JustworksBuild your business. Run it on Justworks.
vs
OnPayPowerful people tech, backed by real experts
Comparison · Payroll · weekly run Nov 3
Justworks 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 5.1 for Justworks, and ranks ahead in 67% of the answers that name both.
Choose Justworks if…
- You want a lower entry price ($8 vs $15)
- You need IRS CPEO certification (2017) or ESAC accreditation (2020) coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
- Co-employment PEO model for HR and compliance
Choose OnPay if…
- You want the brand AI engines rank higher (22.2 vs 5.1)
- AI answers describe it more positively (54% vs 30% positive)
- Transparent flat-fee pricing
- Free trial with full access
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Justworks | OnPay |
|---|---|---|
| Visibility score | 5.1% | 22.2% |
| Change vs last week | New | New |
| Rank in Payroll | #18 | #5 |
| Share of voice | 2.2% | 5.9% |
| Mentions this run | 10 | 27 |
| Positive in AI answers | 30% | 54% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Justworks 0pp · OnPay 0pp over 0 weekly runs.
Engine by engine
OnPay leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
JustworksOnPay
Head to head in AI answers
6 engine answers name both brands
2Justworks ranked higher
4OnPay ranked higher
| Prompt | Engine | Justworks | OnPay |
|---|---|---|---|
| What are the best payroll tools in 2026? | Perplexity | #8 | #5 |
| Best payroll platform for startups | ChatGPT | #4 | #5 |
| Best payroll platform for startups | AI Mode | #5 | #6 |
| Compare the leading payroll platforms | Perplexity | #15 | #2 |
| Alternatives to the most popular payroll platform | Perplexity | #8 | #4 |
| Which payroll platform has transparent pricing? | AI Mode | #5 | #3 |
Features, pricing & fit
| Dimension | Justworks | OnPay |
|---|---|---|
| Pricing model | Per seat | Per seat |
| Entry price | $8 per seat / mo | $15 per seat / mo |
| Free plan | No | No |
| Onboarding fee | Included | Included |
| Deployment | SaaS | Cloud-based |
| Integrations | 30+ | — |
| Compliance | IRS CPEO certification (2017), ESAC accreditation (2020) | — |
| Support | 24/7 support, Phone support, Chat support, Dedicated HR consulting | Phone, Chat, Email, Live HR support |
| Founded | 2013 | — |
| Headquarters | New York City, NY | Atlanta, GA, USA |
| Employees | 1,001–5,000 | 51–200 |
| Funding | Series B · $130M raised | Series B |
| Best for | Small businesses that want payroll, benefits, HR and compliance in one platform, with human support. | Small businesses, and accounting firms that run payroll for their clients |
Plans side by side
Justworks
Payroll$8per employee per month, plus $50/month base fee
PEO Basic$79per employee per month, no base fee
PEO Plus$124per employee per month, no base fee
Global EOR$599per employee per month, no base fee
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
Justworks
- Co-employment PEO model for HR and compliance
- Enterprise-grade health insurance for small companies
- Published per-employee pricing tiers
- Outsourced HR administration
- Strong shortlist option for payroll and HR
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, “Justworks vs OnPay”, https://slateindex.ai/compare/justworks-vs-onpay, data of Nov 3, 2026. Licence: CC BY 4.0.