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Load balancers · October 2026 Edition

NGINX vs Azure Load Balancer

Four of fourteen models named NGINX first on the direct prompt; one named Azure Load Balancer. NGINX was named by fourteen of the fourteen models and Azure Load Balancer by thirteen and NGINX carries 53 labels and Azure Load Balancer 29, so the shares are not directly comparable.

NGINX

accepted challenger

Named in two categories this edition.

Azure Load Balancer

accepted challenger

Named in one category this edition.

First-choice share15%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate4%14%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#7A position in a field of 13; printed, not drawn.
Labels5329A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, NGINX reading right to left. Rank and label count are printed, not drawn.HAProxy was named alongside these two in ten of the fourteen direct answers. HAProxy vs NGINX · HAProxy vs Azure Load Balancer · Progress Kemp LoadMaster vs NGINX

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 load balancers page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
NGINXFirst choices, of fourteen modelsAzure Load Balancer
Direct41
Paraphrase00
Comparative10
Budget-constrained302 against Azure Load Balancer
Scale-constrained10
Negative102 against NGINX · 2 against Azure Load Balancer
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, NGINX and Azure Load Balancer were named in the same answer sixty-three times, of the 191 answers naming NGINX and the 83 naming Azure Load Balancer. In those answers Azure Load Balancer took the first choice three times and NGINX fourteen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where NGINX and Azure Load Balancer stood in it.
ModelDirectALParaphraseALComparativeALBudget-constrainedALScale-constrainedALNegativeAL
Claude Haiku 4.5AL
GPT-5.4 miniAL
Gemini 3.5 FlashAL
Perplexity Sonar
Grok 4.1 FastALAL
Mistral SmallALAL
DeepSeek V4 FlashALALAL
Llama 4 Maverick
Qwen 3.7 FlashAL
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5ALALAL
GPT-6 LunaALAL
Muse Glimmer 30BALAL
NGINXAL Azure Load Balancer first choice named as an alternative argued againstblank: not namedEach cell is one answer, NGINX on the left and Azure Load Balancer on the right.

The direct prompt

The plain question, one answer per model, grouped by where NGINX and Azure Load Balancer stood in it.

Both were the first choice

1 of 14 modelsThe answer named them together, and the judge labeled each a first choice.
Claude Haiku 4.5AWS Elastic Load Balancing, Azure Load Balancer, NGINX alternatives: Citrix ADC, F5, HAProxy

NGINX first, Azure Load Balancer an alternative

3 of 14 modelsAzure Load Balancer was named in the answer but not as the choice, or not at all.
Grok 4.1 FastHAProxy, NGINX alternatives: AWS ALB, Azure Load Balancer, Cloudflare Load Balancing, GCP Cloud Load Balancing, Progress Kemp LoadMaster
Qwen 3.7 FlashAWS Elastic Load Balancing, Azure Application Gateway, NGINX alternatives: Cloudflare Load Balancing, HAProxy
GLM 4.7 FlashXNGINX, Progress Kemp LoadMaster alternatives: F5 BIG-IP, HAProxy

Neither was the first choice, one was named

6 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniApplication Load Balancer alternatives: Azure Load Balancer, Google Cloud's Application Load Balancer, Network Load Balancer
Gemini 3.5 FlashCloudflare Load Balancing alternatives: AWS Elastic Load Balancing, Azure Application Gateway, HAProxy, NGINX, Progress Kemp LoadMaster
DeepSeek V4 FlashProgress Kemp LoadMaster alternatives: AWS Application Load Balancer, Cloudflare Load Balancing, HAProxy, NGINX
MiniMax M2.5Progress Kemp LoadMaster alternatives: AWS Elastic Load Balancing, Azure Load Balancer, Cloudflare Load Balancing, GCP Cloud Load Balancing, NGINX
GPT-6 LunaAWS Application Load Balancer alternatives: Azure Application Gateway, Azure Load Balancer, Cloudflare Load Balancing, Google Cloud Application Load Balancer, Google Cloud Network Load Balancer
Muse Glimmer 30BProgress Kemp LoadMaster alternatives: AWS Elastic Load Balancing, Azure Load Balancer, Cloudflare Load Balancing, HAProxy, NGINX

Neither was named

4 of 14 modelsThe answer made no first choice from these two in this category.
Perplexity SonarHAProxy alternatives: AWS Elastic Load Balancing, Azure Application Gateway
Mistral SmallCloudflare Load Balancing alternatives: HAProxy, Progress Kemp LoadMaster, VMware Avi Load Balancer
Llama 4 Maverickno first choice
Kimi K2HAProxy, Progress Kemp LoadMaster alternatives: F5 NGINX

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
NGINX leads by nine points.
NGINX14%#2 of 13
Azure Load Balancer6%#6 of 13
The full small business standing →
Mid-marketThe figures above
NGINX leads by thirteen points.
NGINX15%#3 of 13
Azure Load Balancer2%#7 of 13
The full mid-market standing →
Enterprise
NGINX leads by four points.
NGINX4%#4 of 10
Azure Load Balancer0%#10 of 10
The full enterprise standing →

What the models said about NGINX

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

“running them on under-powered virtual machines ... creates a bottleneck” Qwen 3.7 Flash · negative prompt · soft negative
“Don't use Nginx for complex load balancing - It's a web server first” Kimi K2 · negative prompt · soft negative
“A well-run software load balancer (HAProxy or NGINX) or a cloud-managed service will give you the performance, flexibility, and cost-effectiveness you need” DeepSeek V4 Flash · scale prompt · first choice
“a cloud-based load balancer (if you're in the cloud) or Nginx (if on-premises) represents the best balance of cost, performance, and ease of management” Claude Haiku 4.5 · direct prompt · first choice
“The Industry Standard (Flexible & Powerful): NGINX ... If you are moving toward a microservices/Kubernetes architecture, transition to NGINX Ingress.” Qwen 3.7 Flash · direct prompt · first choice

What the models said about Azure Load Balancer

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

“Cloud-native load balancers (AWS ELB, Azure LB, GCP LB) ... may lack deep packet inspection, advanced routing rules, or cross-cloud consistency” MiniMax M2.5 · negative prompt · soft negative
“Traefik is rated higher for value, with reviewers expressing greater satisfaction with its pricing compared to Azure Load Balancer.” Muse Glimmer 30B · budget prompt · soft negative
“excellent within their ecosystems but can lead to vendor lock-in” Mistral Small · negative prompt · soft negative
“Cloud-native load balancers (AWS ALB, Azure LB) are often the best fit” Claude Haiku 4.5 · direct prompt · first choice
“Azure Load Balancer for network-layer distribution, especially in Azure-native environments.” GPT-5.4 mini · direct prompt · alternative
“AWS Elastic Load Balancing, Azure Load Balancer, or Google Cloud Load Balancing” MiniMax M2.5 · budget 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.