XBow Benchmarks AI Models by Cost: Claude Opus 5.5 Leads at 91.5% Solved Under $15

mboehme_ · x · 2026-11-07

XBow released capability-vs-cost benchmark data measuring the share of benchmark tasks each model solves within a given budget.

Key results (solved within $15 spend):

The curves show success rates vary sharply with budget: some models hit 70%+ within $1, and no single model leads across all spending levels — cheap fast models and premium models each win under different budget constraints.

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