# OPNsense: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 12 judge labels across 3 categories by 9 of 14 models. Page: https://www.gane.ai/index/it/vendors/opnsense

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Next-generation firewalls](https://www.gane.ai/index/it/network/next-generation-firewalls/index.md) | 2% | 5 | 14% | 7 |
| [SD-WAN](https://www.gane.ai/index/it/network/sd-wan/index.md) | 0% | 15 | 0% | 4 |
| [Network access control](https://www.gane.ai/index/it/network/network-access-control/index.md) | 0% | 50 | 0% | 1 |

## What the models said for it

- "For Maximum Savings: Start with OPNsense or pfSense" (Kimi K2, Firewalls)
- "The Best "Free" Option (If you have IT skills): Open Source (OPNsense or pfSense)" (GLM 4.7 FlashX, SD-WAN)
- "Best Open-Source / DIY Solution... Trade-off: High administrative overhead." (Gemini 3.5 Flash, Firewalls)
- "install free, open-source firewall software like OPNsense or pfSense" (Qwen 3.7 Flash, Firewalls)

## And against it

- "require more technical expertise to configure and maintain" (DeepSeek V4 Flash, Firewalls)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 2 | 0 | 0 | 2 |
| Perplexity Sonar | 0 | 1 | 0 | 0 | 1 |
| Grok 4.20 | 0 | 1 | 1 | 0 | 2 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 1 | 1 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 1 | 0 | 0 | 1 |
| Kimi K2 | 1 | 1 | 0 | 0 | 2 |
| GLM 4.7 FlashX | 0 | 1 | 0 | 0 | 1 |
| MiniMax M2.5 | 0 | 0 | 1 | 0 | 1 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 1 | 0 | 0 | 1 |

## Sources returned with these answers

The sites and pages cited by the answers that named OPNsense, from 19 of the 23 answers that named it (only the models that return a source list).

### Domains cited

- reddit.com: 14
- sourceforge.net: 8
- cyberpress.org: 6
- fortinet.com: 6
- g2.com: 6
- gbhackers.com: 5
- trustradius.com: 5
- comparitech.com: 4
- solutions.trustradius.com: 4
- aimultiple.com: 3

### Pages cited

- https://fortinet.com/solutions/small-business/firewall: 5
- https://gbhackers.com/ngfw-solutions-compared-features-pricing: 5
- https://cyberpress.org/best-next-generation-firewall-ngfw-solutions-for-every-business-size: 4
- https://reddit.com/r/networking/comments/1kuoatj/best_sdwan_providers_to_offer_small_businesses: 4
- https://reddit.com/r/networking/comments/1mhprf0/firewall_on_a_budget_for_smb: 4
- https://solutions.trustradius.com/buyer-blog/network-firewall-pricing-comparison: 4
- https://aimultiple.com/microsegmentation-tools: 3
- https://enterprisenetworkingplanet.com/guides/best-firewalls-for-small-medium-business: 3

## 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.