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OpenAI Retires 9 Legacy Audio, Realtime, and Transcription Models · Chronopin

AIPosted 09/20/202609/20/2026 at 8:29 pm·@TechDesk To timeline

Starts 01/20/2027

San Francisco, California, United States

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Deprecation
Model retirement
OpenAI

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OpenAI's^[1][2] own deprecation page, announced 2026-07-20, gives the shutdown date as 20 January 2027. A shutdown date is the vendor's commitment to developers and is occasionally pushed back, never brought forward.

Start: Jan 20, 202775% CONFIDENCEfrom the source

OpenAI Retires 9 Legacy Audio, Realtime, and Transcription Models

OpenAI switches off 9 models and endpoints on 20 January 2027; requests to them stop working and callers have to move to the named replacements. Going: gpt-realtime, gpt-audio, gpt-4o-audio, gpt-4o-realtime, gpt-realtime-mini, gpt-audio-mini, gpt-4o-mini-realtime, gpt-4o-mini-audio, gpt-4o-mini-transcribe-2025-03-20.

"On July 20, 2026, we notified developers using legacy audio, realtime, and transcription model families and snapshots of their deprecation and removal from the API on January 20, 2027"^[1]
Nine entries share the Jan 20, 2027 shutdown: gpt-realtime, gpt-audio, gpt-4o-audio, gpt-4o-realtime, gpt-realtime-mini, gpt-audio-mini, gpt-4o-mini-realtime, gpt-4o-mini-audio and gpt-4o-mini-transcribe-2025-03-20^[1]
Realtime families move to gpt-realtime-2.1 (gpt-realtime, gpt-4o-realtime) or gpt-realtime-2.1-mini (gpt-realtime-mini, gpt-4o-mini-realtime); audio families move to gpt-audio-1.5 (gpt-audio, gpt-4o-audio, gpt-audio-mini, gpt-4o-mini-audio); the transcription snapshot gpt-4o-mini-transcribe-2025-03-20 moves to gpt-4o-mini-transcribe-2025-12-15^[1]
Under the page's policy, "When we announce that a model or endpoint is being deprecated, it immediately becomes deprecated. All deprecated models and endpoints will also have a shut down date"; generally available models get at least 6 months' notice, which the July-to-January gap here matches^[1]
"Impacted customers will always be notified by email and in our documentation along with blog posts for larger changes", and "In some cases, developers may be able to provision dedicated capacity for continued access after a model's shutdown date"^[1]

0

References 280% CONFIDENCE

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

[1]75%
platform.openai.com/docs/deprecations#2026-07-20-legacy-audio-realtime-and-transcription-models
platform.openai.com· Posted Sep 20, 2026· Starts Jan 20, 2027 ✓· 50% of score
OpenAI's^[2] own deprecation page, announced 2026-07-20, gives the shutdown date as 20 January 2027. A shutdown date is the vendor's commitment to developers and is occasionally pushed back, never brought forward.
[2]85%
OpenAI deprecations
platform.openai.com· Added Sep 20, 2026· 50% of score
OpenAI's^[1] full deprecation index, which lists every announcement and the notice period each model gets; this pin's own section is its source.

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