Thread · 5 stories · Feb 6 – Aug 31
OpenAI's coding agent went from a model release to computer use, six role plugins, a usage-limit fight and 25 million users in seven weeks.
Jump to timeline ↓GPT-5.3-Codex arrived as a coding model that could beat Pokemon Emerald. Within months Codex was seeing the screen and driving the cursor in native apps, then relaunched with role-specific plugins, web hosting and document annotation, reaching 5M weekly users with non-developers a fifth of the base.
After a squeeze on Plus usage limits and their restoration, Codex's active users jumped from 6 million to 25 million in about seven weeks — read on the Street as OpenAI taking share.