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Tom’s Guide
Tom’s Guide
Technology
Amanda Caswell

Claude Opus 4.8 just proved AI is finally growing a backbone — and it crushed ChatGPT in 7 brutal tests

Chatgpt and claude logos on phones.

Since we've known chatbots, they all seemed to have suffered from a chronic, borderline pathological condition known as sycophancy. In their relentless pursuit to be helpful, chatbots like ChatGPT have historically defaulted to buttering up our egos, validating our worst impulses and gently coddling us through obvious delusions.

But the launch of Claude 4.8 Opus promises a paradigm shift — moving away from artificial flattery and toward radical, intellectual honesty. To see if Anthropic has truly cured the "AI Yes-Man" epidemic, I put Claude 4.8 head-to-head against ChatGPT-5.5 Instant across seven brutal stress tests designed to bait them into echo chambers, ego-stroking and dangerous validations. The results weren't just surprising; they were a blowout.

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