Codex Weekly: GPT-5.5 Ships, Agents SDK Gets Sandboxes, and Codex Crosses 4M Developers
This was one of the busiest weeks OpenAI has shipped all year. GPT-5.5 arrived as the new frontier model in ChatGPT and Codex. Workspace agents turned …
This was one of the busiest weeks OpenAI has shipped all year. GPT-5.5 arrived as the new frontier model in ChatGPT and Codex. Workspace agents turned …