11h ago

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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I'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

12:51 AM · May 23, 2026 View on X

I have found myself using Codex Mac app over ChatGPT app all the time now.

Peter Steinberger 🦞Peter Steinberger 🦞@steipete

I'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 · 276.4K Views
5:53 PM · May 23, 2026 · 3K Views

@steipete It's very good

Peter Steinberger 🦞Peter Steinberger 🦞@steipete

I'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 · 276.4K Views
8:03 AM · May 23, 2026 · 6K 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 AlbonChris Albon@chrisalbon

I have found myself using Codex Mac app over ChatGPT app all the time now.

5:53 PM · May 23, 2026 · 3K Views
6:38 PM · May 23, 2026 · 127 Views
Peter Steinberger, OpenAI research engineer, routes coding tasks through cmux plus Codex CLI while handling other activities in the Codex Mac app · Digg