OpenRouter

Sign up for OpenRouter and get a single API key. Use the standard REST API endpoint with your choice of model-specify which model you want to use in the request. OpenRouter handles authentication with the underlying provider, routes your request appropriately, and returns results in OpenAI-compatible format. Switch between models without changing your code-just specify a different model ID in your request. Set up fallback chains so requests automatically try alternative models if the preferred one is unavailable. Monitor usage and costs across all providers through a unified dashboard. OpenRouter's pricing aggregates deals from all providers, sometimes offering better rates than direct provider APIs.

• •100+ Model Access: Single API to OpenAI, Anthropic, Google, Meta, Mistral, and 55+ other providers
• •Universal API Format: OpenAI-compatible format works with existing tools and libraries
• •Provider Agnostic: Switch between models and providers without code changes
• •Fallback Routing: Automatic fallback to alternative models if preferred provider is unavailable
• •Usage Aggregation: Monitor and manage spending across all providers through one dashboard
• •Competitive Pricing: Access provider deals and sometimes better rates than direct APIs
• •Model Comparison: Easy experimentation with different models to find the best fit

OpenRouter is ideal for developers and teams who want flexibility in model selection without API complexity. It's perfect for companies optimizing AI costs by testing multiple models, teams needing reliability through fallback routing, researchers comparing model performance, and startups avoiding vendor lock-in. It's suited for developers building AI products who want to iterate on model choice, teams wanting to leverage the latest models as they're released, and organizations managing costs by choosing optimal models per task.