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Artifact and container registries · October 2026 Edition

Amazon Elastic Container Registry vs Amazon ECR

Zero of fourteen models named Amazon Elastic Container Registry first on the direct prompt; zero named Amazon ECR. Amazon Elastic Container Registry was named by nine of the fourteen models and Amazon ECR by eight and Amazon Elastic Container Registry carries 15 labels and Amazon ECR 12, so the shares are not directly comparable.

Amazon Elastic Container Registry

accepted challenger

Named in one category this edition.

Amazon ECR

accepted challenger

Named in two categories this edition.

First-choice share10%8%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.

Negative rate0%0%Negative labels as a share of the product's labels, 0 to 100.

Rank in category#3#5A position in a field of 16; printed, not drawn.

Labels1512A count; the two differ.

The two percentage rows are drawn on one 0 to 100 track, Amazon Elastic Container Registry 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 Elastic Container Registry · JFrog Artifactory vs Amazon ECR · Sonatype Nexus Repository vs Amazon Elastic Container Registry

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 Elastic Container RegistryFirst choices, of fourteen modelsAmazon ECR

Direct00

Paraphrase65

Comparative00

Budget-constrained00

Scale-constrained00

Negative10

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 Amazon Elastic Container Registry and Amazon ECR stood in it.

Model	ParaphraseAEAE	ComparativeAEAE	NegativeAEAE
Claude Haiku 4.5	AE
GPT-5.4 mini	AE
Gemini 3.5 Flash	AE	AE
Perplexity Sonar	AE
Grok 4.1 Fast
Mistral Small	AE	AE
DeepSeek V4 Flash	AE
Llama 4 Maverick	AE
Qwen 3.7 Flash	AE		AE
Kimi K2	AE
GLM 4.7 FlashX	AE	AE
MiniMax M2.5		AE
GPT-6 Luna	AE	AE
Muse Glimmer 30B	AE		AE

AE Amazon Elastic Container RegistryAE Amazon ECRAE first choiceAE named as an alternativeAE argued againstblank: not namedEach cell is one answer, Amazon Elastic Container Registry on the left and Amazon ECR on the right.

The direct prompt

The plain question, one answer per model, grouped by where Amazon Elastic Container Registry and Amazon ECR 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 Elastic Container Registry#– of 12

Amazon ECR#12 of 12

The full small business standing →

Mid-marketThe figures above

Amazon Elastic Container Registry leads by two points.

Amazon Elastic Container Registry#3 of 16

Amazon ECR#5 of 16

The full mid-market standing →

Enterprise

Amazon Elastic Container Registry leads by three points.

Amazon Elastic Container Registry#5 of 13

Amazon ECR#– of 13

The full enterprise standing →

What the models said about Amazon Elastic Container Registry

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

“2. Amazon Elastic Container Registry (ECR) - a fully-managed Docker container registry that makes it easy for developers to store, manage, and deploy Docker container images.” Llama 4 Maverick · paraphrase prompt · first choice

“For most mid-sized B2B companies, Amazon ECR is the top recommendation due to its scalability, security, and AWS ecosystem integration.” Mistral Small · paraphrase prompt · first choice

“For 90% of mid-sized B2B companies, Amazon ECR or Google Artifact Registry is the safest, most secure, and most scalable bet.” Gemini 3.5 Flash · paraphrase prompt · first choice

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

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.