# Cursor Adds Claude Opus 5.5

The model leads CursorBench at 57.8% and costs 40% less per task than Opus 5.

## Why it matters

Cursor users can run tasks on Claude Opus 5.5 with higher benchmark accuracy and lower per-task costs.

## Sources

- [Cursor: Cursor Adds Claude Opus 5.5](https://x.com/cursor_ai/status/2102448392773435706)

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Summarized by dstilled on 2026-09-22. https://dstilled.ai/story/9d2a5ab9-d1db-459b-a1a0-a0f7224cd7f3