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Tom’s Guide
Tom’s Guide
Technology
Amanda Caswell

7-0 wipeout: I put ChatGPT-5.5 vs Claude 4.7 through 7 impossible tests — and the results shocked me

Chatgpt and claude logos on phones.

Two of the biggest names in AI just got major upgrades, and the timing couldn’t be more interesting. OpenAI has launched ChatGPT-5.5, its newest model focused on smarter reasoning, stronger coding and handling real-world tasks with less hand-holding. Meanwhile, Anthropic has rolled out Claude Opus 4.7, a model built around careful thinking, long-context performance and polished outputs for serious work.

Both promise to be the most capable version of their respective platforms so far, but they seem to be chasing slightly different visions of what an AI assistant should be: one optimized for speed, utility and execution, the other for depth, nuance and thoughtful reasoning.

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