Extended detection and response · November 2026 Edition
Stellar Cyber Open XDR vs Bitdefender GravityZone XDR
Two of fourteen models named Stellar Cyber Open XDR first on the direct prompt; one named Bitdefender GravityZone XDR. Stellar Cyber Open XDR was named by eight of the fourteen models and Bitdefender GravityZone XDR by eight and Stellar Cyber Open XDR carries 12 labels and Bitdefender GravityZone XDR 17, so the shares are not directly comparable.
Named in four categories this edition.
Named in one category this edition.
First-choice share4%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#6#7A position in a field of 12; printed, not drawn.
Labels1217A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Stellar Cyber Open XDR reading right to left. Rank and label count are printed, not drawn.CrowdStrike Falcon Insight XDR was named alongside these two in thirteen of the fourteen direct answers. Microsoft Defender XDR vs Stellar Cyber Open XDR · Microsoft Defender XDR vs Bitdefender GravityZone XDR · CrowdStrike Falcon Insight 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.
Stellar Cyber Open XDRFirst choices, of fourteen modelsBitdefender GravityZone XDR
Direct21
Paraphrase00
Comparative00
Budget-constrained00
Scale-constrained00
Negative00
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.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Stellar Cyber Open XDR and Bitdefender GravityZone XDR 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 | | |
Stellar Cyber Open XDR Bitdefender GravityZone XDR first choice named as an alternative argued againstblank: not namedEach cell is one answer, Stellar Cyber Open XDR on the left and Bitdefender GravityZone XDR on the right.The direct prompt
The plain question, one answer per model, grouped by where Stellar Cyber Open XDR and Bitdefender GravityZone XDR stood in it.
Both were the first choice
1 of 14 modelsThe answer named them together, and the judge labeled each a first choice.Muse Glimmer 30BBitdefender GravityZone XDR, Stellar Cyber Open XDR alternatives: CrowdStrike Falcon Insight XDR, Cynet 360 AutoXDR, ESET PROTECT, Microsoft Defender XDR, Ontinue, SentinelOne Singularity, Sophos Intercept X, WithSecure Elements
Stellar Cyber Open XDR first, Bitdefender GravityZone XDR not the choice
1 of 14 modelsBitdefender GravityZone XDR was named in the answer but not as the choice, or not at all.Qwen 3.7 FlashStellar Cyber Open XDR alternatives: CrowdStrike Falcon Insight XDR, Microsoft Defender XDR, SentinelOne Singularity
Neither was the first choice, one was named
5 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, SentinelOne Singularity, Stellar Cyber Open XDR
Perplexity SonarMicrosoft Defender XDR alternatives: CrowdStrike Falcon Insight XDR, Palo Alto Networks Cortex XDR, SentinelOne Singularity, Sophos Intercept X, Sophos MDR, Stellar Cyber Open XDR
Llama 4 MaverickMicrosoft Defender XDR alternatives: CrowdStrike Falcon Insight XDR, Sophos Intercept X, Stellar Cyber Open XDR
GLM 4.7 FlashXCrowdStrike Falcon Insight XDR alternatives: Bitdefender GravityZone XDR, Microsoft Defender for Cloud, Microsoft Defender for Endpoint, Palo Alto Networks Cortex XDR, SentinelOne Singularity
MiniMax M2.5CrowdStrike Falcon Insight XDR, Microsoft Defender XDR alternatives: Bitdefender GravityZone XDR, Palo Alto Networks Cortex XDR, SentinelOne Singularity
Neither was named
7 of 14 modelsThe answer made no first choice from these two in this category.GPT-5.4 miniMicrosoft Defender XDR alternatives: CrowdStrike Falcon Insight XDR, Palo Alto Networks Cortex XDR, SentinelOne Singularity
Gemini 3.5 FlashSentinelOne Singularity, Sophos Intercept X, Sophos MDR alternatives: CrowdStrike Falcon Insight XDR, Microsoft Defender XDR, Trend Vision One
Grok 4.20CrowdStrike Falcon Insight XDR, Microsoft Defender XDR alternatives: Palo Alto Networks Cortex XDR, SentinelOne Singularity, Sophos Intercept X
Mistral SmallCrowdStrike Falcon Insight XDR, Sophos Intercept X alternatives: Microsoft Defender for Endpoint with E5 License, Palo Alto Networks Cortex XDR
DeepSeek V4 FlashSophos Intercept X alternatives: CrowdStrike Falcon Insight XDR, Cynet 360 AutoXDR, Microsoft Defender XDR, SentinelOne Singularity
Kimi K2Microsoft Defender XDR alternatives: CrowdStrike Falcon Insight XDR, SentinelOne Singularity
GPT-6 LunaCrowdStrike Falcon Insight XDR, Microsoft Defender XDR alternatives: Palo Alto Networks Cortex XDR, SentinelOne Singularity
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
Bitdefender GravityZone XDR leads by two points.
Bitdefender GravityZone XDR2%#6 of 12Stellar Cyber Open XDR0%#10 of 12Mid-marketThe figures above
The order flips: Stellar Cyber Open XDR leads at mid-market.
Stellar Cyber Open XDR4%#6 of 12Bitdefender GravityZone XDR2%#7 of 12Enterprise
Level: the same share of first choices.
Stellar Cyber Open XDR0%#6 of 10Bitdefender GravityZone XDR0%#7 of 10What the models said about Stellar Cyber Open XDR
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“Stellar Cyber Open XDR is emerging as the top specialized pick” Qwen 3.7 Flash · direct prompt · first choice
“Stellar Cyber Open XDR – best for flexibility / no lock-in.” Muse Glimmer 30B · direct prompt · first choice
What the models said about Bitdefender GravityZone XDR
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“Best value overall: Bitdefender — competent managed XDR at pricing that mid-market organizations can approve” Muse Glimmer 30B · direct prompt · first choice
“managed XDR services, such as Bitdefender, which offers competent managed XDR at a price that mid-market organizations can approve” Llama 4 Maverick · budget prompt · alternative
“Best For – Organizations looking for a cost-effective, all-in-one solution that provides strong ransomware protection” GLM 4.7 FlashX · comparative prompt · alternative
Also compared
Microsoft Defender XDR vs Stellar Cyber Open XDRMicrosoft Defender XDR vs Bitdefender GravityZone XDRCrowdStrike Falcon Insight XDR vs Stellar Cyber Open XDRCrowdStrike Falcon Insight XDR vs Bitdefender GravityZone XDRSophos Intercept X vs Stellar Cyber Open XDRSophos Intercept X vs Bitdefender GravityZone XDRSentinelOne Singularity vs Stellar Cyber Open XDRSentinelOne Singularity vs Bitdefender GravityZone XDRESET PROTECT vs Stellar Cyber Open XDRESET PROTECT vs Bitdefender GravityZone XDRAll twenty-one 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.