The best codex-with-chatgpt alternatives

open-connector

oomol-lab/open-connector

Open-source auth gateway connecting 1500+ SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI.

Choose open-connector if…

• you want the more recently updated codebase
• you specifically need agent-tools or api-gateway

Shares ai-agents, mcp, model-context-protocol, oauth with codex-with-chatgpt.

holaOS

holaboss-ai/holaOS

Open-source agentic workspace enterprises can make their own. Connect the systems you already run — 100+ integrations, MCP, chat tools, apps, browser, local files — with shared memory. Any agent (Claude Code, Codex), any model, or BYOK. Set up in clicks, not months. Local-first: your data never leaves your machines.

Choose holaOS if…

• you want the more recently updated codebase
• you specifically need agent or agent-harness

Shares ai-agents, codex, mcp, model-context-protocol with codex-with-chatgpt.

oh-my-openagent

code-yeongyu/oh-my-openagent

OmO: Just type "mass ulw" keyword with your prompt. Now you are the master of graph engineering.

Choose oh-my-openagent if…

• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (70.9k)
• you want the more recently updated codebase
• you specifically need ai or anthropic

Shares ai-agents, chatgpt, codex with codex-with-chatgpt.

corsair

corsairdev/corsair

Connect your users to their apps

Choose corsair if…

• you want the more widely starred option (15.7k)
• you want the more recently updated codebase
• you specifically need agentic-ai or agents

Shares ai-agents, mcp, oauth with codex-with-chatgpt.

linkedin-mcp-server

stickerdaniel/linkedin-mcp-server

Open-source MCP server for LinkedIn. Give Claude and any MCP-compatible AI agent access to profiles, companies, jobs, and messages.

Choose linkedin-mcp-server if…

• you would rather work in Python than TypeScript
• Apache License 2.0 suits your use better than MIT License
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more recently updated codebase

Shares ai-agents, chatgpt, mcp, model-context-protocol with codex-with-chatgpt.

MemOS

MemTensor/MemOS

Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse, with 35.24% token savings and DeepSeek Harness support.

Choose MemOS if…

• Apache License 2.0 suits your use better than MIT License
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (12.4k)
• you want the more recently updated codebase

Shares ai-agents, chatgpt, mcp with codex-with-chatgpt.

voltagent

VoltAgent/voltagent

AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework

Choose voltagent if…

• you want the more recently updated codebase
• you specifically need agents or ai

Shares ai-agents, chatgpt, mcp with codex-with-chatgpt.

paperclip

paperclipai/paperclip

The open-source app everyone uses to manage agents at work

Choose paperclip if…

• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (113.4k)
• you want the more recently updated codebase
• you specifically need acpx or agent-orchestration

Shares ai-agents, codex, mcp with codex-with-chatgpt.

OmniRoute

diegosouzapw/OmniRoute

Never stop coding. Free MIT AI gateway: one endpoint, 352 providers (150+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek, MiniMax. Works with Claude Code, Codex, Cursor, OpenCode, Cline & Copilot. Quota-aware auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, Desktop/PWA. Built by 550+ contributors

Choose OmniRoute if…

• you want the more widely starred option (86.9k)
• you want the more recently updated codebase
• you specifically need a2a or ai-gateway

Shares ai-agents, codex, mcp with codex-with-chatgpt.

nanobot

HKUDS/nanobot

Ultra-lightweight, open-source, self-hosted personal AI agent framework in Python with WebUI, tools, memory, MCP, multi-agent workflows, automation, and chat apps

Choose nanobot if…

• you would rather work in Python than TypeScript
• you want the more widely starred option (50.0k)
• you want the more recently updated codebase
• you specifically need agent-framework or ai-agent

Shares ai-agents, mcp, model-context-protocol with codex-with-chatgpt.

9router

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.

Choose 9router if…

• you would rather work in JavaScript than TypeScript
• you want the more widely starred option (32.3k)
• you want the more recently updated codebase
• you specifically need ai-gateway or anthropic

Shares ai-agents, chatgpt, codex with codex-with-chatgpt.

codex-chatgpt-web

miuuyy/codex-chatgpt-web

Use ChatGPT Web (including Pro) as a native model in Codex — with context, tools, streaming and images, without using Codex quota.

Choose codex-chatgpt-web if…

• you want the more widely starred option (15.7k)
• you want the more recently updated codebase
• you specifically need chatgpt-pro or free-ai

Shares chatgpt, codex, mcp with codex-with-chatgpt.