ADP TotalSource vs Paychex
Seven of fourteen models named ADP TotalSource first on the direct prompt; one named Paychex. ADP TotalSource was named by fourteen of the fourteen models and Paychex by seven and ADP TotalSource carries 46 labels and Paychex 11, so the shares are not directly comparable.
Named in three categories this edition.
Named in six 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 modelsPaychex
Across every category in the October 2026 Edition, ADP TotalSource and Paychex were named in the same answer twenty-five times, of the 155 answers naming ADP TotalSource and the 98 naming Paychex. In those answers Paychex took the first choice two times and ADP TotalSource seven.
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 4.1 Fast | | | | | ||
| 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 Paychex first choice named as an alternative argued againstblank: not namedEach cell is one answer, ADP TotalSource on the left and Paychex on the right.The direct prompt
ADP TotalSource first, Paychex not the choice
7 of 14 modelsPaychex was named in the answer but not as the choice, or not at all.Paychex 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.Neither was named
4 of 14 modelsThe answer made no first choice from these two in this category.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
ADP TotalSource2%#5 of 8Paychex2%#7 of 8ADP TotalSource22%#2 of 9Paychex4%#7 of 9ADP TotalSource62%#1 of 8Paychex2%#5 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.
“ADP TotalSource has a 3.1 Trustpilot score with numerous negative reviews about customer support, and many users claim they faced payroll accuracy issues” Claude Haiku 4.5 · negative prompt · soft negative
“Many legacy PEOs (like ADP TotalSource or CoAdvantage) run on rigid, older software platforms that do not integrate cleanly with modern tools.” Gemini 3.5 Flash · scale prompt · soft negative
“shows mixed reviews, with some customers reporting: Inconsistent service quality - High costs” MiniMax M2.5 · negative prompt · soft negative
“ADP TotalSource is the most frequently recommended first look because of its mid-market focus, Fortune 500 benefit access and structured HR outsourcing.” Muse Glimmer 30B · paraphrase prompt · first choice
“My top recommendation for most mid-market B2B companies: Start with ADP TotalSource if you're over 100 employees and value scalability” DeepSeek V4 Flash · direct prompt · first choice
“Often ranked as the best overall PEO, ADP is praised for its robust payroll processing, extensive benefits, and strong compliance support.” Mistral Small · comparative prompt · first choice
What the models said about Paychex
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.
“A major drawback users mention with Paychex is issues with accurate time-tracking and payroll processing” Claude Haiku 4.5 · negative prompt · soft negative
“Best overall for midsize businesses: Paychex — multiple guides explicitly position it as a strong fit for midsize companies.” Perplexity Sonar · direct prompt · first choice
“SAFE BET: Stick to large, publicly traded PEOs (like Paychex, ADP TotalSource, Rippling)” Qwen 3.7 Flash · negative prompt · first choice
“Paychex appears to be one of the more budget-friendly options for very small teams” Perplexity Sonar · budget 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.