The new model answers in under a second and costs $4.80 an hour, unchanged from Grok Voice 2.0. On the one benchmark about real customer calls, xAI's own figure is lower than OpenAI's.
Model
GPT-Live-1
GPT-Live-1 is an artificial intelligence model developed by OpenAI. This page lists what is publicly known about the model and every benchmark result Aivio News has recorded for it, each with its own source and date.
- Developer
- OpenAI
- Model
- GPT-Live
- Released
- September 10, 2026
- Modalities
- Model, Audio
- Status
- Active
- Source
- developers.openai.com
Benchmarks
All storiesNo verified results recorded yet.
More from GPT-Live-1
OpenAI puts a full-duplex voice model in the API at five cents a minute
The difference from the previous realtime model is not audio quality. It is that the model no longer has to stop talking to start hearing, which is what made scripted voice agents sound scripted.