AI Briefing
KO

opencodex: A Universal LLM Coding Agent Proxy Released

·2026.07.27 20:30

Key point

An open-source proxy has been released that lets coding agents like Codex and Claude Code use a variety of LLMs.

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Details

Coding agents like OpenAI's Codex CLI or Claude Code are tied to specific backend APIs, which means using other models (Gemini, DeepSeek, Llama, etc.) requires waiting for the tool's official support.

opencodex is a lightweight local proxy layer designed to solve this problem. It receives Codex's Responses API requests and translates them into the API formats of various providers such as Anthropic, Google, xAI, DeepSeek, and Ollama before forwarding them.

Key features:

  • Universality: Supports bidirectional data handling including streaming, tool calls, reasoning tokens, and images.
  • Smart routing: Automatically routes to the corresponding provider when a specific model is specified, with failover functionality in case of outages.
  • Account management: Provides a dashboard for registering multiple ChatGPT/Codex accounts to efficiently distribute quota usage.
  • Easy setup: Installable via npm in a Node.js environment, with a GUI dashboard that makes it easy to add 40+ built-in providers.

The project is released under the MIT License, making it freely available for both personal and commercial use.

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