Chroma vs DataStax Astra DB
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Chroma is the stronger AI pick in Vector Databases: it has a visibility score of 18.6 versus 3 for DataStax Astra DB, and ranks ahead in 20% of the answers that name both.
Choose Chroma if…
- You want the brand AI engines rank higher (18.6 vs 3)
- You need SOC 2 Type II coverage
- Fast path from local notebook prototyping to serverless cloud production
- Free and open source when self-hosted
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
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Chroma | DataStax Astra DB |
|---|---|---|
| Visibility score | 18.6% | 3% |
| Change vs last week | New | New |
| Rank in Vector Databases | #6 | #18 |
| Share of voice | 6.8% | 1.1% |
| Mentions this run | 32 | 5 |
| Positive in AI answers | 50% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Chroma 0pp · DataStax Astra DB 0pp over 0 weekly runs.
Engine by engine
Chroma leads on 3 of 3 engines
Head to head in AI answers
5 engine answers name both brands
| Prompt | Engine | Chroma | DataStax Astra DB |
|---|---|---|---|
| Which Vector Databases vendors do analysts recommend? | Perplexity | #9 | #7 |
| Which Vector Databases tools offer annual discounts? | ChatGPT | #9 | #1 |
| Which Vector Databases tools offer annual discounts? | AI Mode | #6 | #5 |
| Official website of the top vector database vendors | Perplexity | #4 | #10 |
| Where can I sign up for a vector database? | AI Mode | #10 | #5 |
Features, pricing & fit
| Dimension | Chroma | DataStax Astra DB |
|---|---|---|
| Pricing model | Usage-based | — |
| Entry price | Free; paid from $250 / mo | — |
| Free plan | Yes | — |
| Deployment | Open-source self-hosted, serverless managed Chroma Cloud, or Bring Your Own Cloud in the customer's VPC. | Cloud database-as-a-service; HCD for on-premises or private cloud |
| Compliance | SOC 2 Type II | HIPAA, PCI DSS, SOC 2, ISO/IEC 27001 |
| Support | Community support through Discord and the open-source community on the Starter plan, Slack support on the Team plan, Dedicated support and customized SLAs on the Enterprise plan | Documentation |
| Founded | 2022 | — |
| Headquarters | San Francisco, CA, United States | — |
| Employees | 11–50 | 5,000+ |
| Funding | Seed · $18M raised | Undisclosed round (last round per Tracxn) |
| Best for | Developers building retrieval-augmented generation prototypes, who get a fast start locally, and teams that later need a managed or self-hosted search system. | Enterprises building generative AI and retrieval-augmented generation applications that need scalable NoSQL storage with vector search. |
Plans side by side
DataStax Astra DB
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Chroma
- Fast path from local notebook prototyping to serverless cloud production
- Free and open source when self-hosted
- Lightweight and developer-friendly for prototypes
- Best for local development, prototyping and MVPs
- Good for small-to-medium RAG and semantic search applications
- Not suited to high-scale production workloads
DataStax Astra DB
- Integrated vector search in one serverless NoSQL database
- Annual commitment and volume discounts
- Built on Apache Cassandra
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Chroma vs DataStax Astra DB”, https://slateindex.ai/compare/chroma-vs-datastax-astra-db, data of Nov 2, 2026. Licence: CC BY 4.0.