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

Shipped around the same time

Within 3 days of this release, other AI coding tools also shipped:

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

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