Agent Breaking Changes_

← Model deprecations

OpenAI Deprecations page changed: OpenAI

2026-10-24 · official page

Summary

• +Scheduled automations
• +Model catalogs
• -gpt-5.4-nano
• +gpt-5.4-nano | gpt-5.4-nano-2026-03-17
• -gpt-5.1

Full notes

+Scheduled automations
+Model catalogs
-gpt-5.4-nano
+gpt-5.4-nano | gpt-5.4-nano-2026-03-17
-gpt-5.1
+gpt-5.1 | gpt-5.1-2025-11-13
-gpt-4o-mini-tts-2025-03-20
+gpt-4o-mini-tts | gpt-4o-mini-tts-2025-03-20
-gpt-4o-mini-tts-2025-12-15
+gpt-4o-mini-tts | gpt-4o-mini-tts-2025-12-15
-gpt-4o-mini-transcribe
+gpt-4o-mini-transcribe | gpt-4o-mini-transcribe-2025-12-15
-gpt-realtime
+gpt-realtime | gpt-realtime-2025-08-28
-gpt-audio
+gpt-audio | gpt-audio-2025-08-28
-gpt-realtime-mini
+gpt-realtime-mini | gpt-realtime-mini-2025-12-15
-gpt-audio-mini
+gpt-audio-mini | gpt-audio-mini-2025-12-15
-gpt-5-2025-08-07
+gpt-5 | gpt-5-2025-08-07
-gpt-5-mini-2025-08-07
+gpt-5-mini | gpt-5-mini-2025-08-07
-gpt-5-nano-2025-08-07
+gpt-5-nano | gpt-5-nano-2025-08-07
-gpt-5-pro-2025-10-06
+gpt-5-pro | gpt-5-pro-2025-10-06
-o3-pro-2025-06-10
+o3-pro | o3-pro-2025-06-10
-gpt-image-1.5
+gpt-image-1.5 | gpt-image-1.5-2025-12-16
-To improve reliability and make it easier for developers to choose the right models, we are deprecating a set of older OpenAI models. Access to these models will be shut down on the dates below.
-We are also removing fine-tuned versions as below:
+On April 22, 2026, we announced the deprecation of the following older OpenAI models. Access to these models was shut down on October 23, 2026.
+The following fine-tuned versions were also shut down on October 23, 2026: