25th April 2026
Since GPT-5.4, we’ve unified Codex and the main model into a single system, so there’s no separate coding line anymore.
GPT-5.5 takes this further, with strong gains in agentic coding, computer use, and any task on a computer.
— Romain Huet, confirming OpenAI won't release a GPT-5.5-Codex model
Recent articles
- DeepSeek V4 - almost on the frontier, a fraction of the price - 24th April 2026
- Extract PDF text in your browser with LiteParse for the web - 23rd April 2026
- A pelican for GPT-5.5 via the semi-official Codex backdoor API - 23rd April 2026