ADP RUNPayroll, tax filing and basic HR for small businesses
vs
OnPayPowerful people tech, backed by real experts
Comparison · Payroll · weekly run Nov 3
ADP RUN vs OnPay
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
OnPay is the stronger AI pick in Payroll: it has a visibility score of 22.2 versus 12 for ADP RUN, and ranks ahead in 67% of the answers that name both.
Choose ADP RUN if…
- You prefer a larger, established vendor (5,000+ employees)
- reliable and highly rated
- robust compliance across all 50 states
- scalable for growth
Choose OnPay if…
- You want the brand AI engines rank higher (22.2 vs 12)
- AI answers describe it more positively (54% vs 50% positive)
- Transparent flat-fee pricing
- Free trial with full access
AI visibility side by side
Latest weekly run · Nov 3
| Metric | ADP RUN | OnPay |
|---|---|---|
| Visibility score | 12% | 22.2% |
| Change vs last week | New | New |
| Rank in Payroll | #11 | #5 |
| Share of voice | 4% | 5.9% |
| Mentions this run | 18 | 27 |
| Positive in AI answers | 50% | 54% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
ADP RUN 0pp · OnPay 0pp over 0 weekly runs.
Engine by engine
OnPay leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
ADP RUNOnPay
Head to head in AI answers
9 engine answers name both brands
3ADP RUN ranked higher
6OnPay ranked higher
| Prompt | Engine | ADP RUN | OnPay |
|---|---|---|---|
| What are the best payroll tools in 2026? | ChatGPT | #7 | #6 |
| Compare the leading payroll platforms | Perplexity | #9 | #2 |
| Alternatives to the most popular payroll platform | AI Mode | #8 | #5 |
| Alternatives to the most popular payroll platform | Perplexity | #5 | #4 |
| Which payroll platform offers a free trial? | ChatGPT | #7 | #1 |
| Which payroll platform offers a free trial? | Perplexity | #2 | #3 |
| Where can I sign up for a payroll platform? | ChatGPT | #2 | #6 |
| Where can I sign up for a payroll platform? | AI Mode | #2 | #5 |
| Where can I sign up for a payroll platform? | Perplexity | #5 | #3 |
Features, pricing & fit
| Dimension | ADP RUN | OnPay |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | $15 per seat / mo |
| Free plan | — | No |
| Onboarding fee | — | Included |
| Deployment | Cloud-based | Cloud-based |
| Support | Chat support | Phone, Chat, Email, Live HR support |
| Headquarters | Roseland, New Jersey (parent ADP) | Atlanta, GA, USA |
| Employees | 5,000+ | 51–200 |
| Funding | — | Series B |
| Best for | Small businesses with 1 to 49 employees | Small businesses, and accounting firms that run payroll for their clients |
Plans side by side
ADP RUN
Pricing not available.
OnPay
Payroll Essentials$49per month plus $6 per worker
HR$15per month plus $2 per worker
HR + Time Tracking$21per month plus $4 per worker
Bundled HR$71per month plus $1 per worker
Bundled HR + Time Tracking$81per month plus $4 per worker
Time Tracking$15per month plus $4 per worker
Pros and cons
Themes from the AI answers that mention each brand
ADP RUN
- reliable and highly rated
- robust compliance across all 50 states
- scalable for growth
- hands-off automated payroll
- free months promotional offer
OnPay
- Transparent flat-fee pricing
- Free trial with full access
- Unlimited pay runs
- Simple, easy starting point for small businesses
- Good value and budget-friendly
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “ADP RUN vs OnPay”, https://slateindex.ai/compare/adp-run-vs-onpay, data of Nov 3, 2026. Licence: CC BY 4.0.