What model does ChatGPT Voice Mode actually use?

GPT-4o, cutoff April 2024. Text gets newer, smarter ones.

Why is ChatGPT voice slower on facts?

Speed over smarts. Latency trumps knowledge for natural flow.

Probably not soon—needs infra overhauls. Demand transparency instead.

☁️ Cloud & Databases

Voice mode in ChatGPT feels slick. But it's running on GPT-4o from April 2024—while text gets the real firepower.

theAIcatchup Apr 10, 2026 3 min read

ChatGPT Voice Mode runs on outdated GPT-4o, creating a capability chasm with text mode. 𝕏
Opacity in model usage risks user trust and spreads misinformation via confident hallucinations. 𝕏
Fix: Infrastructure investment or clear disclosures—don't hide the downgrade. 𝕏

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Community-driven. Code-first.

#ChatGPT Voice Mode #GPT-4o #OpenAI #Voice AI

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Originally reported by Dev.to