# GPT-Realtime-2.1

GPT-Realtime-2.1 is an OpenAI voice model released Jul 6, 2026; OpenAI's newest voice model in our dataset is GPT-Live 1. Proprietary, API access only. OpenAI's realtime speech-to-speech reasoning model, released Jul 6, 2026 with better alphanumeric recognition and interruption handling. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/gpt-realtime-2-1 · JSON: https://theagenticweekly.com/api/models/gpt-realtime-2-1

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | OpenAI |  |
| Released | Jul 6, 2026 | https://developers.openai.com/api/docs/changelog |
| API id | `gpt-realtime-2.1` | https://developers.openai.com/api/docs/models/gpt-realtime-2.1 |
| Context window | 128,000 tokens (128K) | https://developers.openai.com/api/docs/models/gpt-realtime-2.1 |
| Max output | 32,000 tokens | https://developers.openai.com/api/docs/models/gpt-realtime-2.1 |
| Input | text, audio, image | https://developers.openai.com/api/docs/models/gpt-realtime-2.1 |
| Output | text, audio | https://developers.openai.com/api/docs/models/gpt-realtime-2.1 |
| Licence | Proprietary (API) | https://developers.openai.com/api/docs/models/gpt-realtime-2.1 |
| Pricing | $4 in / $24 out per 1M tokens | https://developers.openai.com/api/docs/models/gpt-realtime-2.1 |

## What we tested

Nothing yet. We have not run GPT-Realtime-2.1 ourselves, so every fact here is Reported from the sources below.

## Sources

- [OpenAI API changelog](https://developers.openai.com/api/docs/changelog)
- [OpenAI model page: GPT-Realtime-2.1](https://developers.openai.com/api/docs/models/gpt-realtime-2.1)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.