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Payroll · Head to head

Gusto vs OnPay

Both products compete in Payroll. Payroll software calculates and processes employee pay — applying tax withholding, garnishments, deductions, and direct deposit — and manages the ongoing compliance obligations that come with it: quarterly filings, year-end W-2 and 1099 generation, new hire reporting, and multi-jurisdiction tax remittance. Employers use it to pay employees accurately and on time while transferring regulatory compliance liability to a vendor. Here are the facts the B4 Index maintains on each, side by side.

The two files, side by side

What it is
SMB payroll leader, excellent UX, full-service
Cloud payroll and basic HR for US small businesses including multi-state employers
Pricing
$40-80/month + $6-12/person
$49/mo base + $6/employee/mo
Categories served
Payroll, Core HRIS, Learning Management System (LMS)
Payroll
Status
Active
Active · verified June 2026

The decision underneath the comparison

Choosing between Gusto and OnPay assumes you're buying Payroll at all. That's the prior question, and the B4 Index scores it on two axes: how much Payroll differentiates you, and how far AI has come at building it. Read the build-versus-buy considerations for Payroll before you shortlist either product.

Vendor facts are maintained independently of any B4 verdict and re-verified on a monthly liveness check. See the full methodology.