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GPT-Realtime-2.1
Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior
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GPT-Realtime-2.1 FAQ
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Model family
GPT
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Focus areas
Core specifications
Modalities
Identity
- Version
- gpt-realtime-2.1
- Knowledge cutoff
- 2024-09-30
- Aliases
- GPT-Realtime-2.1
Capabilities
Pricing
Capabilities and fit
Model summary
Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior
- Output
- Audio, Text
- Capabilities
- 3
- Catalog updated
- 2026-07-06T00:00:00.000Z
- Status
Provider coverage
| Provider | Input | Output | Pricing |
|---|---|---|---|
| Vercel AI Gateway | IN $4/M OUT $24/M Read $0.4/M | ||
| OpenAI | IN $4/M OUT $24/M Read $0.4/M |