Anthropic Drops Claude Opus 5.5 as AI Giants Race to Deliver Frontier Power at Half the Cost

Anthropic launched Claude Opus 5.5, its latest flagship AI model, delivering performance comparable to its more powerful Claude Fable 5.1 while cutting running costs by 40% compared to its predecessor. Priced at $4 per million input tokens and $20 per million output tokens — a 20% reduction from Opus 5 — the model generates output over 30% faster and is optimized for agentic coding, computer use, and knowledge work. On the CursorBench 4.0 coding benchmark, Opus 5.5 scored...