AI · 3h ago
Claude Fable loses to GPT-5.6 Soul in practical AI test
Claire Vo, founder of ChatPRD, ran a head-to-head test of GPT-5.6 models versus Claude Fable and Sonnet, weighting results 70% on her own taste. The theoretically smarter Claude Fable lost to GPT-5.6 Soul, which she found more collaborative and practical. Vo's test highlights that usability and collaborability are now key AI capabilities, not just raw intelligence.
Meridian48 take
The test underscores that benchmark scores matter less than real-world collaboration, but a single founder's taste test isn't a definitive ranking for the industry.
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The smartest model lost — and it just redrew the 2026 AI race →
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