gpt-3.5-turbo-instruct shut down on 2026-09-28 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-terra. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-5.6-terra costs $44 a month, higher than $19 for gpt-3.5-turbo-instruct.
Model page · Is gpt-3.5-turbo-instruct being deprecated? · OpenAI · Deadlines
gpt-3.5-turbo-instruct shut down on 2026-09-28 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-terra. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-5.6-terra costs $44 a month, higher than $19 for gpt-3.5-turbo-instruct.
The official status is retired. gpt-3.5-turbo-instruct shut down on 2026-09-28 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-terra.
The official replacement is gpt-5.6-terra.