Fidelity Advantage 401 vs Principal
One of fourteen models named Fidelity Advantage 401 first on the direct prompt; zero named Principal. Fidelity Advantage 401 was named by thirteen of the fourteen models and Principal by nine and Fidelity Advantage 401 carries 36 labels and Principal 13, so the shares are not directly comparable.
Named in one category this edition.
Named in one category 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 401(k) providers page.
By framing
Fidelity Advantage 401First choices, of fourteen modelsPrincipal
Across every category in the October 2026 Edition, Fidelity Advantage 401 and Principal were named in the same answer eighteen times, of the 107 answers naming Fidelity Advantage 401 and the 30 naming Principal. In those answers Principal took the first choice zero times and Fidelity Advantage 401 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 4.1 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 |
Fidelity Advantage 401 Principal first choice named as an alternative argued againstblank: not namedEach cell is one answer, Fidelity Advantage 401 on the left and Principal on the right.The direct prompt
Fidelity Advantage 401 first, Principal not the choice
1 of 14 modelsPrincipal was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
4 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
9 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
Fidelity Advantage 40111%#3 of 9Principal0%#– of 9Fidelity Advantage 4019%#5 of 12Principal2%#8 of 12Fidelity Advantage 40113%#2 of 11Principal2%#8 of 11What the models said about Fidelity Advantage 401
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“Fidelity – Highly rated for its broad investment lineup, transparent fees, strong digital tools, and education resources. It's a top choice” Mistral Small · direct prompt · first choice
“1. Fidelity Investments - Best for: Large and mid-sized companies; top-rated mobile app, zero-fee index funds (e.g., FZROX).” Grok 4.1 Fast · comparative prompt · first choice
“If it is Fidelity, Vanguard, Schwab, or Empower, you are in safe territory regarding platform security and customer service.” Qwen 3.7 Flash · negative prompt · first choice
What the models said about Principal
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Common Examples: *Transamerica, Principal, John Hancock, Voya, Equitable, and Lincoln Financial*.” Gemini 3.5 Flash · negative prompt · soft negative
“Principal or Fidelity if you want comprehensive features, broad investment options, and strong institutional support” Claude Haiku 4.5 · paraphrase prompt · first choice
“Principal Financial Group offers 401(k) recordkeeping mostly to small and mid-size businesses.” Claude Haiku 4.5 · direct prompt · alternative
“Want broad plan design options and employee engagement tools? Look at Principal.” GPT-5.4 mini · comparative prompt · alternative
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.