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Guide · October 2026 Edition

Endpoint protection: what fourteen AI models recommend, and why, October 2026

Fourteen AI models were asked for endpoint protection platform six ways each, on behalf of a small, a mid-market and an enterprise B2B company: 252 answers, in which a judge labeled 86 products. Eight of them carry at least 10 labels and a first choice, and are ranked. This guide walks the top eight in the order the mid-market standing puts them, with what the models said for and against each, in their words. Microsoft Defender for Endpoint leads at 22% of first choices, and the standing is contested.

At a glance

The top eight of eight ranked products, mid-market standing. Share is the product's share of first choices; the negative rate is the share of its labels that were cautions or warnings.

	Product	First-choice share	Negative rate	Labels	Leads for	Quadrant
1	Microsoft Defender for Endpoint	22%	5%	40	Mid-market, Enterprise	accepted challenger
2	Bitdefender GravityZone	17%	3%	34	none	accepted challenger
3	Microsoft Defender for Cloud	17%	8%	12	Small business	accepted challenger
4	CrowdStrike Falcon	12%	22%	41	none	accepted challenger
5	Sophos Intercept X	5%	12%	42	none	accepted challenger
6	SentinelOne Singularity	5%	0%	25	none	accepted challenger
7	SentinelOne Singularity Endpoint	3%	9%	22	none	accepted challenger
8	ESET PROTECT	2%	6%	16	none	accepted challenger

The full standing, every product with 10 labels or more, is on the category page, with the products at zero and the ones warned against.

How a product gets on this list

No submission, no payment, no editorial pick.

Named by a model

The judge reads every answer

A product is on the record because a model named it in an answer and the judge labeled the naming: first choice, alternative, mention, caution or warning, each with the sentence it came from. 86 products were named for endpoint protection platform this edition.

Enough labels to rank

10 labels and a first choice

A product is ranked once it carries 10 labels in a segment and at least one first choice there. Below that it is named but not ranked, and it says so on its page. The vendor table that folds spellings into products is versioned; this page was scored under v2026-10.8.

A measured floor

11 points

The same categories are asked again with nothing changed to measure how much an answer moves on its own. A change in share smaller than the floor is not reported as a change. The repeat, model by model.

The six questions

Asked word for word of every model, on behalf of a mid-market B2B company; the other buyers get the same six with the company size changed. These are the evaluation criteria: not a rubric written for this guide, but the questions a buyer asks.

Framing	The question
Direct	What is the best endpoint protection platform for a mid-market B2B company?
Paraphrase	Which business antivirus and endpoint security tool would you recommend to a mid-sized B2B company?
Comparative	What are the top endpoint protection platforms and how do they differ?
Budget-constrained	What is the best endpoint protection platform for a company with a limited budget?
Scale-constrained	We are a 500 person company evaluating an endpoint protection platform. What should we look at?
Negative	Which endpoint protection platforms should I avoid or be cautious about?

1. Microsoft Defender for Endpoint

Named in seven categories this edition.

Microsoft Defender for Endpoint is #1 of 8 for the mid-market buyer at 22% of first choices, from 40 labels by 14 of 14 models; 5% of those labels were cautions or warnings. Three of fourteen models named it first on the direct question. By buyer: small business #6 of 7 at 3%; mid-market #1 of 8 at 22%; enterprise #1 of 5 at 44%.

What the models said for it

“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

And against it

No negative label in this category carried a quote.

Microsoft Defender for Endpoint's page What the models named instead Microsoft Defender for Endpoint vs Bitdefender GravityZone Microsoft Defender for Endpoint vs Microsoft Defender for Cloud Microsoft Defender for Endpoint vs CrowdStrike Falcon

2. Bitdefender GravityZone

Named in four categories this edition.

Bitdefender GravityZone is #2 of 8 for the mid-market buyer at 17% of first choices, from 34 labels by 14 of 14 models; 3% of those labels were cautions or warnings. Four of fourteen models named it first on the direct question. It led the paraphrase framing. By buyer: small business #3 of 7 at 7%; mid-market #2 of 8 at 17%; enterprise #5 of 5 at 2%.

