Amazon S3 Vectors vs Google Vertex AI Vector Search
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Google Vertex AI Vector Search is the stronger AI pick in Vector Databases: it has a visibility score of 1.5 versus 1.2 for Amazon S3 Vectors.
Choose Amazon S3 Vectors if…
- very low storage cost for infrequently queried data
Choose Google Vertex AI Vector Search if…
- You want the brand AI engines rank higher (1.5 vs 1.2)
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Amazon S3 Vectors | Google Vertex AI Vector Search |
|---|---|---|
| Visibility score | 1.2% | 1.5% |
| Change vs last week | New | New |
| Rank in Vector Databases | #24 | #21 |
| Share of voice | 0.5% | 0.5% |
| Mentions this run | 2 | 3 |
| Positive in AI answers | — | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Amazon S3 Vectors 0pp · Google Vertex AI Vector Search 0pp over 0 weekly runs.
Engine by engine
Google Vertex AI Vector Search leads on 2 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | Amazon S3 Vectors | Google Vertex AI Vector Search |
|---|---|---|
| Deployment | Fully managed and serverless, with no dedicated clusters to run | Fully managed service on Google Cloud |
| Founded | 2025 | — |
| Employees | — | 5,000+ |
Pros and cons
Themes from the AI answers that mention each brand
Amazon S3 Vectors
- very low storage cost for infrequently queried data
- higher latency
- fewer database-like capabilities
Google Vertex AI Vector Search
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Amazon S3 Vectors vs Google Vertex AI Vector Search”, https://slateindex.ai/compare/amazon-s3-vectors-vs-google-vertex-ai-vector-search, data of Nov 2, 2026. Licence: CC BY 4.0.