What file storage tool does Claude Code recommend?

AWS S3 is the most-recommended file storage tool, appearing in 32.5% of responses. The runner-up is Local filesystem at 24.8%. This is based on 117 extractable responses across 4 project types.

Is file storage a settled or competitive market in AI recommendations?

File Storage is classified as "Competitive" — no single tool dominates (<50%), and the winner often depends on the project stack.

Do different Claude models agree on file storage tools?

Yes — all three models (Sonnet 4.5, Opus 4.5, Opus 4.6) largely agree on AWS S3 as the top file storage tool.

File Storage

Q: Do different Claude models agree on file storage tools?

Yes — all three models (Sonnet 4.5, Opus 4.5, Opus 4.6) largely agree on AWS S3 as the top file storage tool.

Competitive

117 extractable responses · Winner: AWS S3 at 32.5%

Overall Breakdown

n=117 extractable responses.

AWS S338/117 (32.5%) CI: 24.7–41.4%

Local filesystem29/117 (24.8%) CI: 17.8–33.3%

Vercel Blob19/117 (16.2%) CI: 10.6–24%

Custom/DIY14/117 (12%) CI: 7.3–19.1%

Also Recommended

Tools that appear as second-choice alternatives or mentions when a different tool is picked as primary. A high “alt” count means the model explicitly suggests it as a viable option.

Tool	Alt picks	Mentions	Total
AWS S3	41	6	47
Cloudflare R2	37	13	50
Google Cloud Storage	19	14	33
UploadThing	18	6	24
Firebase Storage	14	6	20
Vercel Blob	12	2	14
Azure Blob Storage	12	5	17
Supabase Storage	12	5	17

By Stack

Tool preferences differ by language ecosystem. Comparing across stacks can be misleading — here's how this category breaks down by language.

JS/TS

JavaScript / TypeScript

2 repos

Vercel Blob48.7% avg

AWS S338.8% avg

Supabase Storage38% avg

Custom/DIY31.3% avg

Cloudflare R222.2% avg

Python

1 repo

Local filesystem65.7% avg

AWS S334.3% avg

Model-by-Model Comparison

Repo	Sonnet 4.5	Opus 4.5	Opus 4.6
TaskFlowJS/TS Next.js 14, TypeScript, App Router	Vercel Blob53.8% AWS S346.2%	Vercel Blob53.8% Custom/DIY30.8%	Vercel Blob38.5% AWS S323.1%
DataPipelinePY FastAPI, Python 3.11, Pydantic	Local filesystem80% AWS S320%	Local filesystem60% AWS S340%	Local filesystem57.1% AWS S342.9%
InvoiceTrackerJS/TS Vite, React 18, TypeScript	Custom/DIY35.7% AWS S328.6% Supabase Storage21.4%	AWS S377.8% Cloudflare R222.2%	Supabase Storage54.5% Custom/DIY27.3% AWS S318.2%

Category Insight

Next.js projects favor Vercel Blob (48%), Python uses local filesystem (65%), React SPAs use AWS S3 (38%).

Frequently Asked Questions

What file storage tool does Claude Code recommend?: AWS S3 is the most-recommended file storage tool, appearing in 32.5% of responses. The runner-up is Local filesystem at 24.8%. This is based on 117 extractable responses across 4 project types.
Is file storage a settled or competitive market in AI recommendations?: File Storage is classified as "Competitive" — no single tool dominates (<50%), and the winner often depends on the project stack.
Do different Claude models agree on file storage tools?: Yes — all three models (Sonnet 4.5, Opus 4.5, Opus 4.6) largely agree on AWS S3 as the top file storage tool.