OpenAI · model family
GPT Realtime models
GPT Realtime has 4 versions on record. The first released was GPT-Realtime-1.5 on 23 Feb 2026, the latest GPT-Realtime-2.1 Mini on 6 Jul 2026.
Every released version 4
USD / 1M tokens
| Model | Context window | Input USD / 1M tokens | Output USD / 1M tokens | Status |
|---|---|---|---|---|
GPT-Realtime-2.1 MiniOpenAI | 128K | — | — | API availability · |
GPT-Realtime-2.1OpenAI | 128K | — | — | API availability · |
GPT-Realtime-2OpenAI | 128K | — | — | API availability · |
GPT-Realtime-1.5OpenAI | 32K | — | — | API availability · |