GPT-5.4 mini in Codex: 2x Faster, 30% Cheaper GPT-5.4 mini is now live in Codex. It's 2x faster, uses 70% fewer tokens, and improves over GPT-5 mini on coding and reasoning. Perfect for codebase exploration and subagent work.
Codex GPT-5.4 mini: 2x Faster, 30% Cheaper GPT-5.4 mini is now live in Codex. It's 2x faster, costs 30% of GPT-5.4 per token, and handles codebase exploration and file review efficiently.
Codex CLI 0.115.0: Image Detail, Realtime v2, Filesystem APIs Codex 0.115.0 brings full-resolution image inspection, realtime v2 transcription, filesystem RPCs with Python SDK, and smarter approval routing through guardian subagents.
Codex App Update: Terminal Integration & Fixes Codex app now reads your terminal output to track dev servers and build errors in real-time while you code.
Codex App Update: Remote Connections & Terminal Fixes Codex app gets better remote connection handling, fixes Windows terminal shortcuts, and resolves sidebar and link prefilling bugs.
Codex App Update: Themes, Automations, Performance Codex app now supports custom themes, redesigned automations with flexible execution options, and performance improvements.
Codex CLI 0.114.0: Hooks, Health Checks, Handoffs Codex CLI 0.114.0 adds experimental hooks, improves handoff continuity with transcript context, and fixes permission handling, tmux crashes, and stuck threads.