decolua/9router

Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback, RTK -40% tokens, never hit limits.

What it solves

9Router is designed to prevent developers from hitting AI rate limits, wasting expensive tokens, or letting monthly subscription quotas go unused. It acts as a smart intermediary between AI coding tools (like Cursor, Claude Code, or Cline) and various AI model providers, ensuring continuous uptime and cost efficiency.

How it works

It functions as a local proxy server that provides an OpenAI-compatible API endpoint. When a coding tool sends a request, 9Router manages the routing based on a tiered system:

  1. Subscription Tier: Uses paid subscriptions first to maximize value.
  2. Cheap Tier: Falls back to low-cost providers if subscriptions are exhausted.
  3. Free Tier: Falls back to free providers as a final resort.

Additionally, it uses an "RTK Token Saver" to compress tool results (like git diffs or grep outputs), reducing token consumption by 20-40% per request. It also handles format translation between different providers (e.g., OpenAI to Claude).

Who it’s for

Developers who use multiple AI coding assistants and want to centralize their API keys, automate fallback logic to avoid downtime, and reduce the cost of LLM usage.

Highlights

  • Universal Compatibility: Works with a wide range of CLI tools including Claude Code, Cursor, Cline, and Copilot.
  • Massive Provider Support: Connects to over 40 API providers and 100+ models, including OAuth and free providers.
  • Automatic Fallback: Seamlessly switches from subscription to cheap to free models to ensure zero downtime.
  • Token Optimization: RTK Token Saver automatically compresses tool outputs to save 20-40% of tokens.
  • Multi-account Support: Implements round-robin routing between multiple accounts for the same provider.

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