Breaking model

OpenAI shut down the gpt-4o-realtime-preview and gpt-4o-audio-preview models, including their mini versions, on May 7, 2026.

Took effect May 7, 2026 · models gpt-4o-realtime-preview, gpt-4o-realtime-preview-2025-06-03, gpt-4o-realtime-preview-2024-12-17, gpt-4o-mini-realtime-preview, gpt-4o-audio-preview, gpt-4o-mini-audio-preview

Reviewed against the vendor source on Sep 24, 2026 (AI-assisted review). Key facts are re-checked against the source daily.

What changes

Announced September 2025. Replacements: gpt-realtime-1.5 for gpt-4o-realtime-preview and its -2025-06-03 and -2024-12-17 snapshots, gpt-realtime-mini for gpt-4o-mini-realtime-preview, gpt-audio-1.5 for gpt-4o-audio-preview, and gpt-audio-mini for gpt-4o-mini-audio-preview.

Breaking: Calls fail after this date.

What to do

Switch to the listed replacements. For the mini models, skip gpt-realtime-mini and gpt-audio-mini: OpenAI shuts both down on January 20, 2027, replaced by gpt-realtime-2.1-mini and gpt-audio-1.5. If you still send the OpenAI-Beta: realtime=v1 header, that beta interface was removed on May 12, 2026. See OpenAI's beta-to-GA migration guide.

Strings to search for

gpt-4o-realtime-previewgpt-4o-realtime-preview-2025-06-03gpt-4o-realtime-preview-2024-12-17gpt-4o-mini-realtime-previewgpt-4o-audio-previewgpt-4o-mini-audio-preview

Source

https://developers.openai.com/api/docs/deprecations