AI Programming Lab

Apr 24, 2026 · Artificial Intelligence

GPT-5.5 Launches: How It Stacks Up Against Claude Opus 4.7

OpenAI released GPT-5.5 with three variants, matching GPT-5.4's latency while boosting benchmark scores across Terminal‑Bench, GDPval, FrontierMath, ARC‑AGI‑2 and more, yet pricing doubles and some tests still favor Claude Opus 4.7, highlighting a fierce model‑level competition.