Claude Code model router

Gemini Claude Bridge

Production-grade Gemini ↔ Anthropic Claude protocol converter. Use Gemini as Claude Code backend.

Install

pip install gemini-claude-bridge

Found in the project README. Check it for setup steps after installing.

From source

git clone https://github.com/weijiafu14/gemini-claude-bridge.git

From the README

gemini-claude-bridge

Production-grade Gemini ↔ Anthropic Claude protocol converter.

Two ways to use it:

1. Claude Code Proxy — drop-in replacement, ANTHROPIC_BASE_URL=http://localhost:8082 claude
2. Python Library — pip install gemini-claude-bridge, convert requests/responses in your own app

Why this exists

LiteLLM has 3 open bugs in Gemini↔Claude conversion that break real-world tool calling:

Usage 1: Claude Code Proxy

Quick start

Docker

Configuration

Model mapping

Claude Code sends model names like claude-sonnet-4-20250514. The proxy maps them:

Endpoints

Usage 2: Python Library

Convert requests

Convert streaming responses

Convert non-streaming responses

Features

Development

License

MIT

Sources:
- 1rgs/claude-code-proxy
- fuergaosi233/claude-code-proxy
- nielspeter/claude-code-proxy

Read the full README on GitHub

Details

Repository: weijiafu14/gemini-claude-bridge
Type: Model routers & proxies
Language: Python
License: MIT
Last updated: 17 March 2026
Listed in: awesome-claude-code-toolkit

FAQ

What is Gemini Claude Bridge?

Production-grade Gemini ↔ Anthropic Claude protocol converter. Use Gemini as Claude Code backend. It is a model router for Claude Code, from weijiafu14/gemini-claude-bridge on GitHub.

How do I install Gemini Claude Bridge?

Run pip install gemini-claude-bridge, then follow the setup in the README.

Is Gemini Claude Bridge popular?

weijiafu14/gemini-claude-bridge has 6 GitHub stars and 0 forks, and is included in 1 curated Claude Code list. It was last updated on 17 March 2026.

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