Coding agents
Codex vs GitHub Copilot
Codex (OpenAI) and GitHub Copilot (GitHub) are two tools in the “Coding agents” category of the OrigoTech directory. This page puts the information from their tool pages side by side: 8 criteria are filled in for both tools. No editorial opinion: every value comes from the tool page, which cites its sources.
Tool page data · Verified
Comparison table
| Criterion | Codex | GitHub Copilot |
|---|---|---|
| Vendor | OpenAI | GitHub |
| Pricing | Freemium | Freemium |
| Pricing details | Included in ChatGPT Free ($0), Go ($8), Plus ($20) and Pro (from $100/month), or billed per use with an API key (source: developers.openai.com/codex/pricing). | Free $0, Pro $10, Pro+ $39, Max $100 per month (source: github.com/features/copilot/plans). |
| Plans and pricing |
|
|
| License | Codex CLI under Apache-2.0 (github.com/openai/codex); cloud service and ChatGPT app proprietary | — |
| Platforms | CLI, IDE, Web, Desktop, Mobile | IDE, CLI, Web, Mobile |
| Operating systems | macOS, Windows, Linux | macOS, Windows, Linux |
| MCP support | Yes | Yes |
| Context window | 1,050,000 tokens with GPT-6.1 Sol (recommended model); depends on the selected model | Depends on the selected model (up to 1 million tokens on recent models) |
| GitHub repository | openai/codex · ★ 130,181 · Verified | — |
| Updated on |
“—”: information not filled in on the tool page.
What they have in common
- Same pricing model: freemium.
- Both support MCP.
- Shared platforms: CLI, IDE, Web, Mobile.
- Shared operating systems: macOS, Windows, Linux.
Differences
- Codex is published by OpenAI, GitHub Copilot by GitHub.
- Platforms only Codex offers: Desktop.
- Only Codex has a repository on our GitHub repos page (130,181 stars, as of October 20, 2026).
- Plans listed on the tool pages: 6 for Codex, 4 for GitHub Copilot.
See also the editorial comparison: Claude Code, Codex or GitHub Copilot: which one?.
Sources
- OpenAI: 4 million weekly users (April 2026)
- OpenAI: Leader in the 2026 Gartner Magic Quadrant
- OpenAI: Codex pricing
- Codex CLI on GitHub (Apache-2.0 licence)
- Microsoft: fiscal 2026 Q2 earnings
- Stack Overflow: 2026 survey, AI data
- GitHub: Copilot plans
Tool pages and related pages
Related articles
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- Gartner's first Magic Quadrant for coding agents
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- Open-source coding agents on GitHub: OpenCode, Cline, OpenHands, Aider
- Stack Overflow 2026: agents in, production off-limits