TL;DR
An AI gateway framework that connects to over 160 free AI providers through a single endpoint and saves tokens.
Key features
Unified Endpoint: Access 236 AI providers, including over 50 free tiers, with a single API.
Token Savings: Reduces token consumption by 15-95% using RTK and Caveman stacked compression.
Smart Auto-Fallback: Automatically switches to another provider if limits are hit or errors occur.
Broad Tool Support: Compatible with major AI coding tools like Claude Code, Codex, Cursor, Cline, and Copilot.
Multimodal API Support: Handles various modalities beyond text, such as images.
MCP/A2A Protocol Support: Supports Model Context Protocol and agent-to-agent communication.
When to use it
When you want to compare multiple AI providers or reduce costs.
When you want to maximize the use of free tiers while using AI coding tools.
When building infrastructure to access various AI models through a single API.