TaxEval v2: leaderboard
A Vals-created set of questions and responses to tax questions.
Metric: Accuracy (%). Source: www.vals.ai. Status: saturation imminent. 145 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Muse Spark 1.2 (xHigh) | 80.38 |
| 2 | Muse Spark 1.1 (xHigh) | 79.72 |
| 3 | Muse Spark | 77.68 |
| 4 | Claude Sonnet 4.6 (Max) | 77.11 |
| 5 | Claude Fable 5 (Max) | 76.94 |
| 6 | GPT-5.6 Terra (xHigh) | 76.17 |
| 7 | GPT-5.6 Luna (Max) | 76.17 |
| 8 | Claude Fable 5.1 (Max) | 75.96 |
| 9 | Claude Opus 4.6 (Adaptive Reasoning, Max Effort) | 75.96 |
| 10 | Grok 3 | 75.88 |
| 11 | GPT-5.2 (xHigh) | 75.76 |
| 12 | Kimi K3 | 75.72 |
| 13 | Grok 4 Fast (Reasoning) | 75.7 |
| 14 | Claude Opus 4.8 (Max) | 75.63 |
| 15 | Claude Sonnet 5 (Max) | 75.63 |
Interactive version: theaggregate.ai/benchmark?slug=taxeval-v2 · How It Works · Data refreshed daily, snapshot 2026-09-05.