Claude 2.1 is released with a leap in processing power, capable of handling content equivalent to 150,000 words. Accuracy has doubled, reducing false statements, making it a more reliable intelligent partner. It explores enterprise-level features, connecting to APIs, databases, and web services, providing flexibility and potential. A completely new online experience has launched, with the Claude Pro API tier catering to different user needs. An affordable pricing policy offers Pro users a monthly fee of only $20, attracting a wider user base.

AI Product Managers need to choose between different AI models based on their strengths and weaknesses. They should focus on improving speed and responsiveness through interactive design to enhance user experience. AI should provide efficiency for traditional businesses rather than being a standalone product. AI Product Managers should pay attention to APIs rather than the algorithms themselves. AI commercialization can be monetized through permissions or usage counts.

GPT-4's performance has declined, with an accuracy rate of only 95.2% on mathematical problems. Claude 2.0 is free and outperforms GPT-4. Claude 2 excels in coding and logical reasoning.