Cursor (@cursor_ai) announced Claude Opus 5.5 is available in Cursor. Officially it is the new top model on CursorBench at 57.8% (Max) and costs about 40% less per task than Opus 5, wiring Anthropic’s same-day Opus 5.5 launch into a leading AI IDE.
Key Takeaways
- ✓Cursor integrates Claude Opus 5.5 day-one across Composer and Chat.
- ✓Sets a new high score on CursorBench (Max) at 57.8%, boosting multi-file editing precision.
- ✓Delivers ~40% lower cost per coding task with over 30% faster token generation.
Key Decision Metrics at a Glance
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Compare 40 dev plans & simulate token costs vs $20/mo subscriptions
Project Links & Resources
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Background & Developer Pain Points
As coding agents handle larger codebases, developers face steep cost barriers and token latency when using top-tier models. Cursor integrates Claude Opus 5.5 day-one to deliver frontier-tier reasoning with 40% lower operating costs.
Benchmark
& Performance On CursorBench (Max), Opus 5.5 sets a new record at 57.8%, proving superior reliability on multi-file refactoring, compiler diagnostics, and test-driven fixes.
Getting Started
Enable claude-opus-5-5 directly in Cursor Settings under Models.
Benchmark side-by-side against alternatives, or calculate monthly token cost vs subscription break-even.
Discussion & Comments
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