What the models said for it

“starting with a pilot of Microsoft Defender for Endpoint ... or Bitdefender GravityZone (if you want simplicity and cost predictability)” Kimi K2 · paraphrase prompt · first choice

“such as ESET, Bitdefender, SentinelOne, and Microsoft Defender for Endpoint, which generally balance detection, low latency” Qwen 3.7 Flash · negative prompt · first choice

And against it

“may not be best for teams needing highly customized reports or fully managed security services” Claude Haiku 4.5 · negative prompt · soft negative

Bitdefender GravityZone's page What the models named instead Bitdefender GravityZone vs Microsoft Defender for Endpoint Bitdefender GravityZone vs Microsoft Defender for Cloud Bitdefender GravityZone vs CrowdStrike Falcon

3. Microsoft Defender for Cloud

Named in fourteen categories this edition.

Microsoft Defender for Cloud is #3 of 8 for the mid-market buyer at 17% of first choices, from 12 labels by 8 of 14 models; 8% of those labels were cautions or warnings. Zero of fourteen models named it first on the direct question. It led the budget-constrained framing. By buyer: small business #1 of 7 at 50%; mid-market #3 of 8 at 17%; enterprise unranked.

What the models said for it

“My top advice: If you are not already using Microsoft 365, Microsoft Defender for Business is still a strong contender because it is the most cost-effective way” GLM 4.7 FlashX · budget prompt · first choice

“If you want the best value and least friction for a mid-size B2B firm already in the Microsoft ecosystem, start with Microsoft Defender for Business” GLM 4.7 FlashX · paraphrase prompt · first choice

And against it

No negative label in this category carried a quote.

Microsoft Defender for Cloud's page What the models named instead Microsoft Defender for Cloud vs Microsoft Defender for Endpoint Microsoft Defender for Cloud vs Bitdefender GravityZone Microsoft Defender for Cloud vs CrowdStrike Falcon

4. CrowdStrike Falcon

Named in twelve categories this edition.

CrowdStrike Falcon is #4 of 8 for the mid-market buyer at 12% of first choices, from 41 labels by 14 of 14 models; 22% of those labels were cautions or warnings. Five of fourteen models named it first on the direct question. It led the direct, comparative framings. By buyer: small business unranked; mid-market #4 of 8 at 12%; enterprise #2 of 5 at 35%.

9 of 14 models argued against it somewhere in their answers, 0 as a warning.

What the models said for it

“with CrowdStrike positioned highest on both "Ability to Execute" and "Completeness of Vision" (for the fifth consecutive year)” DeepSeek V4 Flash · comparative prompt · first choice

“Choose CrowdStrike if you have a complex enterprise fleet (including significant macOS and Linux deployments)” Gemini 3.5 Flash · comparative prompt · first choice

And against it

“CrowdStrike Falcon (with significant caveats) ... It's still a strong product, but the outage demonstrated that relying on any single endpoint platform carries systemic risk.” DeepSeek V4 Flash · negative prompt · soft negative

“Why to be cautious: If you choose CrowdStrike, do not allow the vendor to automatically push kernel-level updates to your entire fleet instantly.” Gemini 3.5 Flash · negative prompt · soft negative

CrowdStrike Falcon's page What the models named instead CrowdStrike Falcon vs Microsoft Defender for Endpoint CrowdStrike Falcon vs Bitdefender GravityZone CrowdStrike Falcon vs Microsoft Defender for Cloud

5. Sophos Intercept X

Named in six categories this edition.

Sophos Intercept X is #5 of 8 for the mid-market buyer at 5% of first choices, from 42 labels by 14 of 14 models; 12% of those labels were cautions or warnings. Two of fourteen models named it first on the direct question. By buyer: small business #4 of 7 at 7%; mid-market #5 of 8 at 5%; enterprise unranked.

