Very long inputs
Choose GPT-4o Realtime
GPT-4o Realtime reads up to 32k tokens per request, against 16k for GPT-Realtime-Translate.
GPT-4o Realtime vs GPT-Realtime-Translate: price, context and capabilities
Choose GPT-4o Realtime for very long inputs. Choose GPT-Realtime-Translate for the latest release and the most recent knowledge.
In short
- A price comparison is not possible: one of them has no comparable published price.
- GPT-4o Realtime reads more per request: 32k tokens against 16k.
- GPT-Realtime-Translate is the newer model (May 7, 2026, against Oct 1, 2024).
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Latest release
Choose GPT-Realtime-Translate
GPT-Realtime-Translate is the newer release (May 7, 2026, against Oct 1, 2024 for GPT-4o Realtime).
Most recent knowledge
Choose GPT-Realtime-Translate
GPT-Realtime-Translate was trained on data up to September 2024, against October 2023 for GPT-4o Realtime.
Specifications side by side
| GPT-4o Realtime | GPT-Realtime-Translate | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Category | Voice and realtime | Voice and realtime |
| Status | Deprecated | Generally available |
| Headline price | No data | $0.034 / minute |
| Context window | 32k | 16k |
| Max output | 4k | 2k |
| Released | Oct 1, 2024 | May 7, 2026 |
| Knowledge cutoff | October 2023 | September 2024 |
| Licence | Proprietary | Proprietary |
| Capabilities | Audio input | Audio input |
| API model id | gpt-4o-realtime-preview | gpt-realtime-translate |
Frequently asked questions
Should I choose GPT-4o Realtime or GPT-Realtime-Translate?
Choose GPT-4o Realtime for very long inputs. Choose GPT-Realtime-Translate for the latest release and the most recent knowledge.
Which is cheaper, GPT-4o Realtime or GPT-Realtime-Translate?
A price comparison is not possible: one of them has no comparable published price.
Which has the larger context window, GPT-4o Realtime or GPT-Realtime-Translate?
GPT-4o Realtime reads more per request: 32k tokens against 16k.
What is the difference between GPT-4o Realtime and GPT-Realtime-Translate?
GPT-4o Realtime is made by OpenAI and GPT-Realtime-Translate by OpenAI. A price comparison is not possible: one of them has no comparable published price. GPT-4o Realtime reads more per request: 32k tokens against 16k. GPT-Realtime-Translate is the newer model (May 7, 2026, against Oct 1, 2024).
Which is newer, GPT-4o Realtime or GPT-Realtime-Translate?
GPT-Realtime-Translate was released on May 7, 2026 and GPT-4o Realtime on Oct 1, 2024.