Three 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 64 labels and Zscaler Private Access 54, so the shares are not directly comparable.
Named in ten categories this edition.
Named in six categories this edition.
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.
Across every category in the November 2026 Edition, Cloudflare One and Zscaler Private Access were named in the same answer 144 times, of the 421 answers naming Cloudflare One and the 198 naming Zscaler Private Access. In those answers Zscaler Private Access took the first choice fifty-one times and Cloudflare One forty.
| 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 |
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.
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. One of one in this category shown.
“Cloudflare Zero Trust: A cloud-based service that provides secure access to applications and resources without the need for a VPN. It offers a free tier for up to 50 users and can replace legacy VPNs in days, not months.” Llama 4 Maverick · paraphrase prompt · first choice
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“suggest avoiding Zscaler for mid-market organizations, citing complexity, high cost, and being designed primarily for Fortune 500 scale” Mistral Small · negative prompt · hard negative
“What to Avoid - Zscaler Private Access — Overkill and overpriced for mid-market” Kimi K2 · paraphrase prompt · hard negative
“"The most severe flaw is CVE-2025-54982, which affects Zscaler's SAML authentication mechanism." ... verify the exact build and patch level for SAML/SSO integration” Muse Glimmer 30B · negative prompt · soft negative
“One of the pioneers of cloud-delivered ZTNA and "widely adopted in enterprise"... Enterprise scale VPN replacement: Zscaler Private Access for large enterprises replacing VPN at scale.” Muse Glimmer 30B · comparative prompt · first choice
“| 1 | Zscaler (ZPA + Zscaler One) | SSE / SASE | Mature, large global PoP footprint, strong app segmentation, excellent threat protection” Grok 4.20 · comparative prompt · first choice
“For most mid-sized B2B companies, Zscaler Private Access and Cisco Duo are the most mature and widely adopted solutions.” Mistral Small · paraphrase prompt · first choice
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.