o3 shuts down on 2026-12-11 per OpenAI's deprecation page (checked 2026-10-26). The official replacement is gpt-5.6-sol. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-5.6-sol costs $50 a month, higher than $36 for o3.
Model page · Is o3 being deprecated? · OpenAI · Deadlines
o3 shuts down on 2026-12-11 per OpenAI's deprecation page (checked 2026-10-26). The official replacement is gpt-5.6-sol. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-5.6-sol costs $50 a month, higher than $36 for o3.
The official status is deprecated. o3 shuts down on 2026-12-11 per OpenAI's deprecation page (checked 2026-10-26). The official replacement is gpt-5.6-sol.
The official replacement is gpt-5.6-sol.