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Load balancers · November 2026 Edition
Progress Kemp LoadMaster vs AWS Elastic Load Balancing
Three of fourteen models named Progress Kemp LoadMaster first on the direct prompt; zero named AWS Elastic Load Balancing. Progress Kemp LoadMaster was named by six of the fourteen models and AWS Elastic Load Balancing by fourteen and Progress Kemp LoadMaster carries 11 labels and AWS Elastic Load Balancing 34, so the shares are not directly comparable.
Progress Kemp LoadMaster
accepted challengerNamed in one category this edition.
AWS Elastic Load Balancing
accepted challengerNamed in one category this edition.
First-choice share12%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate9%9%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#5A position in a field of 16; printed, not drawn.
Labels1134A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Progress Kemp LoadMaster reading right to left. Rank and label count are printed, not drawn.NGINX was named alongside these two in eleven of the fourteen direct answers. HAProxy vs Progress Kemp LoadMaster · HAProxy vs AWS Elastic Load Balancing · NGINX vs Progress Kemp LoadMaster
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.
Progress Kemp LoadMasterFirst choices, of fourteen modelsAWS Elastic Load Balancing
Direct301 against AWS Elastic Load Balancing
Paraphrase30
Comparative01
Budget-constrained011 against AWS Elastic Load Balancing
Scale-constrained01
Negative001 against Progress Kemp LoadMaster · 1 against AWS Elastic Load Balancing
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.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Progress Kemp LoadMaster and AWS Elastic Load Balancing stood in it.
| Model | DirectPKAE | ParaphrasePKAE | ComparativePKAE | Budget-constrainedPKAE | Scale-constrainedPKAE | NegativePKAE |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | AE | AE | ||||
| GPT-5.4 mini | ||||||
| Gemini 3.5 Flash | PK | PK | AE | AE | ||
| Perplexity Sonar | PKAE | PK | AE | AE | ||
| Grok 4.20 | PK | AE | AE | AE | AE | |
| Mistral Small | AE | AE | ||||
| DeepSeek V4 Flash | PKAE | PK | AE | AE | AE | PKAE |
| Llama 4 Maverick | AE | |||||
| Qwen 3.7 Flash | AE | AE | ||||
| Kimi K2 | AE | |||||
| GLM 4.7 FlashX | PK | AE | PK | |||
| MiniMax M2.5 | AE | AE | ||||
| GPT-6 Luna | ||||||
| Muse Glimmer 30B | PKAE | AE |
PK Progress Kemp LoadMasterAE AWS Elastic Load BalancingPK first choicePK named as an alternativePK argued againstblank: not namedEach cell is one answer, Progress Kemp LoadMaster on the left and AWS Elastic Load Balancing on the right.
The direct prompt
The plain question, one answer per model, grouped by where Progress Kemp LoadMaster and AWS Elastic Load Balancing stood in it.
Progress Kemp LoadMaster first, AWS Elastic Load Balancing an alternative
3 of 14 modelsAWS Elastic Load Balancing was named in the answer but not as the choice, or not at all.Perplexity SonarProgress Kemp LoadMaster alternatives: AWS Elastic Load Balancing, Cloudflare Load Balancing, HAProxy, NGINX
DeepSeek V4 FlashHAProxy, Progress Kemp LoadMaster alternatives: NGINX
GLM 4.7 FlashXProgress Kemp LoadMaster alternatives: Cloudflare Load Balancing, HAProxy, NGINX
Neither was the first choice, one was named
3 of 14 modelsThe answer put something else first and named one of the two as an alternative.Gemini 3.5 FlashCloudflare Load Balancing alternatives: AWS Application Load Balancer, Azure Application Gateway, GCP Cloud Load Balancing, HAProxy, NGINX, Progress Kemp LoadMaster
Grok 4.20HAProxy alternatives: AWS Elastic Load Balancing (ELB) – ALB/NLB, Cloudflare Load Balancing, Loadbalancer.org Enterprise ADC, NGINX, Progress Kemp LoadMaster
Muse Glimmer 30BHAProxy alternatives: AWS Elastic Load Balancing, Azure Load Balancer, NGINX, Progress Kemp LoadMaster
Neither was named
8 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5AWS Application Load Balancer, Azure Load Balancer, Network Load Balancer alternatives: Google Cloud Load Balancing, NGINX
GPT-5.4 miniAWS Application Load Balancer alternatives: AWS Network Load Balancer, Cloudflare Load Balancing, Google Cloud Application Load Balancer
Mistral SmallNGINX alternatives: Citrix ADC, F5 BIG-IP, HAProxy, Kemp LoadMaster, Loadbalancer.org Enterprise ADC
Llama 4 MaverickNGINX alternatives: Citrix ADC, F5 BIG-IP, HAProxy, Kemp LoadMaster
Qwen 3.7 FlashNGINX alternatives: Application Load Balancer, HAProxy
Kimi K2Kemp LoadMaster alternatives: HAProxy
MiniMax M2.5no first choice alternatives: AWS Application Load Balancer, Azure Load Balancer, Citrix ADC, F5 BIG-IP, Google Cloud Load Balancing, HAProxy, NGINX
GPT-6 LunaApplication Load Balancer alternatives: Application Gateway, External Application Load Balancer, Front Door, Network Load Balancer
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
AWS Elastic Load Balancing leads by five points.
