GPT-Realtime-2 is our most capable realtime voice model. It supports speech-to-speech interactions with configurable reasoning effort, stronger instruction following, and more reliable tool use for complex voice-agent workflows.
function_callinghttps://api.openai.com/v1/realtime| Input | Cached input | Output | |
|---|---|---|---|
| Standard | $32 | $0.4 | $64 |
| Input | Cached input | Output | |
|---|---|---|---|
| Standard | $4 | $0.4 | $24 |
| Input | Cached input | Output | |
|---|---|---|---|
| Standard | $5 | $0.5 | — |
GPT-Realtime-2 supports configurable reasoning effort. Higher reasoning effort can increase latency and output token usage.
| Model | Max duration | Sample rate | Channels | Languages | Genres | Pricing |
|---|---|---|---|---|---|---|
| GPT-Realtime-Translate | — | — | — | — | — | — |
| GPT-Realtime-Whisper | — | — | — | — | — | — |
| GPT-Realtime-2.1 Mini | — | — | — | — | — | $0.6$2.4 |
| GPT-Realtime Mini | — | — | — | — | — | $0.6$2.4 |
| GPT-Realtime-1.5 | — | — | — | — | — | $4$16 |
| GPT-Realtime-2.1 | — | — | — | — | — | $4$24 |
| GPT-Realtime-2 | — | — | — | — | — | $4$24 |
| GPT-Realtime | — | — | — | — | — | $4$16 |
/v1/models/openai/gpt-realtime-2GPT-Realtime-2 is our most capable realtime voice model. It supports speech-to-speech interactions with configurable reasoning effort, stronger instruction following, and more reliable tool use for complex voice-agent workflows.