Developers juggling multiple AI coding assistants like Cursor, Cline, and Claude Code often face a logistical nightmare: managing dozens of API keys, switching base URLs, and dealing with sudden token limits. 9Router, a newly highlighted self-hosted smart AI gateway, aims to solve this fragmentation by acting as a local reverse proxy that connects all your tools to over 60 AI providers through a single OpenAI-compatible endpoint.

Smart Tiered Routing for Zero Downtime

The core feature of 9Router is its three-tier fallback routing system, which functions as an intelligent traffic controller for your AI requests. Tier 1 prioritizes your paid subscriptions (such as Claude Code or OpenAI Codex), ensuring you get the best performance first. If those quotas are exhausted, the system automatically falls back to Tier 2, which utilizes cost-effective providers like GLM ($0.60 per 1M tokens) or MiniMax ($0.20 per 1M tokens). As a final safety net, Tier 3 routes requests to free, unlimited models like iFlow, Qwen, and Cloudflare AI, ensuring your coding session never halts due to rate limits.

Comprehensive AI Service Integration

Beyond simple chat completions, 9Router consolidates nine distinct AI service categories into one local port. It supports embeddings from providers like Voyage and Jina, text-to-speech via ElevenLabs, and speech-to-text using Deepgram or Whisper. It also handles image generation (Stability, Flux), vision tasks, video generation (Runway ML), and even web search capabilities through Perplexity and Tavily. This breadth allows developers to replace multiple specialized SDKs with a single, unified configuration in their IDE settings.

Token Optimization and Easy Setup

To address the growing cost of LLM usage, 9Router includes built-in token savers. The Real-Time Compressor (RTK) losslessly compresses tool outputs like git diffs and grep results before sending them to the LLM, saving 20–40% on input tokens. Additionally, 'Caveman Mode' modifies the LLM's response style to be extremely concise, reducing output token usage by up to 65%. Setting up the gateway is remarkably lightweight, requiring only two commands: npm install -g 9router followed by 9router. This launches an interactive menu allowing users to open a web dashboard at http://localhost:20128 for visual management of providers and quotas, avoiding the need for heavy Docker containers.

Key Takeaways

  • 9Router acts as a local reverse proxy for 60+ AI providers, standardizing access via an OpenAI-compatible endpoint.
  • A three-tier fallback system ensures continuous coding by automatically switching from paid to cheap, then to free models.
  • Built-in token compression tools (RTK and Caveman Mode) claim to reduce token costs by 20–65%.
  • The tool is lightweight, running on Node.js without requiring Docker, and is configured via a simple web dashboard.

The Bottom Line

If you are tired of managing scattered API keys and hitting random rate limits mid-coding session, 9Router offers a practical, low-overhead solution. It effectively turns your local machine into a smart AI hub, prioritizing cost efficiency and uptime without demanding complex infrastructure changes.