Anthropic Launches Claude Opus 5.5: Fable 5.1 Level Performance, 40% Cheaper

Core summary

One sentence to understand this update

Anthropic today launched Claude Opus 5.5, the first model in the Claude 5.5 family, which performs at the level of Claude Fable 5.1 for most tasks while costing 40% less to run than Opus 5.

Impact & opportunity

What this could mean

Developers can now access high-performance Claude models at a significantly lower cost, boosting application efficiency and reducing operational overhead.