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SASE platforms · November 2026 Edition

Fortinet FortiSASE vs Zscaler Zero Trust Exchange

One of fourteen models named Fortinet FortiSASE first on the direct prompt; zero named Zscaler Zero Trust Exchange. Both were named by all fourteen models and Fortinet FortiSASE carries 61 labels and Zscaler Zero Trust Exchange 59, so the shares are not directly comparable.

Fortinet FortiSASE

accepted challenger

Named in one category this edition.

Zscaler Zero Trust Exchange

criticized challenger

Named in two categories this edition.

First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate11%37%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#7A position in a field of 10; printed, not drawn.
Labels6159A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Fortinet FortiSASE reading right to left. Rank and label count are printed, not drawn.Cato Networks was named alongside these two in ten of the fourteen direct answers. Cato Networks vs Fortinet FortiSASE · Cato Networks vs Zscaler Zero Trust Exchange · Cloudflare One vs Fortinet FortiSASE

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 SASE platforms 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 FortiSASEFirst choices, of fourteen modelsZscaler Zero Trust Exchange
Direct103 against Zscaler Zero Trust Exchange
Paraphrase012 against Zscaler Zero Trust Exchange
Comparative06
Budget-constrained007 against Zscaler Zero Trust Exchange
Scale-constrained001 against Zscaler Zero Trust Exchange
Negative007 against Fortinet FortiSASE · 9 against Zscaler Zero Trust Exchange
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 FortiSASE and Zscaler Zero Trust Exchange were named in the same answer 131 times, of the 165 answers naming Fortinet FortiSASE and the 184 naming Zscaler Zero Trust Exchange. In those answers Zscaler Zero Trust Exchange took the first choice seventeen times and Fortinet FortiSASE six.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Fortinet FortiSASE and Zscaler Zero Trust Exchange stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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 FortiSASE Zscaler Zero Trust Exchange first choice named as an alternative argued againstblank: not namedEach cell is one answer, Fortinet FortiSASE on the left and Zscaler Zero Trust Exchange on the right.

The direct prompt

The plain question, one answer per model, grouped by where Fortinet FortiSASE and Zscaler Zero Trust Exchange stood in it.

Fortinet FortiSASE first, Zscaler Zero Trust Exchange an alternative

1 of 14 modelsZscaler Zero Trust Exchange was named in the answer but not as the choice, or not at all.
GPT-5.4 miniFortinet FortiSASE alternatives: Cato Networks, Cisco Secure Access, Netskope One, Zscaler Zero Trust Exchange

Neither was the first choice, one was named

11 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5Cato SASE Cloud alternatives: Check Point Harmony SASE, Cisco Umbrella, Fortinet FortiSASE
Gemini 3.5 FlashCato Networks alternatives: Check Point Harmony SASE, Cloudflare One, Fortinet FortiSASE
Perplexity SonarCato SASE Cloud alternatives: Check Point Harmony SASE, Cloudflare One, Fortinet FortiSASE, Netskope One, Palo Alto Networks Prisma Access
Mistral SmallCato Networks alternatives: Cloudflare One, Fortinet FortiSASE, Netskope One, Zscaler Zero Trust Exchange
DeepSeek V4 FlashCato Networks alternatives: Cisco Secure Access, Fortinet FortiSASE, Netskope One
Qwen 3.7 FlashCato Networks alternatives: Cloudflare One, Prisma Access, Zscaler Zero Trust Exchange
Kimi K2Cato Networks alternatives: Fortinet FortiSASE, Netskope One
GLM 4.7 FlashXCisco Catalyst SD-WAN, Cisco Secure Access alternatives: Cato Networks, Fortinet FortiSASE, Palo Alto Networks Prisma SASE, Zscaler Zero Trust Exchange
MiniMax M2.5Cato Networks alternatives: Cisco Secure Access, Netskope One, Palo Alto Networks Prisma Access, Zscaler Zero Trust Exchange
GPT-6 LunaCato Networks alternatives: Fortinet FortiSASE, Netskope One, Zscaler Zero Trust Exchange
Muse Glimmer 30BCato Networks Cato SASE Cloud alternatives: Check Point Harmony SASE, Cisco Secure Access, Cisco Umbrella, Cloudflare One, Fortinet FortiSASE

Neither was named

2 of 14 modelsThe answer made no first choice from these two in this category.
Grok 4.20Cato Networks' Cato SASE Cloud alternatives: Netskope One, Palo Alto Networks Prisma SASE
Llama 4 MaverickCato Networks alternatives: Cloudflare One

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 FortiSASE leads by five points.
Fortinet FortiSASE5%#3 of 12
Zscaler Zero Trust Exchange0%#12 of 12
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
Fortinet FortiSASE2%#5 of 10
Zscaler Zero Trust Exchange2%#7 of 10
The full mid-market standing →
Enterprise
The order flips: Zscaler Zero Trust Exchange leads at enterprise.
Zscaler Zero Trust Exchange15%#2 of 9
Fortinet FortiSASE7%#5 of 9
The full enterprise standing →

What the models said about Fortinet FortiSASE

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Users and analysts advise avoiding it due to significant architectural and usability concerns.” Mistral Small · negative prompt · hard negative
“mentioned as being "poorly thought out" and to "avoid at all costs" in a Reddit comment” Llama 4 Maverick · negative prompt · hard negative
“Gartner moved it from Leader to Challenger in 2026; coverage of the report cited delayed feature enhancements and below-average customer experience.” GPT-6 Luna · negative prompt · soft negative
“I'd pick FortiSASE for the most common mid-market B2B scenario” GPT-5.4 mini · direct prompt · first choice
“Known for being considerably cheaper than top-tier competitors, making it a strong value proposition for mid-market organizations.” Mistral Small · budget prompt · alternative
“if you're already invested in the Fortinet ecosystem, FortiSASE is arguably the most pragmatic and cost-efficient choice” DeepSeek V4 Flash · paraphrase prompt · alternative

What the models said about Zscaler Zero Trust Exchange

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.

“has a high negative share on the IT AI Recommendation Index, with 62% of labels being negative, and has been known to have outages and latency issues” Llama 4 Maverick · negative prompt · hard negative
“Avoid Zscaler unless you're scaling toward enterprise (it's often overkill and pricier for mid-market).” Grok 4.20 · direct prompt · hard negative
“What to Avoid on a Budget ... Zscaler | Typically $6–$10+/user at minimum; enterprise-focused” Kimi K2 · budget prompt · hard negative
“Choose Zscaler if your priority is zero-trust security and eliminating direct internet access completely.” Qwen 3.7 Flash · comparative prompt · first choice
“Zscaler leads with a 21% market share... Zscaler, Palo Alto, and Cato are the clear leaders” Mistral Small · comparative prompt · first choice
“Zscaler Zero Trust Exchange and Cisco Secure Connect are the top choices” Mistral Small · paraphrase prompt · first choice
Also compared

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.