GPT-4o Realtime Deprecated

OpenAI Voice and realtime Oct 1, 2024

GPT-4o Realtime is a model from OpenAI, listed under Voice and realtime. It was released on Oct 1, 2024.

This model is scheduled for retirement. Plan a migration.

Headline price
No data
Context window
32k tokens
Max output
4k
Knowledge cutoff
Oct 2023

Current prices

No public API price
This model is distributed as open weights. Running cost depends on your own hardware.

Price history

No price change recorded for this model yet.

Alternatives

Same category, closest price, other providers first.

$0.0368 / minute

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$32.00 / 1M audio tokens

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$3.00 / 1M audio tokens

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$0.034 / minute

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1
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$0.05 / minute Sep 10, 2026
2
GPT-Audio-1.5 OpenAI
$32.00 / 1M audio tokens Feb 23, 2026
3
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4 $10.00 / 1M audio tokens No data
5 $0.034 / minute May 7, 2026
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Frequently asked questions

What is the context window of GPT-4o Realtime?

GPT-4o Realtime accepts up to 32k tokens per request. It can write up to 4k tokens in one response.

Is GPT-4o Realtime still available?

It still works, but it is deprecated: OpenAI plans to retire it.

When was GPT-4o Realtime released?

GPT-4o Realtime was released in Oct 1, 2024.

What is the API model ID for GPT-4o Realtime?

Use gpt-4o-realtime-preview when calling the OpenAI API.

What are the alternatives to GPT-4o Realtime?

Models in the same category at a similar price include Gemini 3.5 Live Translate (Google), GPT-Audio-1.5 (OpenAI), Gemini 3.8 Live (Google) and GPT-Realtime-Translate (OpenAI).