OpenAI Codex CLI rust-v0.13.0
OpenAI Codex CLI rust-v0.13.0 was released on .
Summary
Introduces the --oss flag so Codex CLI can be used with the new open-weight models from OpenAI. See: - https://github.com/openai/gpt-oss
Release Context
- This was the 12th OpenAI Codex CLI release of 2025 tracked by Havoptic.
- It shipped 1 day after OpenAI Codex CLI rust-v0.12.0 (August 5, 2025).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Claude Code v1.0.72 (August 8, 2025)
- Gemini CLI v0.1.17-nightly.250808.60362e03 (August 8, 2025)
- Claude Code v1.0.71 (August 7, 2025)
- Devin Desktop v1.11.5 (August 7, 2025)
- Claude Code v1.0.70 (August 6, 2025)
Compare OpenAI Codex CLI: vs Claude Code · vs Cursor · vs Gemini CLI · vs Kiro CLI · vs GitHub Copilot CLI · vs Devin Desktop · vs Antigravity CLI
Other Recent OpenAI Codex CLI Releases
- rust-v0.144.6 (July 18, 2026)
- rust-v0.144.5 (July 16, 2026)
- rust-v0.144.4 (July 14, 2026)
- rust-v0.144.3 (July 13, 2026)
- rust-v0.144.2 (July 13, 2026)
All OpenAI Codex CLI releases · All AI coding tool releases on Havoptic