Extended detection and response · October 2026 Edition
Microsoft Defender XDR vs SentinelOne Singularity
Five of fourteen models named Microsoft Defender XDR first on the direct prompt; one named SentinelOne Singularity. Both were named by all fourteen models and Microsoft Defender XDR carries 61 labels and SentinelOne Singularity 51, so the shares are not directly comparable.
Named in seven categories this edition.
Named in fourteen categories this edition.
First-choice share40%8%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate15%10%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#4A position in a field of 10; printed, not drawn.
Labels6151A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Microsoft Defender XDR reading right to left. Rank and label count are printed, not drawn.Sophos Intercept X was named alongside these two in twelve of the fourteen direct answers. Microsoft Defender XDR vs Sophos Intercept X · Microsoft Defender XDR vs CrowdStrike Falcon Insight XDR · Microsoft Defender XDR vs Stellar Cyber Open XDR
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 extended detection and response 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 XDRFirst choices, of fourteen modelsSentinelOne Singularity
Direct51
Paraphrase63
Comparative40
Budget-constrained80
Scale-constrained20
Negative019 against Microsoft Defender XDR · 5 against SentinelOne Singularity
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 XDR and SentinelOne Singularity were named in the same answer 128 times, of the 201 answers naming Microsoft Defender XDR and the 569 naming SentinelOne Singularity. In those answers SentinelOne Singularity took the first choice four times and Microsoft Defender XDR forty-eight.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Microsoft Defender XDR and SentinelOne Singularity 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 | | | | | |
Microsoft Defender XDR SentinelOne Singularity first choice named as an alternative argued againstblank: not namedEach cell is one answer, Microsoft Defender XDR on the left and SentinelOne Singularity on the right.The direct prompt
The plain question, one answer per model, grouped by where Microsoft Defender XDR and SentinelOne Singularity stood in it.
Microsoft Defender XDR first, SentinelOne Singularity an alternative
5 of 14 modelsSentinelOne Singularity was named in the answer but not as the choice, or not at all.GPT-5.4 miniCrowdStrike Falcon Insight XDR, Microsoft Defender XDR alternatives: Palo Alto Networks Cortex XDR
Grok 4.20Microsoft Defender XDR alternatives: CrowdStrike Falcon Insight XDR, SentinelOne Singularity, Sophos Intercept X
GLM 4.7 FlashXMicrosoft Defender XDR alternatives: CrowdStrike Falcon Insight XDR, Palo Alto Networks Cortex XDR, SentinelOne Singularity, Sophos Intercept X
MiniMax M2.5Microsoft Defender XDR alternatives: CrowdStrike Falcon Insight XDR, Sophos Intercept X
GPT-6 LunaMicrosoft Defender XDR alternatives: CrowdStrike Falcon Insight XDR, Palo Alto Networks Cortex XDR
SentinelOne Singularity first, Microsoft Defender XDR not the choice
1 of 14 modelsMicrosoft Defender XDR was named in the answer but not as the choice, or not at all.Kimi K2SentinelOne Singularity, Sophos Intercept X alternatives: Microsoft Defender for Endpoint
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.Claude Haiku 4.5Sophos Intercept X alternatives: Microsoft Defender XDR, Rapid7 InsightIDR, SentinelOne Singularity
Gemini 3.5 FlashSophos Intercept X, Sophos MDR alternatives: Cynet 360 Auto XDR, Microsoft Defender for Business / Defender XDR, SentinelOne Singularity, Stellar Cyber Open XDR
Perplexity SonarSophos Intercept X alternatives: SentinelOne Singularity, Stellar Cyber Open XDR
DeepSeek V4 FlashSophos Intercept X alternatives: CrowdStrike Falcon Insight XDR, Microsoft Defender XDR, SentinelOne Singularity, Stellar Cyber Open XDR
Llama 4 MaverickSophos Intercept X, Stellar Cyber Open XDR alternatives: Microsoft Defender XDR
Qwen 3.7 FlashSophos Intercept X alternatives: Microsoft Defender XDR, SentinelOne Singularity
Muse Glimmer 30BSophos Intercept X, Stellar Cyber Open XDR alternatives: Bitdefender GravityZone XDR, Microsoft Defender XDR, Ontinue
Neither was named
1 of 14 modelsThe answer made no first choice from these two in this category.Mistral SmallSophos Intercept X alternatives: Stellar Cyber Open XDR
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 XDR leads by eighteen points.
Microsoft Defender XDR25%#1 of 11SentinelOne Singularity7%#5 of 11Mid-marketThe figures above
Microsoft Defender XDR leads by thirty-three points.
Microsoft Defender XDR40%#1 of 10SentinelOne Singularity8%#4 of 10Enterprise
Microsoft Defender XDR leads by forty-two points.
Microsoft Defender XDR44%#1 of 8SentinelOne Singularity2%#5 of 8What the models said about Microsoft Defender XDR
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“it is recommended to avoid buying into the full enterprise-grade Microsoft Defender XDR” Llama 4 Maverick · negative prompt · hard negative
“Microsoft documents that some Defender TVM tables are not ingested into Microsoft Sentinel, so queries can behave differently across platforms.” GPT-5.4 mini · negative prompt · soft negative
“its correlation capabilities deteriorate significantly if your environment isn't fully integrated into the Microsoft 365 and Azure ecosystem” Gemini 3.5 Flash · negative prompt · soft negative
“Microsoft Defender XDR is the most cost-effective entry into enterprise-grade XDR for organizations already running Microsoft 365.” Claude Haiku 4.5 · budget prompt · first choice
“I'd recommend starting with Microsoft Defender XDR if you're already in the Microsoft ecosystem, or CrowdStrike Falcon” MiniMax M2.5 · paraphrase prompt · first choice
“For a company on a tight budget, the best value is usually Microsoft Defender—especially if you already use Microsoft 365.” GPT-6 Luna · budget prompt · first choice
What the models said about SentinelOne Singularity
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. One of one in this category shown.
“overly aggressive blocking of legitimate tools... agent duplication issues have been reported in the management console during large-scale deployments” Claude Haiku 4.5 · negative prompt · soft negative
Also compared
Microsoft Defender XDR vs Sophos Intercept XMicrosoft Defender XDR vs CrowdStrike Falcon Insight XDRMicrosoft Defender XDR vs Stellar Cyber Open XDRSophos Intercept X vs SentinelOne SingularityCrowdStrike Falcon Insight XDR vs SentinelOne SingularitySentinelOne Singularity vs Stellar Cyber Open XDRAll ten head-to-head pages and the full XDR standing
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.