I compared Claude Opus 4.8 with 4.7 in a 10-round honesty test - and… | HappeningNow.news
Published Date: June 03, 2026

Technology ZDNet 17h 35m ago

I compared Claude Opus 4.8 with 4.7 in a 10-round honesty test - and a legal prompt broke it

A recent comparison of two versions of the AI model Claude Opus revealed a significant issue with the latest release.

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A recent comparison of two versions of the AI model Claude Opus revealed a significant issue with the latest release. Claude Opus 4.8 was tested alongside its predecessor, 4.7, in a series of 10 rounds designed to gauge the model's honesty. The tests involved various scenarios, including coding, medical, finance, and legal challenges. A legal prompt proved to be the breaking point for Claude Opus 4.8, highlighting a potential vulnerability in the model's performance.

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