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Artifact and container registries · October 2026 Edition

Amazon ECR vs Azure Container Registry

Zero of fourteen models named Amazon ECR first on the direct prompt; zero named Azure Container Registry. Amazon ECR was named by eight of the fourteen models and Azure Container Registry by twelve and Amazon ECR carries 12 labels and Azure Container Registry 33, so the shares are not directly comparable.

Amazon ECR

accepted challenger

Named in two categories this edition.

Azure Container Registry

accepted challenger

Named in one category this edition.

First-choice share8%5%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%3%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#6A position in a field of 16; printed, not drawn.
Labels1233A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Amazon ECR reading right to left. Rank and label count are printed, not drawn.Cloudsmith was named alongside these two in ten of the fourteen direct answers. JFrog Artifactory vs Amazon ECR · JFrog Artifactory vs Azure Container Registry · Sonatype Nexus Repository vs Amazon ECR

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 artifact and container registries page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Amazon ECRFirst choices, of fourteen modelsAzure Container Registry
Direct00
Paraphrase53
Comparative00
Budget-constrained00
Scale-constrained00
Negative041 against Azure Container Registry
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, Amazon ECR and Azure Container Registry were named in the same answer twenty-five times, of the 31 answers naming Amazon ECR and the 91 naming Azure Container Registry. In those answers Azure Container Registry took the first choice zero times and Amazon ECR five.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Amazon ECR and Azure Container Registry stood in it.
ModelDirectAEACParaphraseAEACComparativeAEACBudget-constrainedAEACScale-constrainedAEACNegativeAEAC
Claude Haiku 4.5AEAC
GPT-5.4 miniAEAC
Gemini 3.5 FlashACAC
Perplexity SonarAE
Grok 4.1 FastACAC
Mistral SmallACACAC
DeepSeek V4 FlashACAC
Llama 4 Maverick
Qwen 3.7 FlashACAC
Kimi K2ACAC
GLM 4.7 FlashXAEACAEACAC
MiniMax M2.5ACACAC
GPT-6 LunaAEACAC
Muse Glimmer 30BAEACAC
AE Amazon ECRAC Azure Container RegistryAE first choiceAE named as an alternativeAE argued againstblank: not namedEach cell is one answer, Amazon ECR on the left and Azure Container Registry on the right.

The direct prompt

The plain question, one answer per model, grouped by where Amazon ECR and Azure Container Registry stood in it.

Neither was named

14 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5no first choice
GPT-5.4 miniSonatype Nexus Repository alternatives: AWS CodeArtifact, JFrog Artifactory
Gemini 3.5 FlashCloudsmith alternatives: AWS CodeArtifact, Azure Artifacts, GitLab Package Registry, Google Artifact Registry, Sonatype Lifecycle
Perplexity SonarJFrog Artifactory alternatives: Cloudsmith, Sonatype Nexus Repository
Grok 4.1 FastCloudsmith alternatives: AWS CodeArtifact
Mistral SmallCloudsmith alternatives: AWS, Google Cloud, Packagecloud
DeepSeek V4 FlashSonatype Nexus Repository alternatives: Azure Artifacts, Cloudsmith
Llama 4 MaverickCloudsmith alternatives: Packagecloud
Qwen 3.7 FlashJFrog Artifactory alternatives: AWS CodeArtifact, Azure Artifacts, Sonatype Lifecycle
Kimi K2GitHub Packages alternatives: AWS CodeArtifact, Azure Artifacts, Sonatype Nexus Repository
GLM 4.7 FlashXSonatype Nexus Repository alternatives: Cloudsmith, Harbor, JFrog Artifactory
MiniMax M2.5Sonatype Nexus Repository alternatives: AWS CodeArtifact, Cloudsmith, JFrog Artifactory
GPT-6 LunaCloudsmith alternatives: AWS CodeArtifact, JFrog Artifactory, Sonatype Nexus Repository
Muse Glimmer 30BSonatype Nexus Repository alternatives: CloudRepo, Cloudsmith, JFrog Artifactory

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.
Amazon ECR0%#12 of 12
Azure Container Registry0%#10 of 12
The full small business standing →
Mid-marketThe figures above
Amazon ECR leads by three points.
Amazon ECR8%#5 of 16
Azure Container Registry5%#6 of 16
The full mid-market standing →
Enterprise
The order flips: Azure Container Registry leads at enterprise.
Azure Container Registry7%#3 of 13
Amazon ECR1%#– of 13
The full enterprise standing →

What the models said about Amazon ECR

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

“If you want a single default recommendation without more context, I'd lean toward Amazon ECR for a mid-sized B2B company” GPT-5.4 mini · paraphrase prompt · first choice
“AWS Elastic Container Registry (ECR) is the obvious choice if you're running on AWS” Claude Haiku 4.5 · paraphrase prompt · first choice
“For most mid-sized B2B companies, I'd start with Amazon ECR if you're on AWS” GLM 4.7 FlashX · paraphrase prompt · first choice

What the models said about Azure Container Registry

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

“Critical security concern discovered Dec 2024” DeepSeek V4 Flash · negative prompt · soft negative
“Tier 1 (Trusted): Enterprise Private Registries (AWS ECR, Google GCR/AAR, Azure ACR) configured with RBAC and Scanning.” Qwen 3.7 Flash · negative prompt · first choice
“Prefer private/managed registries: Use AWS ECR, Google Artifact Registry, Azure Container Registry (ACR)” Grok 4.1 Fast · negative prompt · first choice
“Private registries: AWS ECR, Azure Container Registry, Google Artifact Registry” MiniMax M2.5 · negative prompt · first choice
Also compared
JFrog Artifactory vs Amazon ECRJFrog Artifactory vs Azure Container RegistrySonatype Nexus Repository vs Amazon ECRSonatype Nexus Repository vs Azure Container RegistryAmazon Elastic Container Registry vs Amazon ECRAmazon Elastic Container Registry vs Azure Container RegistryCloudsmith vs Amazon ECRCloudsmith vs Azure Container RegistryAmazon ECR vs GitHub PackagesAmazon ECR vs Sonatype LifecycleAzure Container Registry vs GitHub PackagesAzure Container Registry vs Sonatype LifecycleAll twenty-eight head-to-head pages and the full artifact registries 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.