ADP TotalSource vs Justworks
Eleven of fourteen models named ADP TotalSource first on the direct prompt; one named Justworks. Both were named by all fourteen models and ADP TotalSource carries 50 labels and Justworks 43, so the shares are not directly comparable.
Named in five categories this edition.
Named in eleven categories this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the PEO providers page.
By framing
ADP TotalSourceFirst choices, of fourteen modelsJustworks
Across every category in the November 2026 Edition, ADP TotalSource and Justworks were named in the same answer 118 times, of the 191 answers naming ADP TotalSource and the 313 naming Justworks. In those answers Justworks took the first choice fifty-two times and ADP TotalSource twenty-five.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | ||||
| GPT-5.4 mini | | | | |||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | ||
| Grok 4.20 | | | | | | |
| Mistral Small | | | | | ||
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | | | |||
| Qwen 3.7 Flash | | | | | ||
| Kimi K2 | | | | | ||
| GLM 4.7 FlashX | | | | | ||
| MiniMax M2.5 | | | | | | |
| GPT-6 Luna | | | | | ||
| Muse Glimmer 30B | | | | |
ADP TotalSource Justworks first choice named as an alternative argued againstblank: not namedEach cell is one answer, ADP TotalSource on the left and Justworks on the right.The direct prompt
ADP TotalSource first, Justworks an alternative
11 of 14 modelsJustworks was named in the answer but not as the choice, or not at all.Justworks first, ADP TotalSource an alternative
1 of 14 modelsADP TotalSource was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
2 of 14 modelsThe answer put something else first and named one of the two as an alternative.Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
Justworks76%#1 of 7ADP TotalSource7%#4 of 7ADP TotalSource37%#1 of 7Justworks28%#2 of 7ADP TotalSource67%#1 of 8Justworks6%#4 of 8What the models said about ADP TotalSource
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“cite serious issues such as failure to submit employment taxes and state reports... Many former clients recommend switching to alternatives” Grok 4.20 · negative prompt · hard negative
“Multiple reports of payroll tax errors and filing mistakes” MiniMax M2.5 · negative prompt · hard negative
“Many others (e.g., TriNet, ADP TotalSource, Insperity, Paychex) require custom quotes, often resulting in $100–$150+ per employee/month” Grok 4.20 · budget prompt · soft negative
“Most businesses (small to enterprise) | Custom pricing | #1 market share (22.8%)... For most small/midsize businesses: ADP TotalSource or Paychex PEO” GLM 4.7 FlashX · comparative prompt · first choice
“ADP TotalSource and TriNet are top choices due to their scalability, industry expertise, and comprehensive service offerings” Mistral Small · direct prompt · first choice
“ADP TotalSource is widely considered the gold standard for mid-market companies transitioning away from smaller providers.” Qwen 3.7 Flash · direct prompt · first choice
What the models said about Justworks
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.
“Be cautious with: Tech-first or startup-oriented PEOs (e.g., Justworks, Rippling).” Gemini 3.5 Flash · negative prompt · soft negative
“Choose Justworks or Rippling if you have fewer than 50 employees, want a modern software interface, and desire transparent flat rates.” Gemini 3.5 Flash · comparative prompt · first choice
“Justworks is widely regarded as the best PEO (Professional Employer Organization) option for companies with a limited budget” Grok 4.20 · budget prompt · first choice
“Choose Justworks if you are a startup or small business wanting transparent pricing and a clean interface.” Qwen 3.7 Flash · comparative prompt · first choice
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.