GPT-Realtime-2.1
Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior
openai/gpt-realtime-2.1- Lab
- OpenAI
- Family
- gpt
- Providers
- 2
- Context
- 128,000
- Output limit
- 32,000
- Knowledge
- 2024-09
- Release
- 2026-07-06
- Updated
- 2026-07-06
- Weights
- Closed
- Input
- Output types
- Capabilities
- tools, reasoning
Providers
2| Provider | Lab | Model ID | Context | Output | Price | Reasoning | Tool Call | Structured | Temperature |
|---|---|---|---|---|---|---|---|---|---|
| OpenAI | OpenAI | gpt-realtime-2.1 | 128,000 | 32,000 | $4.00 / $24.00 | Yes | Yes | No | No |
| Vercel AI Gateway | OpenAI | openai/gpt-realtime-2.1 | 128,000 | 32,000 | $4.00 / $24.00 | Yes | No | No | Yes |
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