Alternatives to OpenRouter

A unified API and chat interface that routes requests to hundreds of AI models across many providers. The listings below can replace it for an important use case. Each note says what changes if you switch.

  • OpenRouter

    A unified API and chat interface that routes requests to hundreds of AI models across many providers.

    PaidProprietaryWeb

Replacements

Listings that take over the same core job as OpenRouter.

  • LiteLLM

    A self-hosted AI gateway that calls over 100 LLM providers through one OpenAI-compatible API.

    FreeOpen sourceSelf-hosted

    LiteLLM gives one OpenAI-style API for over 100 providers as a self-hosted open-source gateway, so no third party sits in between, but you maintain it yourself.

  • Pollinations.ai

    An open-source platform and API for generating text, images, audio and video with many AI models.

    FreemiumOpen sourceWebCommand line

    Pollinations.ai offers one open-source, OpenAI-compatible API for text, image, audio and video models on a freemium basis, with a CLI for scripts and agents.

  • Helicone

    An open-source AI gateway and observability platform for routing, logging and debugging LLM requests.

    FreemiumOpen sourceWebSelf-hosted

    Helicone is an open-source AI gateway focused on logging, cost tracking and debugging LLM requests, self-hostable under Apache-2.0, though its roadmap is uncertain after joining Mintlify.

Also worth comparing

These listings name OpenRouter as their own alternative, so the relationship runs both ways.

  • Claude Console

    Anthropic's web console for building agents and applications with Claude models through the Claude API.

    PaidProprietaryWeb

    OpenRouter routes one API key to over 500 models from many providers with automatic fallback, but adds a third party between you and the model provider.

  • Google AI Studio

    A web workspace for trying Google's Gemini models and getting API keys for the Gemini API.

    FreemiumProprietaryWeb

    OpenRouter offers one API key for over 500 models across providers with automatic fallback and prepaid usage, adding a third party between you and each provider.

  • Mammouth

    A subscription service that bundles text and image models from several AI providers in one app.

    PaidProprietaryWeb

    OpenRouter routes to over 500 models through one API and chat interface with prepaid usage and no subscription, adding a third party between you and providers.

  • Poe

    A chat platform from Quora that gives access to several AI models in one place.

    FreemiumProprietaryWeb

    OpenRouter offers a chat interface and one API for over 500 models with prepaid usage and no subscription, and is aimed more at developers than casual chat.

Similar software

Related functionality, not a direct replacement.

  • LLM

    A command-line tool and Python library for prompting remote and locally installed language models.

    FreeProprietaryCommand line

  • Bito

    A service that routes coding-agent requests to suitable models and adds codebase context to cut costs.

    FreemiumProprietaryWeb