C

Codex

app Website ↗ Verified 2026-05-10 · Stale

📊 Scores

Coding Ability
9.0
Value
6.0
Flexibility
5.0
China Access
1.0

🚀 Quick Start

Install Steps

  1. 1 Subscribe to ChatGPT Plus ($20/mo) or Pro ($200/mo); Codex is included
  2. 2 Download the macOS or Windows client from openai.com/codex (requires Apple Silicon or Windows)
  3. 3 Connect your GitHub repo (authorize GitHub App), then describe your coding task
  4. 4 Codex executes the task in a cloud sandbox and opens a PR for review when done
Register / Get Account ↗
🇨🇳 China Access Note: Requires VPN; OpenAI accounts are restricted in mainland China; China users may consider Kimi Code or Claude Code + Volcengine Ark as alternatives

💲 Pricing

Plan Price Limits
ChatGPT Plus $20/mo Includes Codex cloud task quota, token-based billing; overage available Official →
ChatGPT Pro $100/mo 5x Codex usage vs Plus (10x promo through 2026-05-31); full Pro exclusive model access Official →
ChatGPT Premium $200/mo Highest usage, original Pro plan; ~10-20x Codex usage vs Plus Official →
Business / Enterprise Pay-as-you-go Codex-only seats; team management, audit logs, SSO; Enterprise supports private repos Official →

Codex

Paid subscription with free trial period

Try Now ↗

✨ Key Features

Code Completion —
Chat —
Agent Mode ✅
Multi-file Edit ✅
MCP Support ✅
parallel_tasks ✅
native_sandbox ✅
pr_proposal ✅
diff_review ✅
codex_integrations ✅
skills_automations ✅
in_app_browser ✅
memory ✅
image_generation ✅
computer_use ✅
memories ✅
plugins_marketplace ✅
artifact_viewer ✅
remote_ssh ✅
Context Window 标准上下文窗口
Supported Models GPT-5.5, GPT-5.4, GPT-5.3-Codex, GPT-5.4 mini, o3, o4-mini
ide_base macOS/Windows 原生 App + VS Code/Cursor/Windsurf 扩展
supported_os macOS（Apple Silicon）, Windows
jetbrains_support —
Git Integration ✅

🎯 Best For

Users already subscribed to ChatGPT Plus/Pro (no extra cost)Developers who need to run multiple independent tasks in parallelWell-defined async tasks like writing PRs, fixing bugs, adding tests

📝 Changelog

2026-05-07 Codex Chrome extension launched (macOS/Windows; EU/UK coming soon): Codex can test web apps, gather context across tabs, and use DevTools directly in the browser without taking it over; GPT-5.5 added to Codex (frontier model for complex coding, Computer Use, knowledge work); GPT-5.4 mini now available (2x+ faster than GPT-5 mini)
2026-04-16 Codex 26.415 major update — in-app browser (Atlas engine), Computer Use (AI controls macOS), Memories for persistent context, 100+ curated plugin marketplace, Chats (projectless threads), PR workflow integration, Artifact viewer (PDF/spreadsheet/docs), Remote SSH (alpha), multi-terminal support
2026-04-09 New $100/mo Pro plan added (between Plus $20 and $200 tier), offering 5x Codex usage vs Plus; promo 10x through 2026-05-31
2026-04-02 Codex pricing switched to API token-based billing (replacing per-message model); Business annual price cut from $25 to $20/seat; pay-as-you-go Codex-only seats for teams
2026-03-10 GPT-5.3-Codex launched, 25% faster, mid-turn steering for real-time interaction; @Codex integrations with GitHub PRs/Issues/Slack; Skills & Automations

📖 Related Articles

AI Coding Tool Monthly Cost Comparison 2026: Copilot, Cursor, Codex, Claude Code, and China Coding Plans

Compare monthly fees, quota models, China accessibility, and overage risk across GitHub Copilot, Cursor, OpenAI Codex, Claude Code, Volcengine Ark, MiniMax, Alibaba Bailian, and other AI coding setups.

AI Coding API Relay Guide: How to Use Claude Code from China at Lower Cost

A comprehensive comparison of major API relay services (AICodeMirror, SSSAiCode, GAC Code, UniVibe, etc.) across 8 dimensions including pricing, stability, and security — helping developers choose the best way to access Claude Code, Codex, and Gemini CLI.

Claude Code vs Codex 2026: Latest AI Coding Agent Comparison

Updated on 2026-06-03: Claude Code vs Codex across pricing, models, platforms, MCP, privacy, parallel tasks, PR workflows, and buyer recommendations.

📚 Related Guides

AI Coding Agents in 2026: A Practical Roadmap from Autocomplete to Cloud Teammates

As of June 2026, AI coding tools are moving from autocomplete and AI IDEs into engineered agent workflows. This guide maps the shift across Codex, Claude Code, GitHub Copilot, Gemini CLI, MCP, security, and team adoption.

Conductor.build: Run a Team of Parallel AI Coding Agents on Your Mac

Conductor by Melty Labs is a Mac app that orchestrates parallel Claude Code and Codex agents, each working in an isolated git worktree. The app is free — you bring your own Claude or Codex subscription.

Cursor 3.0 Deep Dive: From Code Editor to Agent Command Center

On April 2, 2026, Cursor shipped its biggest redesign since launch — codename Glass. This guide covers the Agents Window, parallel agent execution, Design Mode, multi-repo support, and the May 13 cloud agent environments update.

💬 Comments

Last Verified: 2026-05-10 Next Review: 2026-06-10 Confidence: medium Report Error →