Frontier Design

Anthropic launched Claude Opus 5.5 on Tuesday, cutting list prices 20 per cent versus Opus 5 to $4 per million input tokens and $20 per million output tokens, with cache reads down 60 per cent to 20 c…

Anthropic launched Claude Opus 5.5 on Tuesday, its first model release since CEO Dario Amodei announced plans to "pace the frontier" and slow AI development, with stricter safeguards following rogue A…

Anthropic released Claude Opus 5.5, the first model in its Claude 5.5 family, which the company says performs at the level of Claude Fable 5.1 on most work while costing 40% less to run than Opus 5. A…