| (o1-pro-2025-03-19) shuts down on 2026-10-23 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-sol. The published context window changes from 200,000 tokens on o1-pro-2025-03-19 to 1,050,000 tokens on gpt-5.6-sol.
| (o1-pro-2025-03-19) shuts down on 2026-10-23 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-sol. The published context window changes from 200,000 tokens on o1-pro-2025-03-19 to 1,050,000 tokens on gpt-5.6-sol.