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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 80.4% by Muse Spark 1.2 - 118 models reporting (54 frontier)

Score history

108
25%44%63%81%100%Feb 24Sep 24Apr 25Nov 25Jun 26Mistral Small (Feb '24)GPT-4o-miniGPT-4oClaude Opus 4.6Muse Spark 1.1Muse Spark 1.2

Top models

118
TaxEval v2Bar chart with 21 bars. Highest value: Muse Spark 1.2 at 80.4.
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 80.4% by Muse Spark 1.2, across 118 models reporting (54 from frontier labs).