OpenAI Ships GPT-5.5, Tops Opus 4.7 On Agent Tasks And 14 Benchmarks
OpenAI shipped GPT-5.5 on Apr. 23, pitching the model, codenamed "Spud," as its sharpest system yet for autonomous, multi-step work. GPT-5.5 Agentic Coding Push The release lands exactly one week after Anthropic pushed Claude Opus 4.7 into general availability, setting up a direct head-to-head on ag