# Extended detection and response: what AI models recommend, September 2026

Gane Index, September 2026 Edition. Asked as "XDR platform" and as "extended detection and response solution", six framings each, to twelve models with search on, on behalf of a mid-market B2B company. Page: https://www.gane.ai/index/it/security/extended-detection-and-response/2026-09

This is the permanent record of the September 2026 Edition, published September 17, 2026 and superseded since. The current standing: https://www.gane.ai/index/it/security/extended-detection-and-response/index.md

**Standing:** Microsoft Defender XDR leads with 63% of first choices; verdict clear leader. 41 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Microsoft Defender XDR](https://www.gane.ai/index/it/vendors/microsoft-defender-xdr/index.md) | 63% | 15% | 61 |
| 2 | [Coro](https://www.gane.ai/index/it/vendors/coro/index.md) | 7% | 8% | 13 |
| 3 | [SentinelOne Singularity](https://www.gane.ai/index/it/vendors/sentinelone-singularity/index.md) | 5% | 5% | 37 |
| 4 | [CrowdStrike Falcon Insight XDR](https://www.gane.ai/index/it/vendors/crowdstrike-falcon-insight-xdr/index.md) | 5% | 18% | 49 |
| 5 | [Bitdefender GravityZone XDR](https://www.gane.ai/index/it/vendors/bitdefender-gravityzone-xdr/index.md) | 5% | 8% | 26 |
| 6 | [Sophos Intercept X](https://www.gane.ai/index/it/vendors/sophos-intercept-x/index.md) | 5% | 19% | 21 |
| 10 | [Stellar Cyber Open XDR](https://www.gane.ai/index/it/vendors/stellar-cyber-open-xdr/index.md) | 0% | 5% | 22 |
| 11 | [Palo Alto Networks Cortex XDR](https://www.gane.ai/index/it/vendors/palo-alto-networks-cortex-xdr/index.md) | 0% | 21% | 29 |
| 14 | [Trend Vision One](https://www.gane.ai/index/it/vendors/trend-vision-one/index.md) | 0% | 27% | 22 |
| 15 | [Cisco XDR](https://www.gane.ai/index/it/vendors/cisco-xdr/index.md) | 0% | 24% | 17 |

Rank is by share of first choices among all 49 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: Microsoft Defender XDR; alternatives Cisco XDR, CrowdStrike Falcon Insight XDR, Palo Alto Networks Cortex XDR, SentinelOne Singularity
- Gemini 3.5 Flash: Sophos Intercept X + Sophos MDR; alternatives CrowdStrike Falcon Insight XDR, Microsoft Defender XDR, SentinelOne Singularity, Stellar Cyber Open XDR
- Perplexity Sonar: CrowdStrike Falcon Insight XDR, Microsoft Defender XDR; alternatives Rapid7 InsightIDR, SentinelOne Singularity, Stellar Cyber Open XDR
- Grok 4.20: Microsoft Defender XDR; alternatives Bitdefender GravityZone XDR, CrowdStrike Falcon Insight XDR, Palo Alto Networks Cortex XDR, Sophos Intercept X
- Mistral Small: Bitdefender GravityZone XDR; alternatives Microsoft Defender XDR, Ontinue, Stellar Cyber Open XDR
- DeepSeek V4 Flash: Microsoft Defender XDR, SentinelOne Singularity; alternatives Bitdefender GravityZone XDR, Ontinue, Sophos Intercept X
- Llama 4 Maverick: Bitdefender GravityZone XDR; alternatives Ontinue
- Qwen 3.7 Flash: Microsoft Defender XDR, Sophos Intercept X; alternatives CrowdStrike Falcon Insight XDR, SentinelOne Singularity
- Kimi K2: Microsoft Defender XDR; alternatives Bitdefender GravityZone XDR, Cynet 360 AutoXDR, Sophos Intercept X
- GLM 4.7 FlashX: Microsoft Defender XDR; alternatives Bitdefender GravityZone XDR, Coro, CrowdStrike Falcon Insight XDR, Elastic Security
- MiniMax M2.5: Microsoft Defender XDR; alternatives Bitdefender GravityZone XDR, CrowdStrike Falcon Insight XDR, Ontinue, Palo Alto Networks Cortex XDR

## Sources the answers cite

66 of 72 answers came back with a source list, from 12 of 12 models. Sites named in the most answers:

- gbhackers.com: 47 answers, 78 citations
- cyberpress.org: 43 answers, 52 citations
- paloaltonetworks.com: 35 answers, 46 citations
- cybersecuritynews.com: 31 answers, 36 citations
- guideflow.com: 22 answers, 23 citations
- gartner.com: 21 answers, 32 citations
- decryptiondigest.com: 21 answers, 22 citations
- esecurityplanet.com: 20 answers, 20 citations

Pages named in the most answers:

- https://cyberpress.org/xdr-platforms-by-business-size (41 answers)
- https://gbhackers.com/best-xdr-platforms-compared (41 answers)
- https://paloaltonetworks.com/cyberpedia/xdr-solutions (29 answers)
- https://gbhackers.com/best-managed-xdr-compared (29 answers)
- https://cybersecuritynews.com/best-xdr-platforms (26 answers)
- https://guideflow.com/blog/xdr-platform (22 answers)
- https://decryptiondigest.com/blog/best-xdr-platforms-2026 (20 answers)
- https://esecurityplanet.com/products/xdr-security-solutions (19 answers)
- https://gartner.com/reviews/market/extended-detection-and-response (18 answers)
- https://aimultiple.com/xdr-solutions (15 answers)

## Warned against

- Microsoft Defender XDR: 9 of 61 labels negative. "Tech giants like Microsoft (Defender XDR), Palo Alto Networks (Cortex XDR), and Fortinet (FortiXDR) offer incredibly powerful native XDR suites. However, they are optimized for their own security tools." (Gemini 3.5 Flash, negative prompt)
- CrowdStrike Falcon Insight XDR: 9 of 49 labels negative. "deeply embedded within massive, enterprise-grade licensing suites like Microsoft and CrowdStrike... requires an exorbitant financial commitment" (Claude Haiku 4.5, negative prompt)
- Trend Vision One: 6 of 22 labels negative. "If you're looking for alternatives to Trend Micro, consider options like CrowdStrike Falcon, Microsoft Defender XDR + Sentinel, Palo Alto Networks Cortex XDR, SentinelOne Singularity, and others." (Llama 4 Maverick, negative prompt)
- Palo Alto Networks Cortex XDR: 6 of 29 labels negative. "Complex policy tuning/detections leading to high false positives/noise (requires expertise), steep learning curve ... aggressive pricing" (Grok 4.20, negative prompt)

## Record

- Method: https://www.gane.ai/index/it/methodology
- License: CC BY 4.0. Cite as Gane Index, September 2026 Edition, www.gane.ai/index/it.
