Glanced over @RhysSullivan tweeting about Codex using mobile ChatGPT. Started using it today. It’s so good woooaahh
User @Jilles saw a tweet from @RhysSullivan about Codex being available in mobile…
Brief
Jilles tried Codex on the ChatGPT mobile app after noticing a tweet from RhysSullivan and, on 2026-06-07, reported an enthusiastic immediate reaction. The post credits RhysSullivan for the tip and emphasizes that the mobile experience of Codex exceeded expectations, described simply as "so good."
Why it matters
User @Jilles saw a tweet from @RhysSullivan about Codex being available in mobile ChatGPT and decided to try it the same day (published 2026-06-07).
Key details
- @Jilles reports immediate strong positive reaction: "Started using it today. It’s so good woooaahh," indicating high user satisfaction with Codex on mobile ChatGPT.