DataStax Astra DB vs Supabase
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Supabase is the stronger AI pick in Vector Databases: it has a visibility score of 5.7 versus 3 for DataStax Astra DB, and ranks ahead in 0% of the answers that name both.
Choose DataStax Astra DB if…
- You need HIPAA or PCI DSS or SOC 2 or ISO/IEC 27001 coverage
- You prefer a larger, established vendor (5,000+ employees)
- Integrated vector search in one serverless NoSQL database
- Annual commitment and volume discounts
Choose Supabase if…
- You want the brand AI engines rank higher (5.7 vs 3)
- You need SOC 2 Type 2 or ISO 27001 or HIPAA (BAA available) coverage
- Integrates smoothly with Firebase and Supabase
- Zero extra infrastructure when already running Postgres via Supabase
AI visibility side by side
Latest weekly run · Nov 2
| Metric | DataStax Astra DB | Supabase |
|---|---|---|
| Visibility score | 3% | 5.7% |
| Change vs last week | New | New |
| Rank in Vector Databases | #18 | #12 |
| Share of voice | 1.1% | 2.2% |
| Mentions this run | 5 | 11 |
| Positive in AI answers | — | 18% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
DataStax Astra DB 0pp · Supabase 0pp over 0 weekly runs.
Engine by engine
Supabase leads on 2 of 3 engines
Head to head in AI answers
2 engine answers name both brands
| Prompt | Engine | DataStax Astra DB | Supabase |
|---|---|---|---|
| Official website of the top vector database vendors | Perplexity | #10 | #11 |
| Where can I sign up for a vector database? | AI Mode | #5 | #7 |
Features, pricing & fit
| Dimension | DataStax Astra DB | Supabase |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | Free; paid from $25 / mo |
| Free plan | — | Yes |
| Deployment | Cloud database-as-a-service; HCD for on-premises or private cloud | Hosted cloud in AWS regions across the US, EU and Asia Pacific, or self-hosted open source |
| Compliance | HIPAA, PCI DSS, SOC 2, ISO/IEC 27001 | SOC 2 Type 2, ISO 27001, HIPAA (BAA available) |
| Support | Documentation | Community support (Free plan), Email support (Pro plan), Priority email support and SLAs (Team plan), 24x7 premium enterprise support and private Slack channel (Enterprise plan) |
| Founded | — | 2020 |
| Headquarters | — | Remote-first, United States |
| Employees | 5,000+ | 201–500 |
| Funding | Undisclosed round (last round per Tracxn) | Series D · $1000M raised |
| Best for | Enterprises building generative AI and retrieval-augmented generation applications that need scalable NoSQL storage with vector search. | Teams building production applications on Postgres that want auth, storage, realtime and vector search in one backend |
Plans side by side
DataStax Astra DB
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
DataStax Astra DB
- Integrated vector search in one serverless NoSQL database
- Annual commitment and volume discounts
- Built on Apache Cassandra
Supabase
- Integrates smoothly with Firebase and Supabase
- Zero extra infrastructure when already running Postgres via Supabase
- Pay nothing extra for pgvector on an existing database
- Minimal operational overhead for existing Postgres clusters
- Offers vector search via pgvector, with customers paying only for the database
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “DataStax Astra DB vs Supabase”, https://slateindex.ai/compare/datastax-astra-db-vs-supabase, data of Nov 2, 2026. Licence: CC BY 4.0.