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Kiro vs Codex CLI: catalog facts
KiroCodex CLI
Freemium

Free to start, with paid plans that include usage credits.

Freemium

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

Command line Windows, macOS, Linux, Command line
  • Spec-driven workflow from requirements to tasks
  • Property-based tests to check correctness
  • Open source terminal client under the Apache license
  • Integrates into existing workflows via CLI and IDE plugins
  • Relies on cloud AI models and an account
  • Heavier use requires a paid plan
  • Requires an OpenAI account or API access to function
  • Usage limits depend on the access route chosen
Downloadable app Downloadable app
Closed source Open source
License: Proprietary License: Apache-2.0
Account needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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