Anthropic releases Claude Opus 5.5, matching Fable 5.1 performance at 40% lower cost

Core summary

One sentence to understand this update

Anthropic has launched Claude Opus 5.5, the first model in the new Claude 5.5 family, which delivers performance comparable to Claude Fable 5.1 for most tasks while costing 40% less than Opus 5.

Impact & opportunity

What this could mean

Builders can now access top-tier model performance at a significantly reduced cost, enabling more ambitious and budget-friendly AI projects.