# NordLayer vs Zscaler Private Access: which do AI models recommend for ZTNA, October 2026

IT AI Recommendation Index, October 2026 Edition, Zero trust network access. One of fourteen models named NordLayer first on the direct prompt; one named Zscaler Private Access. Page: https://it-ai-index.com/network/zero-trust-network-access/nordlayer-vs-zscaler-private-access/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| NordLayer | 3% | #4 of 11 | 11% | 18 | 9 of 14 |
| Zscaler Private Access | 3% | #6 of 11 | 45% | 51 | 14 of 14 |

## The direct prompt, model by model

- Perplexity Sonar: nordlayer first (first choices: Cloudflare One, NordLayer) (alternatives: Cato Networks, Cisco Secure Access, Portnox)
- GPT-5.4 mini: zscaler private access first (first choices: Zscaler Private Access) (alternatives: Cloudflare One, Netskope One SSE, Prisma Access)
- Claude Haiku 4.5: neither first, one named (first choices: Cato Networks, Twingate) (alternatives: Cloudflare One, NordLayer)
- Mistral Small: neither first, one named (first choices: Check Point Harmony SASE, Netskope Private Access) (alternatives: Cloudflare One, Twingate, Zscaler Private Access)
- DeepSeek V4 Flash: neither first, one named (first choices: Cloudflare One, Twingate) (alternatives: Cato Networks, Check Point Harmony SASE, NordLayer)
- Kimi K2: neither first, one named (first choices: Cloudflare One, Twingate) (alternatives: Cato Networks, Netskope Private Access, NordLayer, Zscaler Private Access)
- Gemini 3.5 Flash: neither named (first choices: Twingate) (alternatives: Cato Networks, Check Point Harmony SASE, Cloudflare One, Microsoft Entra Private Access)
- Grok 4.1 Fast: neither named (first choices: Cloudflare One, Twingate) (alternatives: Cato Networks, Microsoft Entra Private Access, OpenVPN CloudConnexa)
- Llama 4 Maverick: neither named (first choices: Cato Networks) (alternatives: Check Point Harmony SASE, OpenVPN CloudConnexa)
- Qwen 3.7 Flash: neither named (first choices: Twingate) (alternatives: Cloudflare One, Fortinet Universal ZTNA)
- GLM 4.7 FlashX: neither named (first choices: Cato Networks) (alternatives: Check Point Harmony SASE, Cloudflare One, Fortinet FortiZTNA)
- MiniMax M2.5: neither named (first choices: Cato Networks, Cloudflare One) (alternatives: Axis Security, Banyan Security, OpenVPN CloudConnexa)
- GPT-6 Luna: neither named (first choices: Cloudflare One) (alternatives: Microsoft Entra Private Access, Twingate)
- Muse Glimmer 30B: neither named (first choices: Cloudflare One, Twingate) (alternatives: Cato Networks, Check Point Harmony SASE, Fortinet Universal ZTNA)

## What the models said about NordLayer

- "More of a "business VPN with ZTNA features" than a pure zero trust architecture" (DeepSeek V4 Flash, paraphrase prompt, soft negative)
- "Affordable but no robust free tier." (Grok 4.1 Fast, budget prompt, soft negative)
- "NordLayer is the safest pick if you want the simplest mid-market VPN replacement with fast onboarding" (Perplexity Sonar, direct prompt, first choice)
- "I'd lean toward Twingate or NordLayer" (Kimi K2, paraphrase prompt, first choice)
- "A strong option for mid-sized organizations wanting zero trust access controls without extensive infrastructure changes" (Claude Haiku 4.5, direct prompt, alternative)

## What the models said about Zscaler Private Access

- "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)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.