OpenAI has launched GPT-5.5, its first base model trained entirely from scratch, with a primary focus on agentic coding—AI's ability to autonomously navigate codebases, execute commands, and fix ...

OpenAI's GPT-5.5 boosts agentic coding, reduces costs, and handles complex tasks with minimal input across business and ...

OpenAI has introduced GPT-5.5, described as its first base model trained entirely from scratch, aimed at tackling complex agentic coding tasks such as navigating large codebases, executing terminal ...

OpenAI is rolling out GPT-5.5 in Codex, with a 400K context window and higher coding benchmark scores than GPT-5.4.