OpenAI has launched two new AI models, ChatGPT o1 Preview and o1 Mini, which enhance reasoning capabilities through advanced reinforcement learning techniques. The o1 models are designed to tackle complex problems in fields like science, coding, and mathematics, showing impressive results such as solving 83% of problems in a qualifying exam for the International Mathematical Olympiad, compared to only 13% by GPT-4. While o1 Preview is powerful in reasoning, it is also more costly and lacks some features present in previous models, such as web browsing. The o1 Mini offers a cost-effective alternative for developers needing advanced coding capabilities, costing 80% less than the o1 Preview. However, experts caution that while o1 models show improvements in specific areas, they may not provide widespread enhancements across all tasks. OpenAI's commitment to refining these models includes ongoing safety measures and potential future updates to enhance their capabilities further.