Peter Steinberger, OpenAI research engineer, routes coding tasks through cmux plus Codex CLI while handling other activities in the Codex Mac app
cmux is a Ghostty-based terminal at manaflow-ai/cmux on GitHub.
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QUOTE POST
#729Chris Albon@CHRISALBON
#729Chris Albon@CHRISALBONI have found myself using Codex Mac app over ChatGPT app all the time now.
Peter Steinberger 🦞@steipeteI'm late to the party, but cmux is great. https://github.com/manaflow-ai/cmux current split: codex mac app: knowledege work, learning, reading cmux + codex cli: coding
7:51 AM · May 23, 2026 · 403.8K Views
5:53 PM · May 23, 2026 · 7.6K Views
@steipete It's very good
Peter Steinberger 🦞@steipeteI'm late to the party, but cmux is great. https://github.com/manaflow-ai/cmux current split: codex mac app: knowledege work, learning, reading cmux + codex cli: coding
7:51 AM · May 23, 2026 · 403.8K Views
8:03 AM · May 23, 2026 · 7.3K Views
@chrisalbon same since the start of the year pretty much although I’ve been using Codex on mobile via the ChatGPT app obsessively since the past few weeks
Chris Albon@chrisalbonI have found myself using Codex Mac app over ChatGPT app all the time now.
5:53 PM · May 23, 2026 · 7.6K Views
6:38 PM · May 23, 2026 · 343 Views