Why AI Companies Are Betting Personality Beats Intelligence

AI labs are increasingly competing on model "personality" and emotional fit as raw intelligence becomes commoditized and harder to differentiate.

• New benchmark launched: Artificial Analysis released AA Personality Bench, testing 900 questions across 30 traits rolled into eight indices (expressiveness, warmth, imagination, slop, etc.) to match models to use cases, not just rank 'best.'
• GPT-4o backlash forced reversal: OpenAI's August 2025 retirement of GPT-4o in favor of GPT-5 sparked user grief ('my robot friend getting an upgrade... now he doesn't remember me'), forcing OpenAI to reinstate it before fully retiring it by February 2026.

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