OpenRouter
by OpenRouter
OpenRouter is a unified interface and marketplace for accessing multiple large language models (LLMs) and AI services through a single API. It acts as a router, allowing developers to switch between different AI models (e.g., OpenAI, Anthropic, Mistral, and open-source models) without changing their codebase. OpenRouter provides features like load balancing, fallbacks, and cost optimization across various AI providers. It also offers a frontend for users to test and compare different models interactively.
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Weighted across four pillars · updated July 22, 2026
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