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gpt-4o-realtime

gpt-4o-realtime is an AI model made by OpenAI. OpenAI released it on 1 October 2024. It is deprecated. It takes text, audio and returns text, audio.

OpenAI

gpt-4o-realtime is an AI model made by OpenAI. OpenAI released it on 1 October 2024. It is deprecated. It takes text, audio and returns text, audio. Its context window is 32,000 tokens. Its longest answer is 4,096 tokens. Its knowledge cutoff is 1 October 2023.

Released
1 October 2024 — openai.com, read 19 October 2026
Status
Deprecated — developers.openai.com, read 19 October 2026
Takes
Text, Audio — developers.openai.com, read 19 October 2026
Returns
Text, Audio — developers.openai.com, read 19 October 2026
Open weights
Not confirmed: The maker's pages reviewed do not state whether this model's weights are open.
Licence
Not confirmed: The maker's pages reviewed do not name a licence for this model.
Context window
32,000 tokens — developers.openai.com, read 19 October 2026
Longest answer
4,096 tokens — developers.openai.com, read 19 October 2026
Knowledge cutoff
1 October 2023 — developers.openai.com, read 19 October 2026
API price, input
Not confirmed: The maker prints separate input prices for text tokens and audio tokens, rather than one standard input price per 1M tokens for this field.
API price, output
Not confirmed: The maker prints separate output prices for text tokens and audio tokens, rather than one standard output price per 1M tokens for this field.
Where
API — developers.openai.com, read 19 October 2026
Parameters
Not confirmed: The maker's pages reviewed do not publish a parameter count for this model.
Model card
https://developers.openai.com/api/docs/models/gpt-4o-realtime-preview — developers.openai.com, read 19 October 2026

Questions

When was gpt-4o-realtime released?

OpenAI released gpt-4o-realtime on 1 October 2024.

Is gpt-4o-realtime still available?

It is deprecated: OpenAI has announced the date it will retire it.

What is the context window of gpt-4o-realtime?

The context window of gpt-4o-realtime is 32,000 tokens, as OpenAI prints it.

What does gpt-4o-realtime take and return?

gpt-4o-realtime takes text, audio and returns text, audio.

What is the knowledge cutoff of gpt-4o-realtime?

The knowledge cutoff of gpt-4o-realtime is 1 October 2023.

More from OpenAI

Sources

  1. Deprecations (read 19 October 2026)
  2. GPT-4o Realtime Model (read 19 October 2026)
  3. Introducing the Realtime API (read 19 October 2026)

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