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Object storage · October 2026 Edition

Azure Blob Storage vs Google Cloud Storage

One of fourteen models named Azure Blob Storage first on the direct prompt; one named Google Cloud Storage. Azure Blob Storage was named by thirteen of the fourteen models and Google Cloud Storage by fourteen and Azure Blob Storage carries 42 labels and Google Cloud Storage 47, so the shares are not directly comparable.

Azure Blob Storage

criticized challenger

Named in one category this edition.

Google Cloud Storage

accepted challenger

Named in two categories this edition.

First-choice share6%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate31%21%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#7A position in a field of 9; printed, not drawn.
Labels4247A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Azure Blob Storage reading right to left. Rank and label count are printed, not drawn.Backblaze B2 was named alongside these two in ten of the fourteen direct answers. Backblaze B2 vs Azure Blob Storage · Backblaze B2 vs Google Cloud Storage · Cloudflare R2 vs Azure Blob Storage

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 object storage page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Azure Blob StorageFirst choices, of fourteen modelsGoogle Cloud Storage
Direct111 against Azure Blob Storage · 2 against Google Cloud Storage
Paraphrase001 against Azure Blob Storage
Comparative00
Budget-constrained003 against Azure Blob Storage · 2 against Google Cloud Storage
Scale-constrained20
Negative007 against Azure Blob Storage · 6 against Google Cloud Storage
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, Azure Blob Storage and Google Cloud Storage were named in the same answer 116 times, of the 129 answers naming Azure Blob Storage and the 137 naming Google Cloud Storage. In those answers Google Cloud Storage took the first choice two times and Azure Blob Storage four.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Azure Blob Storage and Google Cloud Storage stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
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
Azure Blob Storage Google Cloud Storage first choice named as an alternative argued againstblank: not namedEach cell is one answer, Azure Blob Storage on the left and Google Cloud Storage on the right.

The direct prompt

The plain question, one answer per model, grouped by where Azure Blob Storage and Google Cloud Storage stood in it.

Azure Blob Storage first, Google Cloud Storage an alternative

1 of 14 modelsGoogle Cloud Storage was named in the answer but not as the choice, or not at all.
MiniMax M2.5Amazon S3, Azure Blob Storage alternatives: Backblaze B2, Google Cloud Storage, Wasabi Object Storage

Google Cloud Storage first, Azure Blob Storage not the choice

1 of 14 modelsAzure Blob Storage was named in the answer but not as the choice, or not at all.
Perplexity SonarGoogle Cloud Storage alternatives: Amazon S3, Backblaze B2, Wasabi Object Storage

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.
GPT-5.4 miniAmazon S3 alternatives: Azure Blob Storage, Google Cloud Storage
Kimi K2Cloudflare R2 alternatives: Azure Blob Storage, Backblaze B2, Google Cloud Storage
GPT-6 LunaAmazon S3 alternatives: Azure Blob Storage, Cloudflare R2, Google Cloud Storage

Neither was named

9 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5no first choice
Gemini 3.5 FlashCloudflare R2 alternatives: Backblaze B2, Wasabi Object Storage
Grok 4.1 FastBackblaze B2 alternatives: Cloudflare R2, Wasabi Object Storage
Mistral SmallBackblaze B2 alternatives: Amazon S3, Cloudian HyperStore
DeepSeek V4 FlashBackblaze B2 alternatives: Amazon S3, Cloudflare R2
Llama 4 Maverickno first choice
Qwen 3.7 FlashBackblaze B2, Wasabi Object Storage
GLM 4.7 FlashXBackblaze B2 alternatives: Amazon S3, Cloudflare R2, MinIO AIStor, Wasabi Object Storage
Muse Glimmer 30Bno first choice alternatives: Amazon S3, Backblaze B2, Cloudflare R2, Wasabi Object Storage

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
Google Cloud Storage leads by three points.
Google Cloud Storage3%#6 of 9
Azure Blob Storage0%#9 of 9
The full small business standing →
Mid-marketThe figures above
The order flips: Azure Blob Storage leads at mid-market.
Azure Blob Storage6%#5 of 9
Google Cloud Storage2%#7 of 9
The full mid-market standing →
Enterprise
Azure Blob Storage leads by two points.
Azure Blob Storage6%#4 of 12
Google Cloud Storage4%#5 of 12
The full enterprise standing →

What the models said about Azure Blob Storage

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

“"avoid or be cautious about ... those with high egress fees or minimum retention periods, such as GCS and Azure Cold"” Muse Glimmer 30B · negative prompt · hard negative
“Avoid hyperscalers (AWS/GCP/Azure) on tight budgets due to egress/API add-ons.” Grok 4.1 Fast · budget prompt · hard negative
“High egress fees (e.g., AWS S3: $0.09/GB after free tier; GCS/Azure similar) lead to unpredictable bills and vendor lock-in” Grok 4.1 Fast · negative prompt · soft negative
“Start with AWS S3 or Azure Blob — native integration, massive ecosystem, but watch egress costs.” DeepSeek V4 Flash · scale prompt · first choice
“I'd recommend Amazon S3 or Azure Blob Storage due to their enterprise-grade security” MiniMax M2.5 · direct prompt · first choice
“Check AWS S3 / Azure Blob: If you are already deep in one ecosystem.” Qwen 3.7 Flash · scale prompt · first choice

What the models said about Google Cloud Storage

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

“"avoid or be cautious about ... those with high egress fees or minimum retention periods, such as GCS and Azure Cold"” Muse Glimmer 30B · negative prompt · hard negative
“Avoid hyperscalers (AWS/GCP/Azure) on tight budgets due to egress/API add-ons.” Grok 4.1 Fast · budget prompt · hard negative
“Outages: Frequent minor incidents; e.g., Google Cloud had prolonged regional degradations” Grok 4.1 Fast · negative prompt · soft negative
“the best default choice is usually Google Cloud Storage” Perplexity Sonar · direct prompt · first choice
“Known for high-performance internal networking and strong support for large-scale data analytics and machine learning pipelines” Qwen 3.7 Flash · comparative prompt · alternative
“If the company is already using or planning to use Google Cloud services, Google Cloud Storage is a seamless choice.” Llama 4 Maverick · paraphrase 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.