Anthropic released Claude Opus 5.5, the first model in its new Claude 5.5 family, delivering performance comparable to Claude Fable 5.1 while reducing operational costs by 40% and increasing output speed by over 30% compared to Opus 5. The model demonstrates significant improvements in code migration tasks, software optimization, safety benchmarks, and communication clarity, with pricing reduced 20% for standard tokens and 60% for cached tokens.
Anthropic released Claude Opus 5.5, the first model in the Claude 5.5 family, which matches Claude Opus 5.1 performance on most tasks while costing 40% less to run and offering lower per-token pricing with improved efficiency across all effort levels.