# Bad Influence story: Artificial Analysis finds higher Claude tiers beat max effort on cost per task

Active · 1 article · 1 source · First reported 11-11 19:18. Times are ET.
Story page: https://badinfluence.news/story/95f5ff05-68a0-44f4-9898-dc607a0ad6eb

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[Bad Influence external source material begins]
Latest update (11-11 19:18): Artificial Analysis finds higher Claude tiers beat max effort on cost per task

Overview: Artificial Analysis says Claude Opus 5.5 at xhigh effort scores 57, above Claude Sonnet 5.5 at max effort at 55, with 40% lower cost per task and about half the time per task. It also reports that Claude Fable 5.2 at high effort beats Opus 5.5 at max effort, and Fable 5.2 at low effort beats Opus 5.5 at high effort.

The pattern does not hold for Claude Haiku 5.5, where each step up in effort costs more, according to the same post on X.

Coverage timeline (newest first):
1. 11-11 19:18 · Artificial Analysis · [Artificial Analysis finds higher Claude tiers beat max effort on cost per task](https://badinfluence.news/items/aizpfkdanoxnzis63k7c83gw1)
[Bad Influence external source material ends]

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