What problem does it solve?
OpenRouter provides a unified, scalable way to access 400+ AI models with features like streaming, tool calls, structured outputs, web search, multimodal inputs, and robust routing. It helps developers design reliable, cost-conscious AI workflows without juggling multiple providers or custom integration code.
Core Features & Use Cases
- Access a wide range of models from multiple providers with model fallbacks and routing for reliability and cost control.
- Enable streaming responses, tool calls, structured outputs, and web search within a single API surface.
- Support multimodal inputs (images, audio, PDFs) and routing strategies to optimize latency, cost, and accuracy for complex workflows.
- Real-world use cases include agentic systems, dynamic model selection, and resilient AI assistants across products.
Quick Start
Provide a working OpenRouter chat example with streaming enabled for a sample user question.