Llm Router

llm-router

  Stop spending your Claude Pro/Max quota on questions a free model can answer.

  llm-router hooks into your coding tool's own lifecycle, reads each prompt before the
  model does, and drafts an answer on a free or local model first. No API keys needed
  on a Claude subscription — routing runs through MCP tools and local models.

  One caveat: routed answers are advisory by default — Claude still takes the
  turn unless you opt in to zero-Claude mode. By default some tool calls wait until a
  prompt is routed; LLM_ROUTER_ENFORCE=off turns that off (all user settings: docs/configuration.md). Draft-rate and
  acceptance figures live in docs/MEASUREMENT.md, with
  their n, window and conditions.

📑 Table of Contents

- Why install this
- Quick Start
- Works With
- How It Works
- Features
- Reference
- Savings
- Trust and Security
- Documentation
- Enterprise, Contributing, License

Why install this

You are on a Claude Pro or Max plan, have not spent a cent beyond it, and still
hit the five-hour limit — not because you asked too much, but because *every*
prompt went to the premium model: "what does this error mean", "reformat this
JSON", "is the service up" drew the same quota as the question that needed it.

Why a proxy cannot do this

Most routers here are a proxy: your agent forwards requests using *your
API keys*. That has a hard limit — a proxy cannot intercept a session
authenticated by a subscription, because there is no key to forward.

Honesty as a feature

llm-router status reports verified and unverified savings
separately, each with its own n — not a blended percentage. This project does
not publish a general savings percentage; any number depends on your own
workload. See Savings below.

Quick Start

Works with no API keys on a Claude Pro/Max…