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Tool comparison

GitHub CopilotvsCodex

A line-by-line comparison of positioning, difficulty, platforms, pricing and fit. Both entries state who they are not for — the crux of choosing is rarely which is stronger, but whose exclusion list misses your constraints.

GitHub Copilot vs Codex
GitHub Copilot
GitHub / Microsoft
Beginner
Codex
OpenAI
Intermediate
PositioningThe most widespread in-editor AI completion, deeply integrated with GitHubOpenAI's coding agent, able to run tasks in parallel in the cloud and return diffs
DifficultyBeginnerIntermediate
PlatformsVS Code · JetBrains · Neovim · Visual Studio · XcodeWeb · CLI · IDE 外掛
Pricing
Subscriptionno free tier

Individual USD 10/mo; Business USD 19/user/mo; Enterprise USD 39/user/mo.

verified 2026-10-01Official
Subscriptionno free tier

Included with paid ChatGPT plans, plus usage-based API billing; see the official site.

see official siteOfficial
Good for
  • Inline completion and the gentlest onboarding
  • Teams already living in GitHub
  • PR review assistance
  • Offloading parallelisable tasks to the cloud
  • Reviewable output in diff form
  • Teams already in the OpenAI ecosystem
Not for
  • Complex refactors needing autonomous multi-file edits
  • Anyone who wants full control of the model backend
  • Fully offline or self-hosted model requirements
  • Anyone unwilling to hand a codebase to an external cloud
Editorial rating
GitHub Copilot
Capability
44/5
Ease of use
55/5
Cost value
44/5
Privacy control
33/5
Codex
Capability
44/5
Ease of use
44/5
Cost value
33/5
Privacy control
22/5

Amounts appear only after we verify them manually; otherwise defer to the official site.

GitHub Copilot · Tool detailCodex · Tool detail

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