Claude Haiku 5.5 effort guide: ★ XHigh recommended, ability and cost by effort

Claude Haiku 5.5 (Anthropic): the recommended effort is ★ XHigh, ability 38.6 at $0.487 per reference coding task. One step up to Max: +2.5 ability for ×2.55 the cost.

Ability, cost and time at each effort

Claude Haiku 5.5 · Anthropic · ★ XHigh

EffortAbilityvs ★Cost / taskCost ×Time ×
Low18.8-19.7$0.100×0.21×0.45
Med27.2-11.4$0.179×0.37×0.54
High32.4-6.2$0.299×0.61×0.71
★ XHigh38.6—$0.487×1.00×1.00
Max41.1+2.5$1.24×2.55×3.37

Cost is the API cost of one reference coding task; cost × and time × are relative to the ★ recommended effort. Open in the effort console

In Anthropic's lineup

Cheapest

Where to use it

Other models from this maker: Claude Fable 5.1 · Claude Opus 5.5 · Claude Sonnet 5.5

Data published 2026-10-15 11:33 UTC · All data is also available through the public API