
OpenRouter
OpenRouter.ai acts as a central hub for AI language models. It offers a single API to connect with various providers like OpenAI, Anthropic, and others. Developers can switch between models without changing code. This saves time and cuts complexity. The platform also optimizes for cost and performance. It routes requests to the best model based on user needs. OpenRouter.ai supports innovation by easing access to cutting-edge AI. It’s a bridge for builders who want power without hassle. Whether for chatbots, content generation, or data analysis, it delivers.
Quick Info
Screenshots


Key Features
Unified API Access
One endpoint connects to hundreds of models like GPT-4o, Claude 3.7 Sonnet, and Qwen3. Use OpenAI SDK out of the box. No need for multiple integrations.
Smart Model Routing
Automatic routing selects the best model based on cost, speed, or quality. Avoid provider outages with distributed infrastructure. Customize as needed.
Cost Optimization
Save with real-time price comparisons across providers. Pick cheaper models for bulk tasks. Keep budgets lean without losing performance.
Advanced Features
Supports streaming, tool calling, structured outputs, and image/PDF processing. Fine-tune data policies for privacy. Test in a sandbox with detailed logs.
High Availability
Runs at the edge with minimal latency (~30ms). Ensures uptime by routing around provider issues. Built for reliable, global access.
Use Cases
Building AI-Powered Apps
Developers embed AI into apps like chatbots or coding agents. Access multiple models via one API. Power tools like Cline or Aider with ease.
Prototyping and Model Testing
Teams experiment with different LLMs for projects. Compare performance across providers. Find the right fit during R&D without hassle.
Cost-Effective Scaling
Startups and SMBs scale AI usage affordably. OpenRouter.ai routes to cheaper models for high-volume tasks. Grow without budget strain.
Pricing
Free tier for testing; pay-as-you-go pricing varies by model and is charged per token usage. No subscriptions.
Setup Steps
- Sign up on the OpenRouter.ai website for a free account.
- Buy credits or set up payment for usage beyond the free tier.
- Generate an API key from your dashboard.
- Use the OpenAI SDK or direct API calls with the provided endpoint.
- Configure model preferences or enable smart routing.
- Send your first request and check the response.
- Scale with pay-as-you-go as your needs grow.