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Opus 5.5 on medium effort beats Fable 5.1 on max effort on CursorBench
Opus 5.5 on medium effort scores 52.5% on CursorBench versus 51.8% for Fable 5.1 on max effort, at $2.91 per task against $17.28.
Matthew Miller
@matthewmilleraiArchived 2026.09.24Originally posted 2026.09.23
Matthew Miller @matthewmilleraiOriginally posted 2026.09.23
Opus 5.5 on medium effort is now better than Fable 5.1 on max effort. 52.5% vs 51.8% on CursorBench. $2.91/task vs $17.28/task. Anthropic's cheapest config is outscoring their most expensive model at 1/6th the cost. https://t.co/Ezh6c27wYt
x.com/matthewmillerai/status/2102444615668240861Archived 2026.09.24 01:48