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OT and IoT security · November 2026 Edition
Fortinet OT Security Platform vs Forescout Vistaro Platform
One of fourteen models named Fortinet OT Security Platform first on the direct prompt; zero named Forescout Vistaro Platform. Fortinet OT Security Platform was named by thirteen of the fourteen models and Forescout Vistaro Platform by nine and Fortinet OT Security Platform carries 28 labels and Forescout Vistaro Platform 17, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
First-choice share6%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate14%6%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#7A position in a field of 11; printed, not drawn.
Labels2817A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Fortinet OT Security Platform reading right to left. Rank and label count are printed, not drawn.Claroty xDome was named alongside these two in ten of the fourteen direct answers. Microsoft Defender for IoT vs Fortinet OT Security Platform · Microsoft Defender for IoT vs Forescout Vistaro Platform · Claroty xDome vs Fortinet OT Security Platform
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 OT and IoT security page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Fortinet OT Security PlatformFirst choices, of fourteen modelsForescout Vistaro Platform
Direct101 against Fortinet OT Security Platform
Paraphrase01
Comparative00
Budget-constrained20
Scale-constrained00
Negative003 against Fortinet OT Security Platform · 1 against Forescout Vistaro Platform
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.
Across every category in the November 2026 Edition, Fortinet OT Security Platform and Forescout Vistaro Platform were named in the same answer twenty-six times, of the 90 answers naming Fortinet OT Security Platform and the 58 naming Forescout Vistaro Platform. In those answers Forescout Vistaro Platform took the first choice zero times and Fortinet OT Security Platform two.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Fortinet OT Security Platform and Forescout Vistaro Platform 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 | | | |
Fortinet OT Security Platform Forescout Vistaro Platform first choice named as an alternative argued againstblank: not namedEach cell is one answer, Fortinet OT Security Platform on the left and Forescout Vistaro Platform on the right.The direct prompt
The plain question, one answer per model, grouped by where Fortinet OT Security Platform and Forescout Vistaro Platform stood in it.
Fortinet OT Security Platform first, Forescout Vistaro Platform not the choice
1 of 14 modelsForescout Vistaro Platform was named in the answer but not as the choice, or not at all.GLM 4.7 FlashXFortinet OT Security Platform alternatives: Claroty xDome, Palo Alto Networks OT Security
Neither was the first choice, one was named
6 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5Asimily alternatives: Claroty xDome, Forescout Vistaro Platform, Tenable OT Security
GPT-5.4 miniClaroty xDome alternatives: Fortinet OT Security Platform, Nozomi Networks Guardian, Tenable OT Security
Gemini 3.5 FlashClaroty xDome alternatives: Armis Centrix, Fortinet OT Security Platform, Microsoft Defender for IoT, Nozomi Networks Guardian
Perplexity SonarMicrosoft Defender for IoT alternatives: Fortinet OT Security Platform, Nozomi Networks Guardian, Tenable OT Security
MiniMax M2.5Microsoft Defender for IoT, Nozomi Networks Vantage alternatives: Fortinet OT Security Platform, Palo Alto Networks Zero Trust OT Security
Muse Glimmer 30BNozomi Networks Guardian alternatives: Claroty xDome, Fortinet OT Security Platform, Microsoft Defender for IoT, Tenable OT Security
Neither was named
7 of 14 modelsThe answer made no first choice from these two in this category.Grok 4.20Claroty xDome alternatives: Dragos Platform, Nozomi Networks Guardian
Mistral SmallClaroty xDome, Microsoft Defender for IoT alternatives: Dragos Platform, Nozomi Networks Guardian, Tenable OT Security
DeepSeek V4 FlashMicrosoft Defender for IoT alternatives: Claroty xDome, Nozomi Networks Guardian
Llama 4 Maverickno first choice
Qwen 3.7 FlashClaroty xDome alternatives: Armis Centrix, Microsoft Defender for IoT, Nozomi Networks Guardian
Kimi K2Microsoft Defender for IoT, Nozomi Networks Guardian alternatives: OTORIO, SecuPi
GPT-6 LunaClaroty xDome alternatives: Nozomi Vantage
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
Fortinet OT Security Platform leads by nine points.
Fortinet OT Security Platform9%#2 of 11Forescout Vistaro Platform0%#10 of 11Mid-marketThe figures above
Fortinet OT Security Platform leads by four points.
Fortinet OT Security Platform6%#4 of 11Forescout Vistaro Platform2%#7 of 11Enterprise
Fortinet OT Security Platform leads by eight points.
Fortinet OT Security Platform9%#4 of 9Forescout Vistaro Platform2%#8 of 9What the models said about Fortinet OT Security Platform
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Criticized for premium pricing (around $100K+/year for a single site) and complex deployments, making it less suitable for mid-market companies.” Mistral Small · negative prompt · soft negative
“Fortinet is a capable platform, but if your OT environment has strict patching windows, be cautious” DeepSeek V4 Flash · negative prompt · soft negative
“OT features may be less mature than pure-play vendors, requires careful segmentation design.” Qwen 3.7 Flash · negative prompt · soft negative
“Fortinet OT Security Platform looks like the strongest budget-conscious choice for many small-to-mid organizations” GPT-5.4 mini · budget prompt · first choice
“Fortinet offers a cost-effective OT security solution with strong segmentation capabilities” Claude Haiku 4.5 · budget prompt · first choice
“Fortinet is widely considered the best fit for this specific segment.” GLM 4.7 FlashX · direct prompt · first choice
What the models said about Forescout Vistaro Platform
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Can be resource-intensive, pricing model may be complex, initial configuration can be challenging.” Qwen 3.7 Flash · negative prompt · soft negative
“Start by evaluating Forescout or Claroty” Claude Haiku 4.5 · paraphrase prompt · first choice
“Forescout offers deep packet inspection for IoT/OT protocol analysis combined with broad IoT/IT visibility in a single-vendor approach” Claude Haiku 4.5 · comparative prompt · alternative
“Forescout “$7,500/year base appliance/virtual deployment tier (~$15-$25/endpoint/year) 30-day virtual appliance evaluation license”” Muse Glimmer 30B · budget prompt · alternative
Also compared
Microsoft Defender for IoT vs Fortinet OT Security PlatformMicrosoft Defender for IoT vs Forescout Vistaro PlatformClaroty xDome vs Fortinet OT Security PlatformClaroty xDome vs Forescout Vistaro PlatformNozomi Networks Guardian vs Fortinet OT Security PlatformNozomi Networks Guardian vs Forescout Vistaro PlatformFortinet OT Security Platform vs Armis CentrixFortinet OT Security Platform vs Tenable OT SecurityFortinet OT Security Platform vs Palo Alto Networks OT SecurityArmis Centrix vs Forescout Vistaro PlatformTenable OT Security vs Forescout Vistaro PlatformForescout Vistaro Platform vs Palo Alto Networks OT SecurityAll twenty-eight head-to-head pages and the full ot/iot security 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.