IIRC there's some reasoning in old Sonnet too, they're just expanding that. Perhaps that's part of why it was so good for a while. https://www.reddit.com/r/Cla

IIRC there's some reasoning in old Sonnet too, they're just expanding that. Perhaps that's part of why it was so good for a while. https://www.reddit.com/r/ClaudeAI/comments/1iv356t/is_sonnet_35_actually_a_pseudoreasoning_model/ https://www.reddit.com/r/ClaudeAI/comments/1iv356t/is_sonnet...