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Gemini CLI vs Codex CLI: catalog facts
Gemini CLICodex CLI
Freemium

Free to use within Google's free tier limits; higher usage requires a paid Gemini plan.

Freemium

The CLI itself is free and open source, but using it requires a paid or quota-limited…

Windows, macOS, Linux, Command line Windows, macOS, Linux, Command line
  • Open source client under the Apache license
  • Includes a usable free tier without requiring a paid plan
  • Open source terminal client under the Apache license
  • Integrates into existing workflows via CLI and IDE plugins
  • Requires Google authentication and depends on Gemini's cloud models
  • Free tier request limits may be restrictive for heavy use
  • Requires an OpenAI account or API access to function
  • Usage limits depend on the access route chosen
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License: Apache-2.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.