# Microsegmentation for small business buyers: what AI models recommend, November 2026

Gane Index, November 2026 Edition. Asked as "microsegmentation solution" and as "east-west network segmentation tool", six framings each, to fourteen models with search on, on behalf of a small B2B company. Added to the November 2026 Edition. Page: https://www.gane.ai/index/it/network/microsegmentation/smb

**Standing:** Zero Networks Segment leads with 30% of first choices; verdict contested. 57 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Zero Networks Segment](https://www.gane.ai/index/it/vendors/zero-networks-segment/index.md) | 30% | 0% | 37 |
| 2 | [Akamai Guardicore Segmentation](https://www.gane.ai/index/it/vendors/akamai-guardicore-segmentation/index.md) | 5% | 36% | 50 |
| 4 | [Illumio Segmentation](https://www.gane.ai/index/it/vendors/illumio-segmentation/index.md) | 5% | 42% | 57 |
| 5 | [AWS Security Groups](https://www.gane.ai/index/it/vendors/aws-security-groups/index.md) | 4% | 0% | 14 |
| 6 | [Faddom](https://www.gane.ai/index/it/vendors/faddom/index.md) | 4% | 0% | 15 |
| 7 | [ColorTokens Xshield](https://www.gane.ai/index/it/vendors/colortokens-xshield/index.md) | 4% | 6% | 16 |
| 8 | [Azure Network Security Groups](https://www.gane.ai/index/it/vendors/azure-network-security-groups/index.md) | 4% | 0% | 12 |
| 9 | [Calico](https://www.gane.ai/index/it/vendors/calico/index.md) | 4% | 8% | 13 |
| 13 | [Cisco Secure Workload](https://www.gane.ai/index/it/vendors/cisco-secure-workload/index.md) | 4% | 63% | 27 |
| 14 | [Elisity](https://www.gane.ai/index/it/vendors/elisity/index.md) | 2% | 0% | 15 |
| 105 | [VMware NSX](https://www.gane.ai/index/it/vendors/vmware-nsx/index.md) | 0% | 82% | 28 |

Rank is by share of first choices among all 105 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: Enclave; alternatives Akamai Guardicore Segmentation, ColorTokens Xshield
- GPT-5.4 mini: Akamai Guardicore Segmentation, Illumio Segmentation; alternatives Zero Networks Segment
- Gemini 3.5 Flash: Tailscale, Twingate; alternatives AWS Security Groups, Azure Network Security Groups, Calico, Cilium
- Perplexity Sonar: Zero Networks Segment; alternatives Akamai Guardicore Segmentation, Illumio Segmentation, Tigera Calico
- Grok 4.20: Akamai Guardicore Segmentation; alternatives ColorTokens Xtended, Elisity, Illumio Segmentation, Zero Networks Segment
- Mistral Small: Zero Networks Segment; alternatives Illumio Segmentation
- DeepSeek V4 Flash: Zero Networks Segment; alternatives Akamai Guardicore Segmentation, Illumio Segmentation, TrueFort
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Illumio Segmentation; alternatives CrowdStrike, Netskope, Project Calico, Sysdig
- Kimi K2: AWS Network Firewall, Zero Networks Segment, security groups; alternatives Elisity, Firewall Rules + Cloud Armor, Istio, Linkerd
- GLM 4.7 FlashX: Zero Networks Segment; alternatives Akamai Guardicore Segmentation, Illumio Segmentation
- MiniMax M2.5: Akamai Guardicore Segmentation, Zscaler Private Access; alternatives Akita, HubSpot
- GPT-6 Luna: Tailscale; alternatives Illumio Segmentation
- Muse Glimmer 30B: Zero Networks Segment; alternatives Akamai Guardicore Segmentation

## Sources the answers cite

74 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- g2.com: 42 answers, 65 citations
- zeronetworks.com: 33 answers, 71 citations
- gane.ai/index: 33 answers, 33 citations
- aimultiple.com: 30 answers, 32 citations
- sourceforge.net: 29 answers, 42 citations
- illumio.com: 25 answers, 37 citations
- tigera.io: 22 answers, 27 citations
- akamai.com: 21 answers, 35 citations

Pages named in the most answers:

- https://g2.com/categories/microsegmentation/small-business (33 answers)
- https://gane.ai/index/it/network/microsegmentation/smb (31 answers)
- https://aimultiple.com/microsegmentation-tools (26 answers)
- https://sourceforge.net/software/microsegmentation/for-small-business (26 answers)
- https://zeronetworks.com/files/buyers-guides/zero-networks-microsegmentation-buyers-guide.pdf (16 answers)
- https://cyberpress.org/microsegmentation-tools-by-business-size (15 answers)
- https://tigera.io/learn/guides/microsegmentation/microsegmentation-tools (13 answers)
- https://zeronetworks.com/ (12 answers)
- https://cybersecuritynews.com/best-microsegmentation-tools (11 answers)
- https://sourceforge.net/software/microsegmentation (11 answers)

## Warned against

- Illumio Segmentation: 24 of 57 labels negative. "What to Avoid ... Illumio | Built for large enterprises with dedicated security engineers; expensive" (Kimi K2, budget prompt)
- Akamai Guardicore Segmentation: 18 of 50 labels negative. "avoid traditional enterprise platforms (like VMware NSX, Illumio, or Akamai Guardicore) unless absolutely necessary" (Kimi K2, direct prompt)
- VMware NSX: 23 of 28 labels negative. "Implementing VMware NSX is frequently described as a mistake for small businesses due to its steep learning curve and operational overhead." (Mistral Small, negative prompt)
- Cisco Secure Workload: 17 of 27 labels negative. "Hardware-Centric & Enterprise SDN Solutions ... Why to avoid: These solutions require massive upfront hardware investments" (Gemini 3.5 Flash, negative prompt)

## Movement since October 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: Zero Networks Segment at 30%.

- Zero Networks Segment: 16% to 30%, +14. Cleared the floor by 3 points · rank 1 of 105, unchanged.
- Illumio Segmentation: 13% to 5%, −8. Inside the floor by 3 points · rank 2 → 4 of 105.
- Calico: 0% to 4%, +4. Inside the floor by 7 points · rank 33 → 9 of 105.
- Faddom: 6% to 4%, −2. Inside the floor by 9 points · rank 3 → 6 of 105.
- Elisity: 4% to 2%, −2. Inside the floor by 9 points · rank 6 → 14 of 105.
- Akamai Guardicore Segmentation: 6% to 5%, −1. Inside the floor by 10 points · rank 4 → 2 of 105.
- AWS Security Groups: 3% to 4%, +1. Inside the floor by 10 points · rank 9 → 5 of 105.
- Azure Network Security Groups: 3% to 4%, +1. Inside the floor by 10 points · rank 10 → 8 of 105.
- Zscaler Private Access: 1% to 2%, +1. Inside the floor by 10 points · rank 12 → 15 of 105.
- ColorTokens Xshield: 4% to 4%, ±0. Inside the floor by 11 points · rank 5 → 7 of 105.
- Cisco Secure Workload: 4% to 4%, ±0. Inside the floor by 11 points · rank 8 → 13 of 105.
- VMware NSX: 0% to 0%, ±0. Inside the floor by 11 points · rank 98 → 105 of 105.

## Record

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