GPT-Realtime-2.1
unknownOpenAI · gpt family
Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior
Limits
Context128,000
Input96,000
Output32,000
Modalities
Inputtext, audio, image
Outputtext, audio
Release info
Release2026-07-06
Last update2026-07-06
Knowledge cutoff2024-09-30
Provider offerings
Provider-specific prices and limits stay separate from canonical model facts.
| Provider | Provider model ID | Input | Output | Context | Output limit |
|---|---|---|---|---|---|
| OpenAI | gpt-realtime-2.1 | $4 / 1M | $24 / 1M | 128,000 | 32,000 |
| Vercel AI Gateway | openai/gpt-realtime-2.1 | $4 / 1M | $24 / 1M | 128,000 | 32,000 |
Capabilities
Attachments
Yes
Reasoning
Yes
Tool calling
Yes
Structured output
No
Temperature
No