# Payroll software for small business buyers: what AI models recommend, September 2026

HR AI Recommendation Index, September 2026 Edition. Asked as "payroll software" and as "payroll provider", six framings each, to twelve models with search on, on behalf of a small B2B company. Page: https://hr-ai-index.com/core/payroll-software/smb/

**Standing:** Gusto leads with 57% of first choices; verdict clear leader. 42 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Gusto | 57% | 10% | 59 |
| 2 | Patriot Payroll | 29% | 5% | 40 |
| 3 | Rippling | 5% | 11% | 28 |
| 4 | OnPay | 2% | 0% | 44 |
| 5 | ADP RUN | 2% | 10% | 20 |
| 6 | QuickBooks Payroll | 0% | 23% | 39 |
| 7 | Square Payroll | 0% | 9% | 11 |
| 8 | SurePayroll | 0% | 40% | 10 |
| 9 | ADP | 0% | 56% | 18 |
| 10 | Paychex Flex | 0% | 57% | 21 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: ADP RUN, Gusto
- GPT-5.4 mini: Gusto; alternatives ADP RUN, QuickBooks Payroll, Rippling
- Gemini 3.5 Flash: Gusto; alternatives Deel, OnPay, QuickBooks Workforce, Remote
- Perplexity Sonar: Gusto; alternatives ADP RUN, OnPay, Patriot Payroll, QuickBooks Payroll
- Grok 4.1 Fast: Gusto; alternatives OnPay, Patriot Payroll, QuickBooks Payroll
- Mistral Small: Gusto; alternatives OnPay, Patriot Payroll
- DeepSeek V4 Flash: Gusto; alternatives OnPay, Patriot Payroll, QuickBooks Payroll
- Llama 4 Maverick: Gusto; alternatives OnPay, Patriot Payroll, QuickBooks Payroll
- Qwen 3.7 Flash: Gusto; alternatives Deel, QuickBooks Payroll, Remote, Rippling
- Kimi K2: Gusto, OnPay; alternatives Patriot Payroll, QuickBooks Payroll
- GLM 4.7 FlashX: BrightPay, Rippling; alternatives Gusto, Moneysoft PM100, Staffology
- MiniMax M2.5: Gusto; alternatives OnPay

## Sources the answers cite

63 of 72 answers came back with a source list, from 12 of 12 models. Sites named in the most answers:

- forbes.com: 49 answers, 59 citations
- fitsmallbusiness.com: 26 answers, 30 citations
- adp.com: 23 answers, 28 citations
- gusto.com: 20 answers, 37 citations
- pcmag.com: 19 answers, 19 citations
- technologyadvice.com: 19 answers, 19 citations
- onpay.com: 18 answers, 19 citations
- cnbc.com: 17 answers, 18 citations

Pages named in the most answers:

- https://forbes.com/advisor/business/software/best-payroll-services (47 answers)
- https://adp.com/resources/articles-and-insights/articles/t/the-best-payroll-software-providers-for-small-businesses.aspx (20 answers)
- https://fitsmallbusiness.com/best-payroll-software-reviews (19 answers)
- https://onpay.com/insights/best-small-business-payroll-software-picks (18 answers)
- https://pcmag.com/picks/best-payroll-services (18 answers)
- https://cnbc.com/select/best-payroll-services-small-business (17 answers)
- https://technologyadvice.com/payroll-software (17 answers)
- https://learn.g2.com/best-payroll-software (15 answers)
- https://patriotsoftware.com/payroll/best-payroll-software-for-small-businesses (12 answers)
- https://equalpaytoday.org/best-payroll-software-small-businesses (10 answers)

## Warned against

- Paychex Flex: 12 of 21 labels negative. "Here are the specific platforms to avoid and the reasons why:

### 1. Paychex ... frequently cited as a poor choice for small businesses" (GLM 4.7 FlashX, negative prompt)
- ADP: 10 of 18 labels negative. "Many small businesses report feeling trapped after signing. Consider only if you need enterprise-level features and have negotiating power." (Kimi K2, negative prompt)
- QuickBooks Payroll: 9 of 39 labels negative. "Who should avoid: Businesses with employees in multiple states... it's not a fully managed service despite the marketing." (DeepSeek V4 Flash, negative prompt)
- Paycor: 6 of 8 labels negative. "Who should avoid: Small businesses with 1–50 employees who don't have a dedicated HR person to fight billing disputes." (DeepSeek V4 Flash, negative prompt)

## Record

- Method: https://hr-ai-index.com/methodology/
- Raw judge labels and full responses: https://hr-ai-index.com/data/
- License: CC BY 4.0. Cite as HR AI Recommendation Index, September 2026 Edition, hr-ai-index.com.