Top AI tax preparer agents
The top AI tax preparer agents on The Agent Benchmark are Numeral (6.1 of 10), Sphere (4.9) and TaxGPT (3.2), of 7 ranked. Data as of 3 Oct 2026.
An AI tax preparer prepares tax returns and tax filings, or researches tax questions, for people or companies.
- Ranked agents
- 7
- in Finance
- Median score
- 2.7
- of 10
- From YC
- 7
- none from outside YC
Ranked tax preparer agents
All 7, best score first. The score adds public proof, scale, momentum and autonomy; it is not a hands-on test. How scoring works
- 1
NumeralW23The AI-native sales tax solution.Proof2Scale10Momentum5Autonomy8Score6.1 - 2
SphereW22AI-powered sales tax, VAT and GST complianceProof3Scale6Momentum5Autonomy6Score4.9 - 3
TaxGPTS24AI tax assistant for professionals and businessesProof0Scale6Momentum2Autonomy6Score3.2 - 4
OnshoreW23AI for corporate taxProof0Scale6Momentum0Autonomy6Score2.7 - 5
MagneticS25AI Tax Preparer for CPA firmsProof0Scale4Momentum2Autonomy6Score2.6 - 6
Rima AI (formerly Garage)S22Document and spreadsheet automation for accountantsProof0Scale3Momentum3Autonomy6Score2.6 - 7
Cranston AIF25AI Tax prep and accounting software for CPA firmsProof0Scale1Momentum0Autonomy6Score1.2
Can agents do this job?
Some tasksin finance and accounting
Public benchmarks cover 34% of the work in this job family (4 benchmarks). About the job, not one agent.
Source: Can Agents Work?
Data as of 3 Oct 2026. The score uses public evidence only. Read the methodology · Missing an agent? Submit it