Model release · OpenAI
GPT-Live-1
- Model released
Full-duplex ChatGPT Voice; includes SynthID; not a Realtime API model; vendor has not disclosed context window/API pricing or model id; parameter count not disclosed; 2026-09 patrol: Voice Help updated daily usage tiers
Availability
ChatGPT Voice Live: Go≤3h Live-1 mini; Plus≤3h Live-1; Pro$100≤15h Live-1; Pro$200 unlimited Live-1; after limit Plus/Pro no longer fall back to mini. API model id still not public