Enterprise storage systems · November 2026 Edition
NetApp AFF vs Pure Storage FlashArray
Two of fourteen models named NetApp AFF first on the direct prompt; three named Pure Storage FlashArray. NetApp AFF was named by fourteen of the fourteen models and Pure Storage FlashArray by thirteen and NetApp AFF carries 57 labels and Pure Storage FlashArray 45, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
First-choice share15%13%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate16%11%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#3A position in a field of 10; printed, not drawn.
Labels5745A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, NetApp AFF reading right to left. Rank and label count are printed, not drawn.Dell PowerStore was named alongside these two in twelve of the fourteen direct answers. Dell PowerStore vs NetApp AFF · Dell PowerStore vs Pure Storage FlashArray · NetApp AFF vs HPE MSA Storage
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 enterprise storage systems page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
NetApp AFFFirst choices, of fourteen modelsPure Storage FlashArray
Direct231 against Pure Storage FlashArray
Paraphrase53
Comparative12
Budget-constrained002 against NetApp AFF · 1 against Pure Storage FlashArray
Scale-constrained00
Negative007 against NetApp AFF · 3 against Pure Storage FlashArray
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, NetApp AFF and Pure Storage FlashArray were named in the same answer ninety-nine times, of the 142 answers naming NetApp AFF and the 127 naming Pure Storage FlashArray. In those answers Pure Storage FlashArray took the first choice twenty-one times and NetApp AFF sixteen.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where NetApp AFF and Pure Storage FlashArray stood in it.
| 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 | | | |
NetApp AFF Pure Storage FlashArray first choice named as an alternative argued againstblank: not namedEach cell is one answer, NetApp AFF on the left and Pure Storage FlashArray on the right.The direct prompt
The plain question, one answer per model, grouped by where NetApp AFF and Pure Storage FlashArray stood in it.
NetApp AFF first, Pure Storage FlashArray an alternative
2 of 14 modelsPure Storage FlashArray was named in the answer but not as the choice, or not at all.Perplexity SonarNetApp AFF alternatives: Dell PowerStore, NetApp E-Series, Pure Storage FlashArray
MiniMax M2.5Dell Technologies PowerStore 9200T, NetApp AFF alternatives: HPE Alletra, IBM FlashSystem, Pure Storage FlashArray
Pure Storage FlashArray first, NetApp AFF an alternative
3 of 14 modelsNetApp AFF was named in the answer but not as the choice, or not at all.Gemini 3.5 FlashPure Storage FlashArray alternatives: Dell PowerStore, HPE Alletra, IBM FlashSystem, NetApp AFF
Grok 4.20Pure Storage FlashArray alternatives: Dell PowerStore, HPE Alletra, Infinidat InfiniBox, NetApp AFF
Qwen 3.7 FlashDell PowerStore, Pure Storage FlashArray alternatives: Infinidat InfiniBox, NetApp AFF
Neither was the first choice, one was named
7 of 14 modelsThe answer put something else first and named one of the two as an alternative.GPT-5.4 miniDell PowerStore alternatives: NetApp AFF
DeepSeek V4 FlashDell PowerStore alternatives: NetApp AFF, Pure Storage FlashArray
Llama 4 MaverickDell PowerStore alternatives: NetApp AFF, Pure Storage FlashArray
Kimi K2Dell PowerStore alternatives: HPE Alletra / Primera, NetApp AFF, Pure Storage FlashArray
GLM 4.7 FlashXDell PowerStore alternatives: HPE Alletra, Infinidat InfiniBox, NetApp AFF
GPT-6 LunaDell PowerStore alternatives: Everpure FlashArray, HPE Alletra, NetApp AFF
Muse Glimmer 30BDell PowerStore alternatives: NetApp AFF, Pure Storage FlashArray
Neither was named
2 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5no first choice
Mistral SmallDell PowerStore, HPE Alletra, Nimble alternatives: Hitachi Vantara Virtual Storage Platform (VSP) E Series, NetApp All-Flash FAS
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
Level: the same share of first choices.
NetApp AFF2%#6 of 10Pure Storage FlashArray2%#5 of 10Mid-marketThe figures above
NetApp AFF leads by two points.
NetApp AFF15%#2 of 10Pure Storage FlashArray13%#3 of 10Enterprise
The order flips: Pure Storage FlashArray leads at enterprise.
Pure Storage FlashArray36%#1 of 10NetApp AFF21%#2 of 10What the models said about NetApp AFF
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“some enterprise storage systems to avoid or be cautious about are: 1. NetApp AFF” Llama 4 Maverick · negative prompt · hard negative
“Often called "jack of all trades, master of none"... Expensive; some users report reliability niggles or ONTAP complexity.” Grok 4.20 · negative prompt · soft negative
“Be cautious with any "new price" deal on Dell/EMC, HPE, NetApp or IBM arrays that cannot be traced to factory-new stock” Muse Glimmer 30B · negative prompt · soft negative
“I'd recommend starting with NetApp AFF A400 or Dell PowerStore as they offer the best combination of enterprise features, manageability, and value” MiniMax M2.5 · direct prompt · first choice
“First Choice: NetApp AFF A400 — if you want the most mature, seamless hybrid cloud integration” MiniMax M2.5 · paraphrase prompt · first choice
“My default recommendation: NetApp AFF C-Series running ONTAP for a mid-sized B2B company” GPT-6 Luna · paraphrase prompt · first choice
What the models said about Pure Storage FlashArray
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“4. Pure Storage FlashArray” Llama 4 Maverick · negative prompt · hard negative
“Significantly more expensive upfront... Not ideal for every workload... Support is strong but can feel premium-priced.” Grok 4.20 · negative prompt · soft negative
“small businesses to avoid "true" enterprise arrays like Dell PowerStore, NetApp AFF, or Pure Storage” Mistral Small · negative prompt · soft negative
“Market position: #2 in all-flash market (~20%), fastest-growing ... Best for: Teams prioritizing operational simplicity and predictable costs” Kimi K2 · comparative prompt · first choice
“Why it's often the top pick for mid-market: Exceptional ease of use (minimal tuning required), strong data reduction, AI-driven management” Grok 4.20 · direct prompt · first choice
“Pure Storage (FlashArray//C or //X) is usually the favorite choice among mid-market sysadmins.” Gemini 3.5 Flash · 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.