FaissA library for efficient similarity search and clustering of dense vectors.
vs
SingleStoreThe real-time database for AI, apps and analytics
Comparison · Vector Databases · weekly run Nov 2
Faiss vs SingleStore
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Faiss is the stronger AI pick in Vector Databases: it has a visibility score of 5.4 versus 0.6 for SingleStore.
Choose Faiss if…
- You want the brand AI engines rank higher (5.4 vs 0.6)
- AI answers describe it more positively (12% vs 0% positive)
- No separate server needed for small or static datasets
Choose SingleStore if…
- You need ISO/IEC 27001 or SOC 2 Type 2 or HIPAA or GDPR or CCPA or Privacy Shield or PCI DSS v4.0.1 coverage
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Faiss | SingleStore |
|---|---|---|
| Visibility score | 5.4% | 0.6% |
| Change vs last week | New | New |
| Rank in Vector Databases | #13 | #26 |
| Share of voice | 1.7% | 0.4% |
| Mentions this run | 8 | 2 |
| Positive in AI answers | 12% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Faiss 0pp · SingleStore 0pp over 0 weekly runs.
Engine by engine
Faiss leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
FaissSingleStore
Head to head in AI answers
0 engine answers name both brands
0Faiss ranked higher
0SingleStore ranked higher
Features, pricing & fit
| Dimension | Faiss | SingleStore |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $0.99 / mo |
| Free plan | — | Yes |
| Deployment | Self-hosted library that runs inside the calling process on a local machine. | Managed cloud service on AWS, Azure and Google Cloud, plus self-managed deployments and a bring-your-own-cloud option |
| Compliance | — | ISO/IEC 27001, SOC 2 Type 2, HIPAA, GDPR, CCPA, Privacy Shield, PCI DSS v4.0.1 |
| Support | — | Self-support on the free tier, Standard Support on paid tiers, Talk to a specialist, Technical support request |
| Founded | 2017 | 2011 |
| Headquarters | — | San Francisco, CA |
| Employees | — | 201–500 |
| Funding | — | Series F-2 (led by Goldman Sachs) · $558M raised |
| Best for | Developers who need fast vector search inside their own application and can handle low-level setup. | Teams building real-time applications, analytics and AI features that need live data without copies |
Plans side by side
Faiss
Pricing not available.
SingleStore
Shared$0free workspace
Standard$0.99hour (starts at)
BYOC StandardCustomcontact us
Enterprise$1.49hour (starts at)
Pros and cons
Themes from the AI answers that mention each brand
Faiss
- No separate server needed for small or static datasets
- Barebones in-memory library rather than a full-featured database
- Lacks metadata storage and filtering for hybrid queries
SingleStore
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Faiss vs SingleStore”, https://slateindex.ai/compare/faiss-vs-singlestore, data of Nov 2, 2026. Licence: CC BY 4.0.