GitHub Copilot CLI vs Codex: Features, Pricing and User Reviews 2026
What are GitHub Copilot CLI and Codex?
GitHub Copilot CLI brings GitHub's Copilot coding agent straight into your terminal. Instead of switching to an editor, you type a request and it can plan the work, edit files, run shell commands, and open pull requests on its own. It connects natively to GitHub, so it can read issues, work with branches, and manage pull requests without extra setup. You can pick from many AI models, including Claude, GPT, and Gemini options, and switch between them as needed. Plan mode lets you review a checklist before any changes happen, while autopilot mode moves faster with fewer stops. Every file change and command needs your approval first, so you stay in control throughout the process.
Codex is an AI coding agent from OpenAI that can plan, write, test, and fix code with real autonomy. You describe a task in plain language, and Codex works through your project step by step, running commands, checking tests, and preparing changes for you to review.
It started as a tool for software engineers but has grown into a wider work assistant used by analysts, designers, and other non-technical teams too. Codex runs in isolated spaces, so it does not touch your main project files directly.
You can use it from a desktop app, a command line tool, inside your code editor, or through ChatGPT on the web, and everything stays in sync across each place you work.
Features of GitHub Copilot CLI and Codex
Terminal based AI coding agent
Plans, edits, tests, and ships code
Native GitHub issues and pull request support
Parallel sub agents through /fleet
Plan mode and autopilot mode
Works with Claude, GPT, and Gemini models
MCP servers, skills, hooks, and plugins
Session memory with automatic compaction
Approval required for file and shell changes
Runs on macOS, Linux, and Windows
AI agent for coding, testing, and reviewing
Multi-agent parallel task execution
Isolated sandboxes for safe changes
Reusable skills for repeat workflows
Role-based plugins for teams
Background automations for recurring tasks
Desktop, CLI, IDE, and web access
Synced work across your ChatGPT account
Approval gates and permission controls
Used by developers and knowledge workers
Use Cases of GitHub Copilot CLI and Codex
Pricing of GitHub Copilot CLI and Codex
GitHub Copilot CLI comes with every Copilot plan, from free to enterprise. The Free plan costs nothing and gives you 2,000 completions a month along with basic models and the CLI itself.
For individuals, the Pro plan is $10 per user each month and unlocks unlimited completions, Cloud Agent access, Code Review, and third-party agents like Claude Code, plus $15 in monthly AI credits. Pro+ moves up to $39 a month with premium Opus models and $70 in credits, while Max costs $100 a month with priority access and $200 in monthly credits.
Teams can choose Business at $19 per user a month for pooled credits and admin controls, or Enterprise at $39 per user a month for organization wide rollout with larger pooled credits and premium support.
Codex is included as part of ChatGPT's plans, so pricing depends on which plan you choose.
Free ($0/month): Limited access to Codex along with basic chat features.
Go ($8/month): More messages, uploads, and memory, though Codex access stays limited.
Plus ($20/month): Unlocks expanded Codex usage along with stronger models and more features.
Pro (from $100/month): Gives the most Codex tasks, top-tier models, and unlimited image creation.
Business: Costs $20 per user a month billed yearly, or $25 monthly, with a minimum of two users, and includes full Codex access with admin tools.
Enterprise: Custom pricing that adds advanced security, data controls, and priority support.
FAQs: GitHub Copilot CLI vs Codex
Reviews: GitHub Copilot CLI vs Codex
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Compare Codex With Other Tools
Claude Code
Anthropic's Agentic Coding Tool
OpenCode
Your Free Open Source Coding Agent
Devin Desktop
AI Coding Agent Command Center IDE
Cursor CLI
AI Coding Agent for Your Terminal
Kimi Code
Moonshot AI's Agentic Coding Assistant
Grok Build
xAI's AI Coding Agent for Terminal
Qwen Code
Open Source Terminal Coding Agent
Cursor
AI-Native Code Editor for Developers
Amp
Frontier AI Agent for Software Development

