
GPT-5.5 vs Claude Opus 4.7: The Real Differences in Reasoning, Coding, Vision, and Cost
GPT-5.5 and Claude Opus 4.7 are both frontier AI models, but they behave differently in real workflows. Here are the practical differences in reasoning, coding, vision, prompting, and cost.
Maya Ellison
Founding Editor
April 24, 2026
4 min read



