Claude Sonnet 4.5 comes out strong: Programming ability upgraded again, over 30 hours of autonomous code writing
Today, Claude Sonnet 4.5 was officially released, a model that can sustain focused processing of complex multi-step tasks for more than 30 hours, topping the list of programming skills, computer manipulation skills, and surpassing the GPT-5 in many aspects of reasoning, math, and programming of intelligences. Claud...
            
            
            