OpenAI Debuts GPT-5.5 Claiming Agentic Coding and Research Gainsvia MacRumors: Mac News and Rumors - All Stories (author: Tim Hardwick)

OpenAI has announced the release of GPT-5.5, the latest upgrade to the company's family of models powering its ChatGPT and Codex apps.OpenAI describes GPT-5.5 as better at multi-step work, claiming it can plan, use tools, and verify its own output with less…