←Back to NewsAI News/DevelopmentnewsDevelopmentAgentsOpenAI's Codex CLI Rebuilds the Terminal to Run Parallel Coding AgentsOpenAI overhauls Codex CLI with a full-screen TUI, parallel agent management, voice input, and worktree forking for terminal-native developers.SourceOpenAI DevelopersPublishedSep 29, 2026, 6:18 PMAuthorAlphaSignal NewsroomRead1 min readOpenAI overhauls Codex CLI with a full-screen TUI, parallel agent management, voice input, and worktree forking for terminal-native developers.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsOpenAI Developers · newsOpenAI's Dots Turns ChatGPT Into a Persistent Agent That Works While You SleepAkruti Acharya · deep-diveWhat Belongs in AGENTS.md, Design Docs and Tests?AlphaSignal · repoMagpie Gives Developers One Gateway to Rule 20 Coding Agents