Object storage · November 2026 Edition
Amazon S3 vs Google Cloud Storage
Five of fourteen models named Amazon S3 first on the direct prompt; zero named Google Cloud Storage. Both were named by all fourteen models and Amazon S3 carries 68 labels and Google Cloud Storage 50, so the shares are not directly comparable.
Named in five categories this edition.
Named in four categories this edition.
First-choice share16%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate35%30%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#5A position in a field of 8; printed, not drawn.
Labels6850A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Amazon S3 reading right to left. Rank and label count are printed, not drawn.Cloudflare R2 was named alongside these two in twelve of the fourteen direct answers. Backblaze B2 vs Amazon S3 · Backblaze B2 vs Google Cloud Storage · Cloudflare R2 vs Amazon S3
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.
Amazon S3First choices, of fourteen modelsGoogle Cloud Storage
Direct503 against Amazon S3 · 1 against Google Cloud Storage
Paraphrase107 against Amazon S3 · 1 against Google Cloud Storage
Comparative1101 against Google Cloud Storage
Budget-constrained115 against Amazon S3 · 4 against Google Cloud Storage
Scale-constrained101 against Amazon S3
Negative008 against Amazon S3 · 8 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 November 2026 Edition, Amazon S3 and Google Cloud Storage were named in the same answer 146 times, of the 227 answers naming Amazon S3 and the 154 naming Google Cloud Storage. In those answers Google Cloud Storage took the first choice one time and Amazon S3 forty-two.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Amazon S3 and Google Cloud Storage stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | | ||
| GPT-5.4 mini | | | | | ||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | | |
| Grok 4.20 | | | | | | |
| 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 | | | | | |
Amazon S3 Google Cloud Storage first choice named as an alternative argued againstblank: not namedEach cell is one answer, Amazon S3 on the left and Google Cloud Storage on the right.The direct prompt
The plain question, one answer per model, grouped by where Amazon S3 and Google Cloud Storage stood in it.
Amazon S3 first, Google Cloud Storage an alternative
5 of 14 modelsGoogle Cloud Storage was named in the answer but not as the choice, or not at all.Claude Haiku 4.5Amazon S3 alternatives: Azure Blob Storage, Google Cloud Storage
GPT-5.4 miniAmazon S3 alternatives: Cloudflare R2, Google Cloud Storage
Gemini 3.5 FlashAmazon S3, Cloudflare R2 alternatives: Azure Blob Storage, Backblaze B2, Google Cloud Storage, MinIO AIStor, Wasabi Object Storage
Mistral SmallAmazon S3 alternatives: Azure Blob Storage, Backblaze B2, Google Cloud Storage, MEGA S4
GPT-6 LunaAmazon S3 alternatives: Azure Blob Storage, Cloudflare R2, Google Cloud Storage
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.Perplexity SonarBackblaze B2 alternatives: Amazon S3, Azure Blob Storage, Cloudflare R2, Google Cloud Storage
Grok 4.20Cloudflare R2 alternatives: Amazon S3, Backblaze B2
Llama 4 MaverickBackblaze B2 alternatives: Amazon S3, Cloudflare R2
Qwen 3.7 FlashBackblaze B2 alternatives: Amazon S3, Azure Blob Storage, Cloudflare R2, Google Cloud Storage, Wasabi Object Storage
GLM 4.7 FlashXBackblaze B2, Cloudflare R2 alternatives: Amazon S3, Azure Blob Storage, Google Cloud Storage
MiniMax M2.5Backblaze B2 alternatives: Amazon S3, Cloudflare R2
Neither was named
3 of 14 modelsThe answer made no first choice from these two in this category.DeepSeek V4 FlashBackblaze B2 alternatives: Cloudflare R2
Kimi K2Cloudflare R2 alternatives: Azure Blob Storage, Backblaze B2, Wasabi Object Storage
Muse Glimmer 30BBackblaze B2 alternatives: 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
Amazon S3 leads by seven points.
Amazon S37%#4 of 8Google Cloud Storage0%#7 of 8Mid-marketThe figures above
Amazon S3 leads by fourteen points.
Amazon S316%#3 of 8Google Cloud Storage2%#5 of 8Enterprise
Amazon S3 leads by forty-two points.
Amazon S343%#1 of 11Google Cloud Storage2%#9 of 11What the models said about Amazon S3
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 using their Standard S3 tiers if you are on a budget—their egress fees ($90+ per TB downloaded) will catch you off guard.” Gemini 3.5 Flash · budget prompt · hard negative
“AWS S3 Standard for small workloads: $0.023/GB + $0.09/GB egress adds up fast” Kimi K2 · budget prompt · hard negative
“Avoid for tight budgets: AWS S3, Azure Blob, or Google Cloud Storage” Grok 4.20 · budget prompt · hard negative
“The Industry Standard: AWS S3 ... Best for: Deep ecosystem integration, complex security/compliance needs, and teams already built on AWS.” Gemini 3.5 Flash · direct prompt · first choice
“For most mid-market B2B companies, AWS S3 is the safest choice due to its maturity, extensive feature set, and broad integration support.” Claude Haiku 4.5 · direct prompt · first choice
“Market leader with a full tier ladder from frequent access to archive... S3 is the default if you are already on AWS” Muse Glimmer 30B · comparative 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 eight in this category shown.
“Avoid These Budget Killers ... Google Cloud Storage standard: Similar high egress fees” Kimi K2 · budget prompt · hard negative
“Avoid for tight budgets: AWS S3, Azure Blob, or Google Cloud Storage” Grok 4.20 · budget prompt · hard negative
“Avoid using their Standard S3 tiers if you are on a budget” Gemini 3.5 Flash · budget prompt · hard negative
“For most small businesses just starting out, Google Cloud Storage or AWS S3 free tiers are hard to beat” Claude Haiku 4.5 · budget prompt · first choice
“Microsoft Azure / Google Cloud: Choose these if your company is heavily invested in their respective Microsoft 365 or Workspace infrastructures” Qwen 3.7 Flash · direct prompt · alternative
“For companies already in the Microsoft or Google ecosystem, Azure Blob Storage or Google Cloud Storage may be more suitable.” Mistral Small · direct 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.