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Web application firewalls · November 2026 Edition

AWS WAF vs Imperva Cloud WAF

Zero of fourteen models named AWS WAF first on the direct prompt; zero named Imperva Cloud WAF. Both were named by all fourteen models and AWS WAF carries 56 labels and Imperva Cloud WAF 46, so the shares are not directly comparable.

AWS WAF

accepted challenger

Named in four categories this edition.

Imperva Cloud WAF

accepted challenger

Named in one category this edition.

First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate11%20%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#4A position in a field of 12; printed, not drawn.
Labels5646A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, AWS WAF reading right to left. Rank and label count are printed, not drawn.Cloudflare WAF was named alongside these two in fourteen of the fourteen direct answers. Cloudflare WAF vs AWS WAF · Cloudflare WAF vs Imperva Cloud WAF · Sucuri WAF vs AWS WAF

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 web application firewalls page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
AWS WAFFirst choices, of fourteen modelsImperva Cloud WAF
Direct003 against Imperva Cloud WAF
Paraphrase10
Comparative01
Budget-constrained002 against AWS WAF · 2 against Imperva Cloud WAF
Scale-constrained01
Negative004 against AWS WAF · 4 against Imperva Cloud WAF
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, AWS WAF and Imperva Cloud WAF were named in the same answer 107 times, of the 198 answers naming AWS WAF and the 145 naming Imperva Cloud WAF. In those answers Imperva Cloud WAF took the first choice eleven times and AWS WAF one.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where AWS WAF and Imperva Cloud WAF 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
AWS WAF Imperva Cloud WAF first choice named as an alternative argued againstblank: not namedEach cell is one answer, AWS WAF on the left and Imperva Cloud WAF on the right.

The direct prompt

The plain question, one answer per model, grouped by where AWS WAF and Imperva Cloud WAF stood in it.

Neither was the first choice, one was named

12 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniCloudflare WAF alternatives: AWS WAF, F5 Distributed Cloud WAF, Fastly Next-Gen WAF
Gemini 3.5 FlashCloudflare WAF alternatives: AWS WAF, Fastly Next-Gen WAF, Imperva App Protect
Perplexity SonarCloudflare WAF alternatives: AWS WAF, Barracuda WAF, Fastly Next-Gen WAF
Grok 4.20Cloudflare WAF alternatives: AWS WAF, Azure WAF, Barracuda WAF, Fastly Next-Gen WAF
Mistral SmallCloudflare WAF alternatives: AWS WAF, Imperva SecureSphere
DeepSeek V4 FlashCloudflare WAF alternatives: AWS WAF, Barracuda WAF-as-a-Service, Imperva Application Security
Qwen 3.7 FlashCloudflare WAF alternatives: AWS WAF, Azure Front Door, F5 Distributed Cloud WAF, Imperva Cloud WAF
Kimi K2Cloudflare WAF alternatives: AWS WAF, Imperva Cloud WAF
GLM 4.7 FlashXCloudflare WAF alternatives: AWS WAF, Imperva Cloud WAF
MiniMax M2.5Cloudflare WAF alternatives: AWS WAF, Azure WAF, Fastly Next-Gen WAF, Fortinet FortiWeb, Google Cloud Armor, Imperva Cloud WAF, Radware Cloud WAF Service
GPT-6 LunaCloudflare WAF alternatives: AWS WAF
Muse Glimmer 30BCloudflare WAF alternatives: AWS WAF, Barracuda Web Application Firewall

Neither was named

2 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Barracuda WAF alternatives: Cloudflare WAF, Microsoft Azure WAF
Llama 4 MaverickCloudflare WAF

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
Level: the same share of first choices.
AWS WAF0%#3 of 9
Imperva Cloud WAF0%#9 of 9
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
AWS WAF2%#3 of 12
Imperva Cloud WAF2%#4 of 12
The full mid-market standing →
Enterprise
Imperva Cloud WAF leads by nineteen points.
Imperva Cloud WAF19%#2 of 9
AWS WAF0%#8 of 9
The full enterprise standing →

What the models said about AWS WAF

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

“Out-of-the-box cloud WAF rules (e.g., basic default AWS WAF or Azure WAF rules) without fine-tuning either block legitimate traffic or miss application-specific flaws.” Gemini 3.5 Flash · negative prompt · soft negative
“avoid high licensing costs (often $5K–$50K+/year for commercial tools like Cloudflare Enterprise, AWS WAF, or Imperva)” Grok 4.20 · budget prompt · soft negative
“Cloudflare or AWS WAF tend to offer the best value with solid protection” Claude Haiku 4.5 · paraphrase prompt · first choice
“If your company's infrastructure is already hosted on Amazon Web Services (AWS), using AWS WAF is likely the most cost-effective path.” Qwen 3.7 Flash · budget prompt · alternative
“Strong integration with CloudFront and other AWS services; cost-efficient if the application is already deeply invested in AWS.” Perplexity Sonar · direct prompt · alternative

What the models said about Imperva Cloud WAF

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

“Imperva SecureSphere due to the documented critical bypass CVEs.” DeepSeek V4 Flash · negative prompt · hard negative
“Avoid enterprise solutions (Imperva, Akamai, F5)” DeepSeek V4 Flash · budget prompt · hard negative
“Effective for bots/anti-bot but cracked in some 2023 attacks; bypasses with double encoding or anti-bot evasion. High cost and tuning needs.” Grok 4.20 · negative prompt · soft negative
“Top security efficacy scores (100% in recent SecureIQLab testing), strong API security, fully managed options | Companies wanting maximum protection with minimal in-house effort” DeepSeek V4 Flash · scale prompt · first choice
“Cloudflare and Imperva often score highest in detection rate (70-90%+) with balanced false positives” Grok 4.20 · comparative prompt · first choice
“For enterprise-grade security with data-layer coverage: Imperva WAF offers comprehensive protection and hybrid deployment options.” GLM 4.7 FlashX · 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.