AWS Elastic Load Balancing14%#2 of 14
Progress Kemp LoadMaster9%#– of 14
The full small business standing →Mid-marketThe figures above
The order flips: Progress Kemp LoadMaster leads at mid-market.
Progress Kemp LoadMaster12%#4 of 16
AWS Elastic Load Balancing4%#5 of 16
The full mid-market standing →Enterprise
Progress Kemp LoadMaster leads by three points.
Progress Kemp LoadMaster8%#4 of 16
AWS Elastic Load Balancing5%#5 of 16
The full enterprise standing →What the models said about Progress Kemp LoadMaster
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“CVE-2026-8037 - a pre-authentication command injection vulnerability ... Actively being exploited in attacks” GLM 4.7 FlashX · negative prompt · hard negative
“Progress Kemp LoadMaster — if you value ease of use, good security features out-of-the-box” DeepSeek V4 Flash · direct prompt · first choice
“For most mid-market B2B companies, Progress Kemp LoadMaster is the best default choice.” Perplexity Sonar · direct prompt · first choice
“Best Overall for Value, Simplicity & Hybrid IT: Progress Kemp LoadMaster” Gemini 3.5 Flash · paraphrase prompt · first choice
What the models said about AWS Elastic Load Balancing
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“Internet-facing AWS ALB/NLB or similar cloud LBs when they should be internal: A very common misconfiguration exposes backend services publicly.” Grok 4.20 · negative prompt · soft negative
“may be overkill unless you're already using those cloud platforms” DeepSeek V4 Flash · budget prompt · soft negative
“Companies fully committed to AWS (but creates vendor lock-in)” DeepSeek V4 Flash · direct prompt · soft negative
“Fully in AWS/Azure/GCP: Stick to native cloud load balancers (AWS ALB/NLB, Azure ALB, GCP Cloud LB). It minimizes overhead” Gemini 3.5 Flash · scale prompt · first choice
“1 | AWS Elastic Load Balancing (ALB/NLB/GWLB) | Cloud-native (AWS) | AWS-centric apps, microservices, containers” Grok 4.20 · comparative prompt · first choice
“often recommended as the top choice for small businesses because it offers a free tier” Mistral Small · budget prompt · first choice
Also compared
HAProxy vs Progress Kemp LoadMasterHAProxy vs AWS Elastic Load BalancingNGINX vs Progress Kemp LoadMasterNGINX vs AWS Elastic Load BalancingKemp LoadMaster vs Progress Kemp LoadMasterKemp LoadMaster vs AWS Elastic Load BalancingProgress Kemp LoadMaster vs A10 Thunder ADCProgress Kemp LoadMaster vs AWS Application Load BalancerProgress Kemp LoadMaster vs Cloudflare Load BalancingAWS Elastic Load Balancing vs A10 Thunder ADCAWS Elastic Load Balancing vs AWS Application Load BalancerAWS Elastic Load Balancing vs Cloudflare Load BalancingAll twenty-eight head-to-head pages and the full load balancers standing
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.