PostgreSQL vs SingleStore
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
PostgreSQL is the stronger AI pick in Vector Databases: it has a visibility score of 49 versus 0.6 for SingleStore, and ranks ahead in 100% of the answers that name both.
Choose PostgreSQL if…
- You want the brand AI engines rank higher (49 vs 0.6)
- AI answers describe it more positively (35% vs 0% positive)
- Free open-source software
- Adds vector search to an existing PostgreSQL database without a new database
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
- You prefer a larger, established vendor (201–500 employees)
AI visibility side by side
Latest weekly run · Nov 2
| Metric | PostgreSQL | SingleStore |
|---|---|---|
| Visibility score | 49% | 0.6% |
| Change vs last week | New | New |
| Rank in Vector Databases | #3 | #26 |
| Share of voice | 12.6% | 0.4% |
| Mentions this run | 59 | 2 |
| Positive in AI answers | 35% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
PostgreSQL 0pp · SingleStore 0pp over 0 weekly runs.
Engine by engine
PostgreSQL leads on 3 of 3 engines
Head to head in AI answers
2 engine answers name both brands
| Prompt | Engine | PostgreSQL | SingleStore |
|---|---|---|---|
| Alternatives to the most popular vector database | Perplexity | #4 | #11 |
| Official website of the top vector database vendors | ChatGPT | #10 | #13 |
Features, pricing & fit
| Dimension | PostgreSQL | SingleStore |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $0.99 / mo |
| Free plan | — | Yes |
| Deployment | — | 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 | Community mailing lists, Community events and local user groups | Self-support on the free tier, Standard Support on paid tiers, Talk to a specialist, Technical support request |
| Founded | — | 2011 |
| Headquarters | United States | San Francisco, CA |
| Employees | 51–200 | 201–500 |
| Funding | — | Series F-2 (led by Goldman Sachs) · $558M raised |
| Best for | — | Teams building real-time applications, analytics and AI features that need live data without copies |
Plans side by side
PostgreSQL
Pricing not available.
SingleStore
Pros and cons
Themes from the AI answers that mention each brand
PostgreSQL
- Free open-source software
- Adds vector search to an existing PostgreSQL database without a new database
- Wide compatibility with drivers, BI tools, and language ecosystems
- Broad deployment and transparent self-hosted pricing
- Hosting, backups, and maintenance must be paid for when self-hosted
SingleStore
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “PostgreSQL vs SingleStore”, https://slateindex.ai/compare/postgresql-vs-singlestore, data of Nov 2, 2026. Licence: CC BY 4.0.