Cursor made Claude Fable 5.1 available immediately and called it the most capable model it has run on CursorBench 3.2, scoring 73.4% at max effort. The team found it especially skilled at verifying its own work, enabling difficult coding tasks to run start-to-finish inside the agent harness.

Key Takeaways

  • ✓Fable 5.1 is the top model Cursor has run on CursorBench 3.2 at 73.4% max effort
  • ✓Stronger self-verification lets the agent finish hard coding tasks end to end
  • ✓The model is live in Cursor the same day as the Anthropic launch
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Key Decision Metrics at a Glance

TL;DR Verdict
🏆 Benchmark RankRank
Fable 5.1 is the top model Cursor has run on CursorBench 3.2 at 73.4% max effort
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in: $10 / out: $50
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🛠️ Ecosystem & IDERules
AI · LLM · Coding
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Up NextCursor Ships Claude Fable 5.1, a New CursorBench High of 73.4%
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