Opus-5.5 is the model I have liked most since Opus-4.6. It’s the type of model that only comes out once a year or so: a clear leap above what was possible before, really great to talk to, and all around banger. A lot of people have been upset with how Anthropic is watermarking text, or pacing the frontier, or being all doom and gloom. But what they have built over there has been working. As someone who follows every new model release from every lab closely, I can confidently say they have…