# Tax Agent Bench

As of Nov 3, 2026, Tax Agent Bench (v1) is maintained by Vals AI. Metric accuracy (%). Ceiling 100. Saturation unknown. Contamination risk low.

Declared cadence: as Vals updates (checked daily). Catalog snapshots: 1, latest Nov 2, 2026.

## Categories

- Finance: secondary, weight 0.35

## Top 5

- Gemini 4 Carbon: 51.785
- Claude Fable 5.1: 49.194
- Claude Opus 5.5: 45.573
- Claude Opus 5: 45.548
- Gemini 4 Argon: 44.56

Source: https://www.vals.ai/benchmarks/tax_agent_bench