OpenAI Codex CLI rust-v0.39.0
OpenAI Codex CLI rust-v0.39.0 was released on .
Summary
New Features - new /review command introduced in 3774
Release Context
- This was the 36th OpenAI Codex CLI release of 2025 tracked by Havoptic.
- It shipped 1 day after OpenAI Codex CLI rust-v0.38.0 (September 17, 2025).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Gemini CLI v0.5.5 (September 20, 2025)
- Gemini CLI v0.6.0-preview.4 (September 19, 2025)
- Claude Code v1.0.120 (September 19, 2025)
- Gemini CLI v0.0.88888 (September 19, 2025)
- Gemini CLI v0.0.88 (September 19, 2025)
Compare OpenAI Codex CLI
Other Recent OpenAI Codex CLI Releases
- rust-v0.162.1 (October 9, 2026)
- rust-v0.162.0 (October 8, 2026)
- rust-v0.161.0 (October 7, 2026)
- rust-v0.160.1 (October 5, 2026)
- rust-v0.160.0 (October 1, 2026)
Upgrading from rust-v0.39.0? See all 139 releases since.
All OpenAI Codex CLI releases · All AI coding tool releases on Havoptic