RouterBase: **One API, All Models.**

RouterBase routes LLMs through one OpenAI-compatible API. RouterBase connects you to the top AI labs' latest releases through a single API. RouterBase is a unified router for 200+ frontier AI models — chat from OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek and xAI, plus image, video and audio from Flux, Ideogram, Veo and Kling. Smart routing, automatic fallback and unified billing are built in.

## Why RouterBase

- **OpenAI-compatible API:** RouterBase is a drop-in replacement for the OpenAI SDK. Change one line to route to 200+ models.

- **200+ models, one key:** RouterBase covers OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI — always up-to-date.

- **Smart routing:** Auto-select the best provider by price, latency or availability — per request.

- **Automatic fallback:** Switch providers in milliseconds when the primary fails. Zero downtime.

- **Unified billing:** One invoice across all providers. No juggling a dozen platform accounts.

- **Usage analytics:** Track spend by model, key or project. Export to CSV or query via API.

## Using RouterBase

Get started with RouterBase in 3 steps. From sign-up to your first response in under 5 minutes.

1. **Create an API key:** Sign up and generate an sk-rb-… key from the dashboard.

2. **Point your SDK at RouterBase:** The OpenAI SDK works as-is — just swap the base URL.

3. **Call any model:** Pick from 200+ models across OpenAI, Anthropic, Google and more.