Audio modelActive
GPT-Realtime 2.1
OpenAI
- Released
- -
- Data date
- September 22, 2026
- Model class
- Access
Profile
Specifications and access
Published information about this model. Existing estimates are explicitly labeled.
| Specification | Value and source |
|---|---|
| Model class | Real-time audio modelSource |
| Access | APISource |
| API model ID | gpt-realtime-2.1Source |
| Input | Audio, image and textSource |
| Output | Audio and textSource |
| Task | Voice dialogueSource |
| Supported details | Real-time dialogue with tool callsSource |
| Context window | 128,000 tokensSource |
| Maximum output | 32,000 tokensSource |
| Knowledge cutoff | 2024-09-30Source |
| Reasoning | Configurable reasoning effort; tool calls supportedSource |
Pricing
Published prices
Prices apply to the stated unit. Resolution, output length, and provider can change the cost.
Evidence
Sources and data date
Every statement links to its underlying documentation or leaderboard.
| Type | Evidence and data date |
|---|---|
| Additional source | OpenAI model documentation (retrieved September 22, 2026) |