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decolua/9router

9Router is an AI proxy that optimizes costs and ensures uninterrupted AI coding by intelligently routing requests across 40+ providers, leveraging token savings and auto-fallback to free models.

Core Features

RTK Token Saver: Automatically compresses tool_result content, saving 20-40% tokens per request.

Auto Fallback: Seamlessly switches from subscription to cheap then free AI models to prevent downtime.

Multi-account & Universal Compatibility: Supports round-robin across multiple accounts and works with all major AI coding tools.

Quota Tracking: Maximizes subscription usage by tracking quotas and utilizing every bit before reset.

Quick Start

npm install -g 9router

Detailed Introduction

9Router addresses the common pain points of AI coding, such as high API costs, rate limits, and manual provider switching. It acts as a smart router, sitting between your AI coding tools (like Claude Code, Cursor, Copilot) and over 40 AI providers. By implementing features like RTK Token Saver for significant token cost reduction, automatic fallback to cheaper or free models, and intelligent quota tracking, 9Router ensures developers can code continuously without hitting limits or incurring excessive expenses, making AI-assisted development more efficient and affordable.