gpt-realtime
by OpenAI
· GPT Realtime family · released Aug 26, 2025
Closed
Active
OpenAI's speech-to-speech realtime model that replaced gpt-4o-realtime in the Realtime API on 2025-08-26, with a large cut to audio token pricing.
No pricing recorded for this model yet.
Specifications
| Model type | Multimodal |
|---|---|
| Architecture | Unknown |
| Parameters | Not disclosed |
| Context window | Not disclosed tokens |
| Max output | Not disclosed tokens |
| Knowledge cutoff | Not disclosed |
| License | Proprietary |
| Modalities | Text input Audio input Text output Audio output |
| Tags | Tool use |
| End of life | Not disclosed |
| Last verified | Not disclosed |