ChatGPT voice mode is a weaker model
Simon Willison reveals a counterintuitive fact: ChatGPT's voice mode runs on an older, weaker GPT-4o-era model, creating a massive gap between user expectations and reality.
Simon Willison · Apr 10, 2026
Simon Willison reveals a counterintuitive fact: ChatGPT's voice mode runs on an older, weaker GPT-4o-era model, creating a massive gap between user expectations and reality.
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