Justworks vs Insperity
One of fourteen models named Justworks first on the direct prompt; zero named Insperity. Both were named by all fourteen models and Justworks carries 43 labels and Insperity 44, so the shares are not directly comparable.
Named in eleven categories this edition.
Named in five 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
JustworksFirst choices, of fourteen modelsInsperity
Across every category in the November 2026 Edition, Justworks and Insperity were named in the same answer seventy-nine times, of the 313 answers naming Justworks and the 134 naming Insperity. In those answers Insperity took the first choice three times and Justworks thirty-nine.
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 | | | | |
Justworks Insperity first choice named as an alternative argued againstblank: not namedEach cell is one answer, Justworks on the left and Insperity on the right.The direct prompt
Justworks first, Insperity not the choice
1 of 14 modelsInsperity was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
10 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
3 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
Justworks76%#1 of 7Insperity2%#5 of 7Justworks28%#2 of 7Insperity7%#5 of 7What 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
What the models said about Insperity
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Large enterprise-focused PEOs (like ADP TotalSource or Insperity) often require custom quotes and long contracts” Qwen 3.7 Flash · budget prompt · soft negative
“Insperity is the most frequently cited fit for 25–500 employees with hands-on support teams” Muse Glimmer 30B · paraphrase prompt · first choice
“my default recommendation would be TriNet or Insperity” GPT-5.4 mini · paraphrase prompt · first choice
“the default recommendation would be Insperity” Perplexity Sonar · paraphrase 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.