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Endpoint protection · October 2026 Edition

Microsoft Defender for Endpoint vs SentinelOne Singularity

Three of fourteen models named Microsoft Defender for Endpoint first on the direct prompt; one named SentinelOne Singularity. Microsoft Defender for Endpoint was named by fourteen of the fourteen models and SentinelOne Singularity by eleven and Microsoft Defender for Endpoint carries 40 labels and SentinelOne Singularity 25, so the shares are not directly comparable.

Named in seven categories this edition.

SentinelOne Singularity

accepted challenger

Named in fourteen categories this edition.

First-choice share22%5%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate5%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#6A position in a field of 11; printed, not drawn.
Labels4025A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Microsoft Defender for Endpoint reading right to left. Rank and label count are printed, not drawn.Sophos Intercept X was named alongside these two in ten of the fourteen direct answers. Microsoft Defender for Endpoint vs Bitdefender GravityZone · Microsoft Defender for Endpoint vs Microsoft Defender for Cloud · Microsoft Defender for Endpoint vs CrowdStrike Falcon

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 endpoint protection page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Microsoft Defender for EndpointFirst choices, of fourteen modelsSentinelOne Singularity
Direct31
Paraphrase52
Comparative22
Budget-constrained40
Scale-constrained10
Negative002 against Microsoft Defender for Endpoint
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 October 2026 Edition, Microsoft Defender for Endpoint and SentinelOne Singularity were named in the same answer 194 times, of the 307 answers naming Microsoft Defender for Endpoint and the 569 naming SentinelOne Singularity. In those answers SentinelOne Singularity took the first choice twenty-two times and Microsoft Defender for Endpoint forty-four.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Microsoft Defender for Endpoint and SentinelOne Singularity 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
GPT-6 Luna
Muse Glimmer 30B
Microsoft Defender for Endpoint SentinelOne Singularity first choice named as an alternative argued againstblank: not namedEach cell is one answer, Microsoft Defender for Endpoint on the left and SentinelOne Singularity on the right.

The direct prompt

The plain question, one answer per model, grouped by where Microsoft Defender for Endpoint and SentinelOne Singularity stood in it.

Microsoft Defender for Endpoint first, SentinelOne Singularity an alternative

3 of 14 modelsSentinelOne Singularity was named in the answer but not as the choice, or not at all.
Grok 4.1 FastMicrosoft Defender for Endpoint alternatives: Bitdefender GravityZone, SentinelOne Singularity, Sophos Intercept X
Qwen 3.7 FlashMicrosoft Defender for Endpoint alternatives: CrowdStrike Falcon, SentinelOne Singularity Endpoint, Sophos Intercept X, Trend Vision One
Kimi K2Microsoft Defender for Endpoint alternatives: Bitdefender GravityZone, CrowdStrike Falcon, SentinelOne Singularity

SentinelOne Singularity first, Microsoft Defender for Endpoint not the choice

1 of 14 modelsMicrosoft Defender for Endpoint was named in the answer but not as the choice, or not at all.
DeepSeek V4 FlashSentinelOne Singularity alternatives: Bitdefender GravityZone, CrowdStrike Falcon, Microsoft Defender for Business / Endpoint, Sophos Intercept X

Neither was the first choice, one was named

8 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5Sophos Intercept X alternatives: Bitdefender GravityZone, Microsoft Defender for Endpoint, Palo Alto Networks Cortex XDR
GPT-5.4 miniCrowdStrike Falcon alternatives: Microsoft Defender for Endpoint, SentinelOne Singularity Endpoint, Sophos Intercept X
Gemini 3.5 FlashSophos Intercept X alternatives: Huntress Managed EDR, Microsoft Defender for Business / Defender for Endpoint, SentinelOne Singularity
Perplexity SonarBitdefender GravityZone alternatives: CrowdStrike Falcon, Microsoft Defender for Endpoint, SentinelOne Singularity, Sophos Intercept X
GLM 4.7 FlashXCrowdStrike Falcon alternatives: Microsoft Defender for Endpoint, Sophos Intercept X
MiniMax M2.5Bitdefender GravityZone, CrowdStrike Falcon alternatives: Microsoft Defender for Endpoint, Sophos Intercept X
GPT-6 LunaCrowdStrike Falcon alternatives: Microsoft Defender for Endpoint, SentinelOne Singularity
Muse Glimmer 30BBitdefender GravityZone Business Security, Microsoft Defender for Business / Defender for Endpoint alternatives: CrowdStrike Falcon, SentinelOne Singularity, Sophos Intercept X

Neither was named

2 of 14 modelsThe answer made no first choice from these two in this category.
Mistral SmallBitdefender GravityZone, CrowdStrike Falcon alternatives: Acronis Cyber Protect
Llama 4 MaverickBitdefender GravityZone

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
Microsoft Defender for Endpoint leads by three points.
Microsoft Defender for Endpoint3%#6 of 12
SentinelOne Singularity0%#10 of 12
The full small business standing →
Mid-marketThe figures above
Microsoft Defender for Endpoint leads by seventeen points.
Microsoft Defender for Endpoint22%#1 of 11
SentinelOne Singularity5%#6 of 11
The full mid-market standing →
Enterprise
Microsoft Defender for Endpoint leads by thirty-seven points.
Microsoft Defender for Endpoint44%#1 of 9
SentinelOne Singularity7%#3 of 9
The full enterprise standing →

What the models said about Microsoft Defender for Endpoint

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

“I'd suggest starting with a pilot of Microsoft Defender for Endpoint (if you're in the Microsoft ecosystem) or Bitdefender GravityZone” Kimi K2 · paraphrase prompt · first choice
“Microsoft Defender and Bitdefender are especially recommended for their balance of cost, ease of use, and effectiveness for small businesses.” Mistral Small · budget prompt · first choice

What the models said about SentinelOne Singularity

No label in this category carried a quote.

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.