Object storage · October 2026 Edition
Amazon S3 vs Google Cloud Storage
Three of fourteen models named Amazon S3 first on the direct prompt; one named Google Cloud Storage. Both were named by all fourteen models and Amazon S3 carries 67 labels and Google Cloud Storage 47, so the shares are not directly comparable.
Named in four categories this edition.
Named in two categories this edition.
First-choice share12%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate34%21%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#7A position in a field of 9; printed, not drawn.
Labels6747A 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.Backblaze B2 was named alongside these two in ten 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
Direct314 against Amazon S3 · 2 against Google Cloud Storage
Paraphrase105 against Amazon S3
Comparative110
Budget-constrained005 against Amazon S3 · 2 against Google Cloud Storage
Scale-constrained20
Negative109 against Amazon S3 · 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, Amazon S3 and Google Cloud Storage were named in the same answer 131 times, of the 215 answers naming Amazon S3 and the 137 naming Google Cloud Storage. In those answers Google Cloud Storage took the first choice three times and Amazon S3 forty.
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 4.1 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 | | | |
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
3 of 14 modelsGoogle Cloud Storage was named in the answer but not as the choice, or not at all.GPT-5.4 miniAmazon S3 alternatives: Azure Blob Storage, Google Cloud Storage
MiniMax M2.5Amazon S3, Azure Blob Storage alternatives: Backblaze B2, Google Cloud Storage, Wasabi Object Storage
GPT-6 LunaAmazon S3 alternatives: Azure Blob Storage, Cloudflare R2, Google Cloud Storage
Google Cloud Storage first, Amazon S3 an alternative
1 of 14 modelsAmazon S3 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
5 of 14 modelsThe answer put something else first and named one of the two as an alternative.Mistral SmallBackblaze B2 alternatives: Amazon S3, Cloudian HyperStore
DeepSeek V4 FlashBackblaze B2 alternatives: Amazon S3, Cloudflare R2
Kimi K2Cloudflare R2 alternatives: Azure Blob Storage, Backblaze B2, Google Cloud 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
Neither was named
5 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
Llama 4 Maverickno first choice
Qwen 3.7 FlashBackblaze B2, 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 two points.
Amazon S35%#5 of 9Google Cloud Storage3%#6 of 9Mid-marketThe figures above
Amazon S3 leads by ten points.
Amazon S312%#3 of 9Google Cloud Storage2%#7 of 9Enterprise
Amazon S3 leads by forty points.
Amazon S344%#1 of 12Google Cloud Storage4%#5 of 12What 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 eight in this category shown.
“Avoid hyperscalers (AWS/GCP/Azure) on tight budgets due to egress/API add-ons.” Grok 4.1 Fast · budget prompt · hard negative
“Traditional hyperscalers like AWS S3 are incredibly powerful but often punish growing mid-sized companies with unpredictable API transaction fees and steep "egress taxes"” Gemini 3.5 Flash · paraphrase prompt · soft negative
“Be cautious if… You're comparing only the per-GB storage price. Requests, retrievals, transfers, replication, and archive-tier rules can also affect the bill” GPT-6 Luna · negative prompt · soft negative
“Best for: Enterprise workloads, S3-native applications... AWS S3, Azure Blob, and GCS offer the most comprehensive feature sets” GLM 4.7 FlashX · comparative prompt · first choice
“If you want one answer without more context: choose Amazon S3 unless your company is already standardized on Azure or GCP.” GPT-5.4 mini · direct prompt · first choice
“The industry standard. Most third-party tools default to S3 compatibility because it has the largest ecosystem” Qwen 3.7 Flash · 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 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
Backblaze B2 vs Amazon S3Backblaze B2 vs Google Cloud StorageCloudflare R2 vs Amazon S3Cloudflare R2 vs Google Cloud StorageAmazon S3 vs Wasabi Object StorageAmazon S3 vs Azure Blob StorageAmazon S3 vs DigitalOcean SpacesAmazon S3 vs Cloudian HyperStoreWasabi Object Storage vs Google Cloud StorageAzure Blob Storage vs Google Cloud StorageDigitalOcean Spaces vs Google Cloud StorageGoogle Cloud Storage vs Cloudian HyperStoreAll twenty-eight head-to-head pages and the full object storage 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.