OpenAI Releases GPT-5.5, a Fully Retrained Agentic Model That Scores 82.7% on Terminal-Bench 2.0 and 84.9% on GDPval
9OpenAI released GPT-5.5, a fully retrained agentic AI model that autonomously manages complex tasks. The model scored 82.7% on Terminal-Bench 2.0 and 84.9% on GDPval benchmarks, demonstrating significant advances in coding, research, and data analysis without supervision.
