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UnoRouter

Freemium

Open source LLM gateway: one OpenAI compatible key for every major AI provider

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What is UnoRouter

UnoRouter is an open source LLM gateway built for small teams that want to ship AI features without signing up with every model lab. One OpenAI compatible endpoint and one key give you GPT, Claude, Gemini, DeepSeek, Qwen, Mistral and more, so trying a different model is a one word change in your config.

When an upstream provider is slow or down, requests move to a healthy one automatically. It works with the official OpenAI SDKs, Claude Code, Cline and SillyTavern, the built in chat keeps conversations in your browser, and billing starts with a free tier and continues pay as you go with no subscription.

Key Features

One OpenAI compatible key for many AI providers
Automatic failover between upstream providers
Drop in for OpenAI SDKs, Claude Code and Cline
Local first chat that keeps history in the browser
Open source code on GitHub
Free tier, then pay as you go

Use Cases

  • •Comparing models from different labs in one app
  • •Keeping an AI feature online during provider outages
  • •Using Claude Code or Cline with other model providers
  • •Prototyping AI products without several vendor accounts

Why Startups Need This

Startups rarely know which model will fit a feature best, and committing to one vendor early means rewriting integrations later. UnoRouter keeps that choice open: one integration, one bill, every major provider, plus failover so a vendor outage does not become your outage.

UnoRouter Alternatives

OpenRouterLiteLLMPortkey

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