CursorBench: Opus 5.5 medium beats Fable 5.1 max at ~6x lower cost and 68% fewer tokens
haider1 · x · 2026-09-23
On CursorBench 4.0, Claude Opus 5.5 (medium) edges out Fable 5.1 (max) 52.5% vs 51.8%, while costing $2.91 vs $17.28 per task and using 37.9k vs 117.2k tokens (68% fewer). The author calls the efficiency gap insane.
Related event: Opus 5.5 beats Fable 5.1 at one-sixth the per-task cost(2 posts)→
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