Technology & Science
OpenAI Unveils GPT-5.4, First Mainline Model with Native Computer Control and 1M-Token Context
On 6 Mar 2026 OpenAI swapped out GPT-5.2 for GPT-5.4 across ChatGPT, API, Codex and GitHub Copilot, introducing native computer-use, a one-million-token window, and a new Tool Search that trims token costs by nearly half.