# Claude Fable 5 vs Muse Spark

Every finance benchmark where both have a score (Anthropic and Meta). Data refreshed 2 Nov 2026. Scores from different benchmarks use different scales and are not added up.

| Benchmark | Metric | Claude Fable 5 | Claude Fable 5 source | Muse Spark | Muse Spark source | Ahead |
| --- | --- | --- | --- | --- | --- | --- |
| PRBench Finance | weighted rubric score (0-100) (higher is better) | 53.9 | Scale Labs leaderboard, date not stated, https://labs.scale.com/leaderboard/prbench-finance | 52.4 | Scale Labs leaderboard, date not stated, https://labs.scale.com/leaderboard/prbench-finance | Claude Fable 5 |
| TaxEval v2 | accuracy % (v2) (higher is better) | 76.9 | Vals.ai TaxEval v2 leaderboard, 1 Sept 2026, https://www.vals.ai/benchmarks/tax_eval_v2 | 77.7 | Vals.ai TaxEval v2 leaderboard, 1 Sept 2026, https://www.vals.ai/benchmarks/tax_eval_v2 | Muse Spark |

Source: https://benchmarks.finance/compare/claude-fable-5-vs-muse-spark/

Created and maintained by Moneda.