One API key for multiple models
Instead of maintaining separate keys for every provider, modelrouter lets you manage access through one key and switch between GPT, Claude, Gemini, DeepSeek and other supported models.
ChatGPT API
ChatGPT API access with one API key
modelrouter helps individuals and teams call ChatGPT-compatible model capabilities from one unified API platform. It is designed for AI tools, automation workflows, SaaS products and developer projects.
OpenAI-compatible interface
Most applications that already support the OpenAI API can connect to modelrouter by changing the Base URL and API key. This keeps migration simple and reduces integration work.
Clear usage and billing
Top up your account, track usage logs and understand costs in one console. This is useful for both personal projects and team operations.
One API key for GPT, Claude, Gemini and DeepSeek
modelrouter is a unified AI API platform. Top up once, create one API key, and call multiple major AI models from OpenAI-compatible clients and backend services.