Claude Opus 5.5 Now Available, Matches Fable 5.1 Performance at Lower Cost

Core summary

One sentence to understand this update

Anthropic has released Claude Opus 5.5, the first in the Claude 5.5 family, offering performance comparable to Claude Fable 5.1 at a 40% lower operational cost than Opus 5.

Impact & opportunity

What this could mean

Builders can leverage Claude Opus 5.5 to achieve high-performance AI capabilities with significant cost savings, making advanced models more accessible for various applications.