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CursorBench 3.1
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Overview
CursorBench 3.1 evaluates AI agents on ambiguous, multi-file tasks based on real Cursor sessions, with scores indicating performance. Fable 5 Max achieved the highest score of 72.9%, while GPT-5.5 Extra High scored 64.3%.
Summary from cursor.com.
Reports
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cursor.com
CursorBench 3.1
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Community reactions
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Hacker News · cursor.com
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Based on 5 sampled comments from this thread. Analyzed 2026-07-02.
- Praise: Composer 2.5 shows promise by outperforming DeepSeek v4 Pro in the DeepSWE benchmark, indicating it has potential for specific use cases despite skepticism.
- Praise: Some users report that Composer 2.5 performs well for their tasks, suggesting it can be effective in certain scenarios, even if not universally praised.
- Concern: Cursor's benchmark claims Composer 2.5 is comparable to top models, but independent tests reveal it significantly lags behind, raising concerns about benchmark integrity.
- Concern: Users express frustration with Composer 2.5's critical reasoning abilities, indicating it struggles with complex problem-solving compared to other models.
- Concern: The cost structure and benchmarking axes used by Cursor are deemed unintuitive, which could mislead users about the model's true performance and value.