gpt-5.1-chat-latest shut down on 2026-07-23 per OpenAI's deprecation page (checked 2026-10-17). 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 $80 a month, higher than $32.5 for gpt-5.1-chat-latest.
Model page · Is gpt-5.1-chat-latest being deprecated? · OpenAI · Deadlines
gpt-5.1-chat-latest shut down on 2026-07-23 per OpenAI's deprecation page (checked 2026-10-17). 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 $80 a month, higher than $32.5 for gpt-5.1-chat-latest.
The official status is retired. gpt-5.1-chat-latest shut down on 2026-07-23 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-sol.
The official replacement is gpt-5.6-sol.