Cursor said Claude Fable 5.1 is now available in the editor and is the strongest model it has run on CursorBench 3.2, scoring 73.4% at max effort. The post highlights strong self-verification, which helps it finish hard coding tasks end to end—an IDE-side landing the same day as the Fable 5.1 launch.

Key Takeaways

  • ✓Fable 5.1 is selectable inside Cursor.
  • ✓73.4% at max effort on CursorBench 3.2 is Cursor's strongest result so far.
  • ✓Self-verification makes it a fit for end-to-end hard coding tasks.
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Key Decision Metrics at a Glance

TL;DR Verdict
🏆 Benchmark RankRank
73.4% at max effort on CursorBench 3.2 is Cursor's strongest result so far.
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💰 Cost & PlansCompare
Claude 3.7 Sonnet (Hybrid Reasoning) · in: $3 / out: $15
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🛠️ Ecosystem & IDERules
Cursor Composer (Agent Mode)
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Up NextCursor adds DeepSeek V4.1 Flash: all four effort levels sit on the CursorBench 4.0 cost frontier, with Max scoring 47.7% at $0.98 per task
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