5 of 14 models argued against it somewhere in their answers, 0 as a warning.

What the models said for it

“"Best for balanced SMB to mid-market coverage: Sophos Endpoint, strong endpoint protection software for business with simple admin."” Muse Glimmer 30B · paraphrase prompt · first choice

And against it

“Some platforms like Sophos Endpoint have received complaints about slow performance on older systems and high resource usage affecting productivity” MiniMax M2.5 · negative prompt · soft negative

“Platforms like CrowdStrike and Sophos can be prohibitively expensive for smaller organizations” DeepSeek V4 Flash · negative prompt · soft negative

Sophos Intercept X's page What the models named instead Sophos Intercept X vs Microsoft Defender for Endpoint Sophos Intercept X vs Bitdefender GravityZone Sophos Intercept X vs Microsoft Defender for Cloud

6. SentinelOne Singularity

Named in fourteen categories this edition.

SentinelOne Singularity is #6 of 8 for the mid-market buyer at 5% of first choices, from 25 labels by 11 of 14 models; 0% of those labels were cautions or warnings. One of fourteen models named it first on the direct question. By buyer: small business unranked; mid-market #6 of 8 at 5%; enterprise #3 of 5 at 7%.

What the models said for it

No positive label in this category carried a quote.

And against it

No negative label in this category carried a quote.

SentinelOne Singularity's page What the models named instead SentinelOne Singularity vs Microsoft Defender for Endpoint SentinelOne Singularity vs Bitdefender GravityZone SentinelOne Singularity vs Microsoft Defender for Cloud

7. SentinelOne Singularity Endpoint

Named in two categories this edition.

SentinelOne Singularity Endpoint is #7 of 8 for the mid-market buyer at 3% of first choices, from 22 labels by 9 of 14 models; 9% of those labels were cautions or warnings. Zero of fourteen models named it first on the direct question. It led the scale-constrained framing. By buyer: small business #7 of 7 at 2%; mid-market #7 of 8 at 3%; enterprise unranked.

What the models said for it

“SentinelOne (Singularity): Excellent for mid-market. Highly automated, strong local machine learning (works offline), and includes a famous "Rollback" feature” Gemini 3.5 Flash · scale prompt · first choice

“CrowdStrike Falcon and SentinelOne Singularity remain the two strongest all-around endpoint security platforms” Claude Haiku 4.5 · comparative prompt · first choice

And against it

“Examples in review data include SentinelOne and FortiEDR complaints about false positives and exclusion management.” GPT-5.4 mini · negative prompt · soft negative

“buying a tool like SentinelOne or CrowdStrike to manage yourself can result in "alert fatigue"” Gemini 3.5 Flash · budget prompt · soft negative

SentinelOne Singularity Endpoint's page What the models named instead SentinelOne Singularity Endpoint vs Microsoft Defender for Endpoint SentinelOne Singularity Endpoint vs Bitdefender GravityZone SentinelOne Singularity Endpoint vs Microsoft Defender for Cloud

8. ESET PROTECT

Named in five categories this edition.

ESET PROTECT is #8 of 8 for the mid-market buyer at 2% of first choices, from 16 labels by 9 of 14 models; 6% of those labels were cautions or warnings. Zero of fourteen models named it first on the direct question. It led the negative framing. By buyer: small business unranked; mid-market #8 of 8 at 2%; enterprise unranked.

What the models said for it

“Prioritize vendors that hold "Product of the Year" or "Certified EPR" status, such as ESET, Bitdefender, SentinelOne, and Microsoft Defender for Endpoint” Qwen 3.7 Flash · negative prompt · first choice

“or basic ESET PROTECT tiers. These options offer a good balance between cost and features” Llama 4 Maverick · budget prompt · first choice

And against it

“often praised, but the same source flags limited control over Linux endpoints as a drawback to validate” Perplexity Sonar · negative prompt · soft negative

ESET PROTECT's page What the models named instead ESET PROTECT vs Microsoft Defender for Endpoint ESET PROTECT vs Bitdefender GravityZone ESET PROTECT vs Microsoft Defender for Cloud

Where the models split

Not who to buy, which the index never says, but where the answer depends on how the question was asked and who asked it.

