On 2026-07-24, @cursor_ai posted that Claude Opus 5 is now available in Cursor.
Claude Opus 5 is now available in Cursor! It matches Fable 5 on CursorBench (66.7 vs 66.5 at default effort) at half the price. Unlike Fable, it’s also compatible with Zero Data Retention.
What was announced
- Claude Opus 5 is now available in Cursor.
- It scores 66.7 on CursorBench versus Fable 5’s 66.5 at default effort.
- It is offered at half the price of Fable 5.
- It supports Zero Data Retention, unlike Fable.
Context
The announcement concerns the Cursor code editor and third-party models. No connection to Grok or xAI products is stated.
Limits of this report
This article is limited to the single source post. It contains no details on Grok, xAI, model performance beyond the quoted numbers, pricing specifics, or future plans.