Claude Opus 5.5 Released: Matches Fable 5.1 Performance, 40% Cheaper

Core summary

One sentence to understand this update

Anthropic launched Claude Opus 5.5, the first in its new 5.5 family, offering performance on par with Claude Fable 5.1 while being 40% cheaper to run than its predecessor, Opus 5.

Impact & opportunity

What this could mean

This release provides developers with a powerful and more economical option for demanding AI tasks, allowing for higher performance at a reduced cost.