Based on 3 reviews
OpenAI's dedicated reasoning model that thinks deeply before answering, using internal chain-of-thought to tackle complex problems. Excels at math, science, and multi-step logical reasoning where careful deliberation outperforms quick responses. The wait time for its extended thinking is justified by significantly more reliable and accurate results.
Released
December 17, 2024
Parameters
Unknown
Context
200K
Pricing
Paid
Last updated: March 15, 2026
Benchmark scores may vary based on evaluation methodology and conditions.
o1 changed how I think about AI reasoning. The chain-of-thought approach makes complex problems tractable. Perfect for math, logic puzzles, and scientific analysis.
Great for algorithmic challenges and complex debugging. The thinking time is noticeable but the output quality justifies it. Not ideal for quick conversational tasks.
The reasoning capabilities are exceptional. For statistical analysis and experimental design, o1 produces answers I trust. The wait time is worth it.