams that want a shared agent server for tasks like code review or dependency updates

    Full review One API vs OpenHands
  3. 3

    FlareSolverr

    Open source · MIT · ★ 16.1k

    A local proxy server that opens a real browser to get past Cloudflare checks for your requests.

    Best for: Developers whose scripts are blocked by Cloudflare challenges on pages they are allowed to access; People running self-hosted tools that need to fetch Cloudflare-protected pages through a local REST endpoint

    Full review One API vs FlareSolverr
  4. 4

    LlamaGPT

    Open source · MIT · ★ 10.9k

    A self-hosted chatbot that runs Llama 2 models locally, so your chats stay on your machine.

    Best for: People who want a private chatbot and don't want to send prompts to a cloud provider; Users with a home server running umbrelOS who want a one-click install

    Full review
  5. 5

    draw-a-ui

    Open source · MIT · ★ 13.6k

    Draw a rough wireframe in a canvas and get HTML/Tailwind code generated from it by GPT-4 Vision.

    Best for: Developers exploring how vision models can turn sketches into HTML; Designers who want a quick rough draft of a page layout as code

    Full review One API vs draw-a-ui
  6. 6

    CLIProxyAPI

    Open source · MIT · ★ 57.3k

    A local proxy server that exposes CLI and web AI accounts as OpenAI, Gemini, or Claude compatible APIs.

    Best for: Developers who already use OpenAI- or Claude-compatible tools and want to route them to other providers; People who hold several CLI accounts and want one local endpoint for them

    Full review One API vs CLIProxyAPI
  7. 7

    DeepWiki

    Open source · MIT · ★ 18.3k

    Generates interactive wiki-style docs for GitHub, GitLab, or Bitbucket repos using AI.

    Best for: Developers trying to understand a large or unfamiliar codebase; Students exploring how an open-source project is organized

    Full review
  8. 8

    OpenWhispr

    Open source · MIT · ★ 10.5k

    Desktop app that turns your speech into text at the cursor, with local or cloud models.

    Best for: People who want dictation in any app without sending audio to a cloud service; Users who want to bring their own OpenAI, Anthropic, Gemini, or Groq API keys

    Full review

How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to One API. We don't take payment for placement.