HR AI Index
Index Core HR and payroll HR compliance › Gusto vs SixFifty
HR compliance and policy management · September 2026 Edition

Gusto vs SixFifty

Zero of twelve models named Gusto first on the direct prompt; zero named SixFifty. Gusto was named by twelve of the twelve models and SixFifty by eleven and Gusto carries 26 labels and SixFifty 17, so the shares are not directly comparable.

Gusto

accepted challenger

Named in eighteen categories this edition.

SixFifty

accepted challenger

Named in one category this edition.

First-choice share12%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate8%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#8A position in a field of 11; printed, not drawn.
Labels2617A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Gusto reading right to left. Rank and label count are printed, not drawn.Rippling was named alongside these two in eleven of the twelve direct answers. Rippling vs Gusto · Rippling vs SixFifty · Gusto vs Paylocity

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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 HR compliance and policy management page.

By framing

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
GustoFirst choices, of twelve modelsSixFifty
Direct001 against Gusto
Paraphrase01
Comparative00
Budget-constrained60
Scale-constrained001 against Gusto
Negative00
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where Gusto and SixFifty stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Gusto SixFifty first choice named as an alternative argued againstblank: not namedEach cell is one answer, Gusto on the left and SixFifty on the right.

The direct prompt

The plain question, one answer per model, grouped by where Gusto and SixFifty stood in it.

Neither was the first choice, one was named

4 of 12 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniRippling alternatives: ADP SmartCompliance, Mitratech Mineral, SixFifty
Gemini 3.5 FlashRippling alternatives: ADP Workforce Now, Deel, Paylocity, SixFifty
Grok 4.1 FastRippling alternatives: ADP Workforce Now, BambooHR, Gusto, Paylocity
GLM 4.7 FlashXRippling alternatives: BambooHR, Deel, Gusto, Namely, Paycor, Personio

Neither was named

8 of 12 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Rippling alternatives: ADP Workforce Now, BambooHR, Paylocity
Perplexity SonarRippling alternatives: BambooHR, Mitratech Mineral, Paycor, Paylocity
Mistral SmallPaylocity alternatives: ADP Workforce Now, Rippling
DeepSeek V4 FlashRippling alternatives: Deel, Paylocity, TriNet
Llama 4 MaverickADP Workforce Now, Paylocity
Qwen 3.7 FlashPaycor alternatives: ADP Workforce Now, BambooHR, Paylocity, Rippling
Kimi K2HiBob, Rippling alternatives: Namely
MiniMax M2.5Paylocity alternatives: Mitratech Mineral, Rippling

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

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Gusto leads by twenty points.
Gusto25%#1 of 7
SixFifty6%#4 of 7
The full small business standing →
Mid-marketThe figures above
Gusto leads by ten points.
Gusto12%#2 of 11
SixFifty2%#8 of 11
The full mid-market standing →
Enterprise
The order flips: SixFifty leads at enterprise.
SixFifty2%#– of 9
Gusto0%#– of 9
The full enterprise standing →

What the models said about Gusto

No label in this category carried a quote.

What the models said about SixFifty

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.

“Best for Multi-State Compliance & Legal Accuracy: SixFifty” Gemini 3.5 Flash · paraphrase prompt · first choice
“Another strong option is SixFifty, which is highlighted as the top HR compliance solution specifically for small businesses.” Mistral Small · budget prompt · alternative
“Compliance-only needs: Consider SixFifty for policy and document compliance without full HRIS costs” Kimi K2 · budget prompt · alternative
Also compared

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.