OpenAI · Speech / TTS
GPT-Live 1 New
Expressive voice conversations with interruption handling
- Provider
- OpenAI
- Family
- GPT Realtime
- Model type
- Speech / TTS
- Official release date
- Sep 10, 2026
- Release type
- General availability
- Status
- Generally available
- Previous version
- GPT-Realtime-2.1
- Input
- audio, text
- Output
- audio, text
- Context window
- Not documented
- Max output
- Not documented
- API model id
gpt-live-1- API price (input)
- Not verified
- API price (output)
- Not verified
- Price notes
- —
- Consumer apps
- —
- Developer API
- OpenAI API
- Free access
- None documented
- Paid access
- —
- Availability
- —
- Licence
- proprietary
Main improvements
- Expressive voice conversations with interruption handling
- Prompt-to-voice and nine new voices added 2026-10-16
Best use cases
- Voice assistants
- Customer support voice agents
Benchmarks
No benchmark results recorded. We only list scores with a source, benchmark version and date.
More from OpenAI
- GPT-4o, GPT-4o mini, GPT-4.1 and GPT-4.1 mini API deprecation Deprecated · Oct 14, 2026
- tts-1, tts-1-hd and gpt-4o-mini-tts deprecation Deprecated · Oct 1, 2026
- GPT-6.1 Sol Generally available · Sep 29, 2026
- GPT-6 Luna Generally available · Sep 22, 2026
- GPT-6 Sol Generally available · Sep 22, 2026
- GPT Image 2.5 Flare Generally available · Sep 8, 2026