OpenAI launches GPT-5.4 with native computer use and 1M context
OpenAI just launched GPT-5.4 across ChatGPT, the API, and Codex, packing native computer-use capabilities and a massive 1M-token context window. It tops human performance on desktop navigation with a 75% OSWorld score and cuts tool-calling token bloat by 47%. Best of all, you can now redirect its thinking process mid-response when a workflow drifts off track.