Zero trust network access · October 2026 Edition
Cloudflare One vs Zscaler Private Access
Seven of fourteen models named Cloudflare One first on the direct prompt; one named Zscaler Private Access. Both were named by all fourteen models and Cloudflare One carries 56 labels and Zscaler Private Access 51, so the shares are not directly comparable.
Named in six categories this edition.
Named in three categories this edition.
First-choice share38%3%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate4%45%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#6A position in a field of 11; printed, not drawn.
Labels5651A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Cloudflare One 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. Twingate vs Cloudflare One · Twingate vs Zscaler Private Access · Cloudflare One vs Cato Networks
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 zero trust network access page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Cloudflare OneFirst choices, of fourteen modelsZscaler Private Access
Direct715 against Zscaler Private Access
Paraphrase415 against Zscaler Private Access
Comparative08
Budget-constrained1001 against Zscaler Private Access
Scale-constrained304 against Zscaler Private Access
Negative002 against Cloudflare One · 8 against Zscaler Private Access
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 October 2026 Edition, Cloudflare One and Zscaler Private Access were named in the same answer 139 times, of the 397 answers naming Cloudflare One and the 209 naming Zscaler Private Access. In those answers Zscaler Private Access took the first choice forty-four times and Cloudflare One forty-eight.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Cloudflare One and Zscaler Private Access 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 4.1 Fast | | | | | | |
| 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 | | | | | |
Cloudflare One Zscaler Private Access first choice named as an alternative argued againstblank: not namedEach cell is one answer, Cloudflare One on the left and Zscaler Private Access on the right.The direct prompt
The plain question, one answer per model, grouped by where Cloudflare One and Zscaler Private Access stood in it.
Cloudflare One first, Zscaler Private Access an alternative
7 of 14 modelsZscaler Private Access was named in the answer but not as the choice, or not at all.Perplexity SonarCloudflare One, NordLayer alternatives: Cato Networks, Cisco Secure Access, Portnox
Grok 4.1 FastCloudflare One, Twingate alternatives: Cato Networks, Microsoft Entra Private Access, OpenVPN CloudConnexa
DeepSeek V4 FlashCloudflare One, Twingate alternatives: Cato Networks, Check Point Harmony SASE, NordLayer
Kimi K2Cloudflare One, Twingate alternatives: Cato Networks, Netskope Private Access, NordLayer, Zscaler Private Access
MiniMax M2.5Cato Networks, Cloudflare One alternatives: Axis Security, Banyan Security, OpenVPN CloudConnexa
GPT-6 LunaCloudflare One alternatives: Microsoft Entra Private Access, Twingate
Muse Glimmer 30BCloudflare One, Twingate alternatives: Cato Networks, Check Point Harmony SASE, Fortinet Universal ZTNA
Zscaler Private Access first, Cloudflare One an alternative
1 of 14 modelsCloudflare One was named in the answer but not as the choice, or not at all.GPT-5.4 miniZscaler Private Access alternatives: Cloudflare One, Netskope One SSE, Prisma Access
Neither was the first choice, one was named
5 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5Cato Networks, Twingate alternatives: Cloudflare One, NordLayer
Gemini 3.5 FlashTwingate alternatives: Cato Networks, Check Point Harmony SASE, Cloudflare One, Microsoft Entra Private Access
Mistral SmallCheck Point Harmony SASE, Netskope Private Access alternatives: Cloudflare One, Twingate, Zscaler Private Access
Qwen 3.7 FlashTwingate alternatives: Cloudflare One, Fortinet Universal ZTNA
GLM 4.7 FlashXCato Networks alternatives: Check Point Harmony SASE, Cloudflare One, Fortinet FortiZTNA
Neither was named
1 of 14 modelsThe answer made no first choice from these two in this category.Llama 4 MaverickCato Networks alternatives: Check Point Harmony SASE, OpenVPN CloudConnexa
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
Cloudflare One leads by fifty-eight points.
Cloudflare One58%#1 of 10Zscaler Private Access0%#10 of 10Mid-marketThe figures above
Cloudflare One leads by thirty-four points.
Cloudflare One38%#2 of 11Zscaler Private Access3%#6 of 11Enterprise
The order flips: Zscaler Private Access leads at enterprise.
Zscaler Private Access53%#1 of 8Cloudflare One12%#2 of 8What the models said about Cloudflare One
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“Pure ZTNA (e.g., Twingate, Tailscale, Cloudflare Zero Trust): Great if you just want to kill the VPN and grant app-level access. Low overhead, easy to implement.” Qwen 3.7 Flash · scale prompt · first choice
“Cloudflare Zero Trust (specifically Cloudflare Access for ZTNA) stands out as the best option for a company with a limited budget.” Grok 4.1 Fast · budget prompt · first choice
What the models said about Zscaler Private Access
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Avoid Zscaler for mid-market: It's powerful but designed for Fortune 500 scale—complex, expensive, and often overkill” Kimi K2 · paraphrase prompt · hard negative
“ZTNA Vendors to Approach with Caution ... Zscaler ... CVE-2025-54982: A SAML authentication bypass” DeepSeek V4 Flash · negative prompt · hard negative
“CVE-2025-54982: SAML authentication bypass due to failure to validate signed assertions” Kimi K2 · negative prompt · hard negative
“Zscaler Private Access is the market-leading ZTNA solution, delivering inside-out connectivity that never exposes applications to the internet” Claude Haiku 4.5 · comparative prompt · first choice
“Complex, global enterprise needing high compliance | Zscaler Private Access | Robust, highly certified, and built for massive scale.” Gemini 3.5 Flash · comparative prompt · first choice
“Zscaler is often treated as the canonical pure-play ZTNA vendor... Choose Zscaler if you want a widely recognized ZTNA leader” GPT-5.4 mini · comparative prompt · first choice
Also compared
Twingate vs Cloudflare OneTwingate vs Zscaler Private AccessCloudflare One vs Cato NetworksCloudflare One vs NordLayerCloudflare One vs OpenVPN CloudConnexaCloudflare One vs TailscaleCloudflare One vs Check Point Harmony SASECato Networks vs Zscaler Private AccessNordLayer vs Zscaler Private AccessOpenVPN CloudConnexa vs Zscaler Private AccessZscaler Private Access vs TailscaleZscaler Private Access vs Check Point Harmony SASEAll twenty-eight head-to-head pages and the full ZTNA 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.