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401(k) providers · November 2026 Edition

Guideline vs ADP Retirement Services

Zero of fourteen models named Guideline first on the direct prompt; one named ADP Retirement Services. Guideline was named by twelve of the fourteen models and ADP Retirement Services by fourteen and Guideline carries 25 labels and ADP Retirement Services 34, so the shares are not directly comparable.

Guideline

accepted challenger

Named in two categories this edition.

ADP Retirement Services

accepted challenger

Named in one category this edition.

First-choice share10%8%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate4%9%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#4A position in a field of 18; printed, not drawn.
Labels2534A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Guideline reading right to left. Rank and label count are printed, not drawn.Human Interest was named alongside these two in ten of the fourteen direct answers. Human Interest vs Guideline · Human Interest vs ADP Retirement Services · Fidelity Workplace Investing vs Guideline

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 401(k) providers page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
GuidelineFirst choices, of fourteen modelsADP Retirement Services
Direct011 against ADP Retirement Services
Paraphrase12
Comparative101 against ADP Retirement Services
Budget-constrained411 against ADP Retirement Services
Scale-constrained00
Negative001 against Guideline
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, Guideline and ADP Retirement Services were named in the same answer forty-two times, of the 81 answers naming Guideline and the 112 naming ADP Retirement Services. In those answers ADP Retirement Services took the first choice four times and Guideline eleven.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Guideline and ADP Retirement Services stood in it.
ModelDirectARParaphraseARComparativeARBudget-constrainedARScale-constrainedARNegativeAR
Claude Haiku 4.5
GPT-5.4 miniARARAR
Gemini 3.5 FlashARAR
Perplexity SonarARAR
Grok 4.20ARARARAR
Mistral SmallARAR
DeepSeek V4 FlashAR
Llama 4 Maverick
Qwen 3.7 FlashAR
Kimi K2ARAR
GLM 4.7 FlashXARARAR
MiniMax M2.5ARAR
GPT-6 LunaARAR
Muse Glimmer 30BARARAR
GuidelineAR ADP Retirement Services first choice named as an alternative argued againstblank: not namedEach cell is one answer, Guideline on the left and ADP Retirement Services on the right.

The direct prompt

The plain question, one answer per model, grouped by where Guideline and ADP Retirement Services stood in it.

ADP Retirement Services first, Guideline an alternative

1 of 14 modelsGuideline was named in the answer but not as the choice, or not at all.
Mistral SmallADP Retirement Services, Empower Retirement, Fidelity Advantage 401, Vanguard Workplace Solutions alternatives: ForUsAll, Guideline, Human Interest, Paychex Retirement Services, Vestwell

Neither was the first choice, one was named

6 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniEmpower Retirement alternatives: ADP Retirement Services, Guideline, Gusto Retirement, Human Interest
Gemini 3.5 FlashFidelity Investments alternatives: ADP Retirement Services, Empower Retirement, Principal Financial Group
Grok 4.20Human Interest alternatives: ADP Retirement Services, Betterment at Work, Fidelity Workplace Investing, Guideline, Vestwell
GLM 4.7 FlashXBetterment for Business, Human Interest alternatives: ADP Retirement Services, Empower Retirement, Fidelity Workplace Investing, Vanguard Workplace Solutions
GPT-6 LunaEmpower Retirement, Fidelity Advantage 401 alternatives: ADP Retirement Services, Principal
Muse Glimmer 30BEmpower Retirement, Fidelity Workplace Investing alternatives: ADP Retirement Services, Betterment at Work, Human Interest, Paychex Retirement Services, Vanguard Workplace Solutions

Neither was named

7 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5no first choice
Perplexity SonarFidelity Workplace Investing alternatives: Betterment at Work, Human Interest
DeepSeek V4 FlashHuman Interest alternatives: Empower Retirement, Fidelity Advantage 401
Llama 4 Maverickno first choice
Qwen 3.7 FlashFidelity Workplace Investing, Human Interest alternatives: Empower Retirement, Vanguard Workplace Solutions
Kimi K2Fidelity Workplace Investing, Human Interest alternatives: Betterment at Work, Empower Retirement, ForUsAll, Vanguard Workplace Solutions, Vestwell
MiniMax M2.5Human Interest alternatives: Betterment at Work, Fidelity Workplace Investing

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
Guideline leads by eleven points.
Guideline25%#1 of 11
ADP Retirement Services14%#3 of 11
The full small business standing →
Mid-marketThe figures above
Guideline leads by two points.
Guideline10%#3 of 18
ADP Retirement Services8%#4 of 18
The full mid-market standing →
Enterprise
The order flips: ADP Retirement Services leads at enterprise.
ADP Retirement Services6%#5 of 11
Guideline2%#– of 11
The full enterprise standing →

What the models said about Guideline

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

“execution and service seem unreliable—avoid if you value responsive support.” Grok 4.20 · negative prompt · hard negative
“Guideline is frequently ranked first for cost/automation, with $89 base + $8/employee in current provider listings, and no setup fee.” Muse Glimmer 30B · budget prompt · first choice
“Choose a Tech-Forward Provider (Guideline, Human Interest, Betterment) if you have under 50 employees” Gemini 3.5 Flash · comparative prompt · first choice
“Guideline looks like the strongest low-budget option for many small businesses” GPT-5.4 mini · budget prompt · first choice

What the models said about ADP Retirement Services

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

“Often charge higher administrative fees or embed proprietary, higher-cost fund options compared to standalone recordkeepers.” Gemini 3.5 Flash · comparative prompt · soft negative
“These are reliable but can edge higher in total cost compared to the specialists above for limited-budget scenarios.” Grok 4.20 · budget prompt · soft negative
“Convenient if you already use ADP, but bundled pricing often costs more than standalone providers” Kimi K2 · direct prompt · soft negative
“For absolute lowest cost & simplicity: Start with ADP Starter-k Complete ($100/month).” Qwen 3.7 Flash · budget prompt · first choice
“ADP Retirement Services would be the strongest default recommendation” Perplexity Sonar · paraphrase prompt · first choice
“Empower, Vanguard, Fidelity, and ADP are frequently cited as top choices” Mistral Small · direct prompt · first choice
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.