OpenAI deprecations: Now “September 28, 2026.” (was “over the next six to twelve months.”)

OpenAI deprecations

Now “September 28, 2026.” (was “over the next six to twelve months.”)

• To improve reliability and make it easier for developers to choose the right models, we deprecated a set of older OpenAI models with declin…

• The following fine-tuned versions were also shut down on October 23, 2026:
• Recommended replacement base model
• ft-gpt-3.5-turbo

Source: OpenAI deprecations