GitHub Copilot vs Codex: Features, Pricing and User Reviews 2026
What are GitHub Copilot and Codex?
GitHub Copilot is an AI coding assistant built by GitHub that helps you write, understand, and fix code faster. You can type code or ask questions in plain language, and it gives you suggestions right inside your editor. It also has a chat feature where you can ask about your code, get help fixing bugs, or generate tests. Copilot can work on its own too, planning and making changes across many files, running tests, and even opening pull requests for you. It works in popular tools like VS Code, JetBrains IDEs, the terminal, and GitHub.com. There is a free plan, along with paid plans that unlock more models and features for individuals and teams.
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 and Codex
Inline code completions and next edit suggestions
Copilot Chat for questions, debugging, and tests
Agent mode for multi-file autonomous edits
Cloud agent that codes and opens pull requests
AI-powered code review on pull requests
Copilot CLI for terminal based coding
Access to Claude, GPT, and Gemini models
MCP server support for extra context
Works in VS Code, JetBrains, and more
Free and paid plans for individuals and teams
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 and Codex
Pricing of GitHub Copilot and Codex
GitHub Copilot offers plans for individuals and businesses.
Free ($0): 2,000 completions a month, access to basic models, and Copilot CLI.
Pro ($10/user/month): Unlimited completions, cloud agent, code review, and $15 in monthly AI credits.
Pro+ ($39/user/month): Access to premium models like Opus, audit logs, and $70 in monthly AI credits.
Max ($100/user/month): Priority access to new models and features, with $200 in monthly AI credits.
For teams, Business costs $19 per user per month, and Enterprise costs $39 per user per month with larger pooled credits and priority support. All paid plans include access to third-party agents like Claude Code and OpenAI Codex.
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 vs Codex
Reviews: GitHub Copilot vs Codex
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