GPT-live-1
gpt-live-1
OpenAI · chat · api
Unavailable
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This model is listed by OpenAI but a live request is rejected, so it isn't usable right now.
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Context
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Max output
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Input $/1M
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Output $/1M
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Modalities
text
Released
08 Sept 2026
AI summary
● machine-written
OpenAI launches GPT-Live-1 voice model with per-second billing
GPT-Live-1 is a chat model that handles text and voice interactions via a dedicated Live endpoint. It uses per-second billing for voice sessions with separate backend charges, distinct from standard Realtime API pricing. The model does not offer free-tier access.
What's new
- Per-second billing for voice sessions without minute rounding
- Separate Live endpoint from standard Realtime API
- Backend model and tool usage charged separately
- No free-tier access available
Best for
Real-time voice interactionsLong-form conversation sessionsApplications requiring live streaming audio