Sam Altman Calls GPT-5.4 His 'Favorite Model to Talk To'

OpenAI's CEO praised GPT-5.4 for coding ability, knowledge work, and — notably — personality, suggesting the company is prioritizing conversational warmth alongside capability.

Sam Altman posted praise for OpenAI's latest model, GPT-5.4, calling it "great at coding" and "my favorite model to talk to," while noting the company is "moving in the right direction on personality," as shared by @sama. The emphasis on personality is worth noting. It signals that OpenAI sees conversational engagement — how the model feels to interact with, not just what it can do — as a competitive differentiator.

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