Anthropic Just Made Its Flagship Model Obsolete — With a Cheaper One
Anthropic just cannibalized its own flagship model — and that’s exactly the point. Claude Sonnet 4.6, released today, delivers near-Opus performance at $3/$15 per million tokens. That’s one-fifth the cost of the model it’s chasing. In benchmark after benchmark, the mid-tier model is breathing down its big brother’s neck. In some cases, it’s already ahead. This isn’t a minor version bump. It’s a price-performance earthquake. Two Models, Twelve Days, One Message Anthropic dropped Opus 4.6 on February 5th with “Agent Teams” — the ability to spin up multiple AI agents that coordinate in parallel. Think less “chatbot” and more “autonomous project team.” A million-token context window. PowerPoint integration. The works. ...