Routes LLM requests across Anthropic, OpenAI, Google Gemini, and Grok/xAI. Instead of specifying a model, you specify what you need and how to optimise. The underlying models aren't your problem. - Drop-in OpenAI API replacement (just change your base URL) - Provider blocking — opt out of specific providers (ethical or cost reasons) - Auto-recharge via Stripe when balance runs low - Per-provider circuit breakers for automatic failover Pay-as-you-go. 4% fee on credit deposits.