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Development · Web app

OpenRouter

Unified API gateway to access hundreds of AI models across providers

From the Xiry library · Updated 3 October 2026

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OpenRouter is an API routing platform that aggregates hundreds of commercial and open-source large language models into a single OpenAI-compatible interface. It automatically routes queries across dozens of hosting providers to optimize for lowest latency, uptime, and price. Developers also get access to free tiers for various open-source models alongside prepaid pay-as-you-go options.

What it's for

  • Access multiple LLMs like Claude, GPT, Llama, and DeepSeek through a single API key
  • Implement automatic provider fallbacks to ensure application uptime if a host goes down
  • Test and prototype AI applications using free open-source model routing options
  • Route prompts to the cheapest available provider for a given model to cut costs

Features

  • OpenAI-compatible unified API endpoint
  • Support for 500+ models across 80+ hosting providers
  • Automated provider fallbacks for high availability
  • Free-tier access for selected open-source models
  • Customizable data privacy policies and provider logging toggles
  • Model performance and router benchmarking index
  • Built-in web chat interface to test prompts directly

Pricing

Freemium. Free access available for select open-source models; paid models billed pay-as-you-go via prepaid credits with no monthly subscription required.

Details

Type
Web app
Category
Development
Topic
AI APIs
Open source
No
Platforms
Web, API
For
Developers and AI builders looking for a single endpoint to query diverse models without managing multiple provider accounts.
Alternative to
Together AI, Groq, AWS Bedrock
Tags
llm, api, routing, inference, ai models, developer tools

Why it was saved

  • @nick_saraev, 31 July 2026: Offers free API access with generous rate limits for over 20 top open-source models like Qwen, Kimi, Llama, and DeepSeek.

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