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Index › Network and edge › ZTNA › Tailscale vs Check Point Harmony SASE
Zero trust network access · October 2026 Edition

Tailscale vs Check Point Harmony SASE

Zero of fourteen models named Tailscale first on the direct prompt; one named Check Point Harmony SASE. Tailscale was named by twelve of the fourteen models and Check Point Harmony SASE by twelve and Tailscale carries 25 labels and Check Point Harmony SASE 30, so the shares are not directly comparable.

Tailscale

accepted challenger

Named in three categories this edition.

Check Point Harmony SASE

criticized challenger

Named in five categories this edition.

First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate24%33%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#7#8A position in a field of 11; printed, not drawn.
Labels2530A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Tailscale reading right to left. Rank and label count are printed, not drawn.Cloudflare One was named alongside these two in thirteen of the fourteen direct answers. Twingate vs Tailscale · Twingate vs Check Point Harmony SASE · Cloudflare One vs Tailscale

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.
TailscaleFirst choices, of fourteen modelsCheck Point Harmony SASE
Direct01
Paraphrase002 against Tailscale
Comparative001 against Tailscale · 1 against Check Point Harmony SASE
Budget-constrained002 against Tailscale · 1 against Check Point Harmony SASE
Scale-constrained10
Negative101 against Tailscale · 8 against Check Point Harmony SASE
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, Tailscale and Check Point Harmony SASE were named in the same answer thirty-three times, of the 98 answers naming Tailscale and the 142 naming Check Point Harmony SASE. In those answers Check Point Harmony SASE took the first choice one time and Tailscale three.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Tailscale and Check Point Harmony SASE stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Tailscale Check Point Harmony SASE first choice named as an alternative argued againstblank: not namedEach cell is one answer, Tailscale on the left and Check Point Harmony SASE on the right.

The direct prompt

The plain question, one answer per model, grouped by where Tailscale and Check Point Harmony SASE stood in it.

Check Point Harmony SASE first, Tailscale not the choice

1 of 14 modelsTailscale was named in the answer but not as the choice, or not at all.
Mistral SmallCheck Point Harmony SASE, Netskope Private Access alternatives: Cloudflare One, Twingate, Zscaler Private 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.
Gemini 3.5 FlashTwingate alternatives: Cato Networks, Check Point Harmony SASE, Cloudflare One, Microsoft Entra Private Access
DeepSeek V4 FlashCloudflare One, Twingate alternatives: Cato Networks, Check Point Harmony SASE, NordLayer
Llama 4 MaverickCato Networks alternatives: Check Point Harmony SASE, OpenVPN CloudConnexa
GLM 4.7 FlashXCato Networks alternatives: Check Point Harmony SASE, Cloudflare One, Fortinet FortiZTNA
Muse Glimmer 30BCloudflare One, Twingate alternatives: Cato Networks, Check Point Harmony SASE, Fortinet Universal ZTNA

Neither was named

8 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Cato Networks, Twingate alternatives: Cloudflare One, NordLayer
GPT-5.4 miniZscaler Private Access alternatives: Cloudflare One, Netskope One SSE, Prisma Access
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
Qwen 3.7 FlashTwingate alternatives: Cloudflare One, Fortinet Universal ZTNA
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

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
Tailscale leads by seven points.
Tailscale8%#3 of 10
Check Point Harmony SASE2%#4 of 10
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
Tailscale2%#7 of 11
Check Point Harmony SASE2%#8 of 11
The full mid-market standing →
Enterprise
Level: the same share of first choices.
Tailscale0%#– of 8
Check Point Harmony SASE0%#– of 8
The full enterprise standing →

What the models said about Tailscale

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

“Good for developer-heavy environments, but operates more at network layer (Layer 4) than true application-layer zero trust” Kimi K2 · paraphrase prompt · soft negative
“may lack full enterprise ZTNA compliance (e.g., advanced posture or auditing) without self-hosting effort” Grok 4.1 Fast · budget prompt · soft negative
“License concerns: 2024 BSL (Business Source License) switch raised community concerns” MiniMax M2.5 · negative prompt · soft negative
“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
“Tailscale: For rapid deployment and ease of use (avoid if you need strict compliance granularities)” Qwen 3.7 Flash · negative prompt · first choice
“Best for developer-friendly private networking: Tailscale, for engineering teams that need fast, lightweight secure remote access.” Muse Glimmer 30B · paraphrase prompt · alternative

What the models said about Check Point Harmony SASE

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

“Avoid or delay: Any vendor from the DEF CON research until you verify their remediation is architectural, not just patched” Kimi K2 · negative prompt · hard negative
“Hard-coded encryption keys (CVE-2025-3831) that exposed customer data through diagnostic logs” DeepSeek V4 Flash · negative prompt · hard negative
“When to avoid: If log security or crypto hygiene is critical.” Grok 4.1 Fast · negative prompt · hard negative
“Check Point Harmony SASE (formerly Perimeter 81) and Netskope ZTNA are the top recommendations” Mistral Small · direct prompt · first choice
“"Check Point Harmony SASE (formerly Perimeter 81) is a cloud-based zero-trust platform combining ZTNA with a Secure Web Gateway."” Muse Glimmer 30B · comparative prompt · alternative
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.