OpenAI Codex CLI rust-v0.31.0
OpenAI Codex CLI rust-v0.31.0 was released on .
Summary
Codex 0.31.0 - https://github.com/openai/codex/pull/3182 added support for a startuptimeoutms option when declaring an MCP server (docs), which has been a highly requested feature, particularly fo...
Release Context
- This was the 28th OpenAI Codex CLI release of 2025 tracked by Havoptic.
- It shipped 3 days after OpenAI Codex CLI rust-v0.30.0 (September 5, 2025).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Claude Code v1.0.111 (September 10, 2025)
- Gemini CLI v0.6.0-nightly.20250910.a31830a3 (September 10, 2025)
- Gemini CLI v0.5.0-preview (September 10, 2025)
- Claude Code v1.0.110 (September 9, 2025)
- Gemini CLI v0.4.0 (September 9, 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