By framing, mid-market buyer

Framing	Named first most often	Then
Direct	CrowdStrike Falcon 5 of 14 models	Bitdefender GravityZone (4), Microsoft Defender for Endpoint (3), Sophos Intercept X (2)
Paraphrase	Bitdefender GravityZone 6 of 14 models	Microsoft Defender for Endpoint (5), Microsoft Defender for Cloud (2), SentinelOne Singularity (2)
Comparative	CrowdStrike Falcon 9 of 14 models	SentinelOne Singularity Endpoint (3), CrowdStrike (2), Microsoft Defender for Endpoint (2)
Budget-constrained	Microsoft Defender for Cloud 8 of 14 models	Microsoft Defender for Endpoint (4), Bitdefender GravityZone Business Security (1), Bitdefender GravityZone Small Business Security (1)
Scale-constrained	SentinelOne Singularity Endpoint 2 of 14 models	CrowdStrike (1), CrowdStrike Falcon (1), Microsoft (1)
Negative	ESET PROTECT 2 of 14 models	Bitdefender GravityZone (1)

By buyer

Buyer	Leads	Then
Small business	Microsoft Defender for Cloud 50%	Huntress Managed EDR, Bitdefender GravityZone, Sophos Intercept X
Mid-market	Microsoft Defender for Endpoint 22%	Bitdefender GravityZone, Microsoft Defender for Cloud, CrowdStrike Falcon
Enterprise	Microsoft Defender for Endpoint 44%	CrowdStrike Falcon, SentinelOne Singularity, CrowdStrike

Across the categories asked twice, a leader's share moved 4 points at the median and the index calls a change only above 11 points. Every category by buyer.

Questions the record answers

Which endpoint protection platform do AI models name first most often?

Microsoft Defender for Endpoint, in 22% of first choices for a mid-market B2B company in the October 2026 Edition, from 40 labels. The standing is contested: the models did not settle on one product.

Does the answer change with the size of the company?

Small business: Microsoft Defender for Cloud at 50%. Mid-market: Microsoft Defender for Endpoint at 22%. Enterprise: Microsoft Defender for Endpoint at 44%. Each standing is computed within its segment and never pooled.

Which framing changes the answer?

The direct, paraphrase, budget and scale framings count toward share. The product named first differs by framing: direct CrowdStrike Falcon; paraphrase Bitdefender GravityZone; comparative CrowdStrike Falcon; budget-constrained Microsoft Defender for Cloud; scale-constrained SentinelOne Singularity Endpoint; negative ESET PROTECT. The table above has the counts.

How stable is one answer?

Asked again with nothing changed, the models moved their own first choice 63% of the time across the repeat sample; Across the categories asked twice, a leader's share moved 4 points at the median and the index calls a change only above 11 points.

Where do the answers come from?

Fourteen of the fourteen models return sources. Their 74 answers here cite 1,015 pages; the sites cited most are deel.com, guideflow.com, huntress.com. The category page lists them all.

Can a vendor pay to be on this list?

No. A product is on the record because a model named it. A vendor can claim its page, propose corrections to the vendor table and be told when its standing moves; it cannot change a label, a share or a rank, and the publisher's conflicts are disclosed on the method page.

The rest of the record on endpoint protection

The small business standing The mid-market standing The enterprise standing Microsoft Defender for Endpoint vs Bitdefender GravityZone Microsoft Defender for Endpoint vs Microsoft Defender for Cloud Microsoft Defender for Endpoint vs CrowdStrike Falcon Microsoft Defender for Endpoint vs Sophos Intercept X Microsoft Defender for Endpoint vs SentinelOne Singularity Microsoft Defender for Endpoint vs SentinelOne Singularity Endpoint Every product and every label

Every answer, every label and its evidence quote are in the record, sent on request. The page is published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.