en.tempo.co
Anthropic Launches Opus 5.5 After CEO Calls for Slower AI Development
Anthropic unveiled Claude Opus 5.5 on Tuesday, marking the first release in the new Claude 5.5 family and the company’s first major model launch since CEO Dario Amodei urged a slowdown in frontier AI development. The firm claims Opus 5.5 matches the performance of Claude Fable 5.1 on most tasks while cutting operating costs by roughly 40 percent compared with its predecessor, Claude Opus 5. Pricing is set at $4 per million input tokens and $20 per million output tokens, down from $5 and $25 respectively, [...]