AIOpenAI Releases GPT-5.5 Today: A Fully Retrained Agentic Model That Tops Every Coding Benchmark
OpenAI's GPT-5.5 launches today — a fully retrained agentic model hitting 82.7% on Terminal-Bench and 84.9% on GDPval, rolling out now in ChatGPT and Codex.
Dr. Nova Chen★Apr 24, 2026★5 min read
