Anthropic debuts Claude Opus 5 with feature that lets users toggle between cost and capability

Anthropic released Claude Opus 5 today, a new AI model it said is geared toward everyday business needs.

Amid growing concerns from enterprise customers about expensive AI bills, Opus 5 comes with a feature enabling users to toggle how much effort—low, medium, or high—the model expends completing a task or answering a prompt. The company said this will enables users to balance between cost and capability.Anthropic also said the model was easier to use than its predecessors, requiring less back and forth. It verifies its own work and recovers from errors without intervention. This is the fourth model Anthropic has released in less than two months, following Mythos 5, Fable 5, and Sonnet 5 in June.

Fable 5 is the controversial, powerful model the U.S. government temporarily imposed export controls on after Amazon researchers reported they could bypass its safeguards. In response, Anthropic took the model off the market on June 12, and then re-released it on June 30 after fortifying its security.

Business customers and developers also criticized Fable 5’s burn........

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