Developer Tools
1 September 2026
Claude Fable 5.1 Sets a CursorBench Record
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New-ZZZ desk
X @cursor_ai · 1 day ago
The Claude Fable 5.1 model is now available to Cursor users. In the CursorBench 3.2 test, it achieved the best result among the models evaluated by the company—73.4% at the maximum level of computational effort.
Cursor’s developers note that the model is particularly good at double-checking its own solutions. This helps it independently complete complex programming tasks from start to finish.
Why it matters
- —The model achieved the best result among the solutions tested by Cursor on CursorBench 3.2.
- —Its ability to double-check its own work improves the reliability of autonomously solving complex programming tasks.
Key facts
- Claude Fable 5.1 is now available in Cursor.
- The model scored 73.4% on CursorBench 3.2 at maximum compute effort.
- Cursor highlights the model's ability to verify its own work.
- The model is designed to complete complex programming tasks from start to finish.
The full text is in the original source. Here we provide a brief summary and key facts.