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TaxEval v2

Frontier

A Vals-created set of questions and responses to tax questions

Publisher
Vals AI
Domain
Finance
Published
Jun 2026

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Attribution

Leaderboard scores
Vals AI
Attribution policy →

Top score 77.7% by Muse Spark - 88 models reporting (45 frontier)

Score history

79
25%44%63%81%100%Feb 24Aug 24Feb 25Aug 25Feb 26Mistral Small (Feb '24)GPT-4o-miniGPT-4oGrok 3Claude Opus 4.6Muse Spark

Top models

88
TaxEval v2Bar chart with 21 bars. Highest value: Muse Spark at 77.7.
21 models

FAQ

What is TaxEval v2?
A Vals-created set of questions and responses to tax questions
What is the current top score on TaxEval v2?
The top reported score is 77.7% by Muse Spark, across 88 models reporting (45 from frontier labs).