codex-chatgpt-web alternatives

miuuyy/codex-chatgpt-web (14k stars, +196 this week): Use ChatGPT Web (including Pro) as a native model in Codex — with context, tools, streaming and images, without using Codex quota. Why it matters: useful plumbing for shipping LLM-powered features.

Below are 12 other LLM tooling repos tracked by OSS Radar that share at least two GitHub topics with codex-chatgpt-web, ordered by how many topics overlap, then by stars gained in the last 7 days. Topic overlap means a similar problem space, not a drop-in replacement, so check each project's README.

1. 1. diegosouzapw/OmniRoute

   +658/wkest.

   Never stop coding. Free MIT AI gateway: one endpoint, 359 providers (150+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek… Why it matters: useful plumbing for shipping LLM-powered features.

   76k stars · TypeScript · shared topics: codex, free-ai, mcp, openai

2. 2. lidge-jun/opencodex

   +126/wkest.

   Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK… Why it matters: useful plumbing for shipping LLM-powered features.

   17k stars · TypeScript · shared topics: chatgpt, codex, openai, typescript

3. 3. decolua/9router

   +98/wkest.

   Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Why it matters: useful plumbing for shipping LLM-powered features.

   31k stars · JavaScript · shared topics: chatgpt, codex, free-ai, openai

4. 4. code-yeongyu/oh-my-openagent

   +77/wkest.

   OmO: Just type "mass ulw" keyword with your prompt. Now you are the master of graph engineering. Why it matters: useful plumbing for shipping LLM-powered features.

   70k stars · TypeScript · shared topics: chatgpt, codex, openai, typescript

5. 5. LibreChat-AI/LibreChat

   +70/wkest.

   Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral… Why it matters: useful plumbing for shipping LLM-powered features.

   46k stars · TypeScript · shared topics: chatgpt, mcp, openai, responses-api

6. 6. NousResearch/hermes-agent

   +714/wkest.

   The agent that grows with you. Why it matters: useful plumbing for shipping LLM-powered features.

   254k stars · Python · shared topics: chatgpt, codex, openai

7. 7. headroomlabs-ai/headroom

   +315/wkest.

   Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. Why it matters: useful plumbing for shipping LLM-powered features.

   75k stars · Python · shared topics: mcp, openai, typescript

8. 8. can1357/oh-my-pi

   +266/wkest.

   ⌥ Coding agent with the IDE wired in. Built by Stencil Labs. Why it matters: useful plumbing for shipping LLM-powered features.

   35k stars · TypeScript · shared topics: mcp, openai, typescript

9. 9. f/prompts.chat

   +203/wkest.

   f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Why it matters: useful plumbing for shipping LLM-powered features.

   173k stars · HTML · shared topics: chatgpt, openai, typescript

10. 10. langchain-ai/langchain

    +182/wkest.

    The agent engineering platform. Why it matters: useful plumbing for shipping LLM-powered features.

    148k stars · Python · shared topics: chatgpt, openai, typescript

11. 11. trailhq/Trail-Code

    +133/wkest.

    Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your… Why it matters: useful plumbing for shipping LLM-powered features.

    10k stars · TypeScript · shared topics: codex, mcp, openai

12. 12. AstrBotDevs/AstrBot

    +98/wkest.

    AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw… Why it matters: useful plumbing for shipping LLM-powered features.

    42k stars · Python · shared topics: chatgpt, mcp, openai

More: all trending LLM tooling repos · compare codex-chatgpt-web with the top 2