Back to Arena

Astra DB

by DataStax

System Card

OrganizationDataStax
Released2020-01
Architecturevector-rag / managed Cassandra with vector search
DetailsAstra DB is DataStax's managed cloud database built on Apache Cassandra, extended with vector similarity search (ANN via JVector library) in August 2023. It combines Cassandra's partition-key scalability with vector indexing, enabling multi-tenant, high-throughput vector workloads with CQL queries. The Astra Streaming service adds real-time data ingestion via Pulsar.
Parameters—
Domainrag-retrieval
Open SourcePartial
WebsiteVisit
Cassandramanagedmulti-cloudANNstreaming

Capability Profile

Benchmark Scores

5 of 14 benchmarks
Data Transparency:5 estimated
Long-Context Retrieval
2/5
RULER
67.117pEstimated
NIAH
no data
LooGLE
no data
LongBench
603pEstimated
∞Bench
no data
Multi-Turn Recall
0/2
LoCoMo
no data
MemoryBank
no data
Cross-Session Memory
0/1
LongMemEval
no data
Multi-Hop QA
2/3
BABILong
no data
MultiHop-RAG
64.621pEstimated
HotpotQA
66.634pEstimated
Agent Task Memory
0/1
AgentBench-Mem
no data
Personalization
0/1
PerLTQA
no data
Factuality / Grounding
1/1
RAGAS
63.64pEstimated
Sources:Arena estimate — derived from capability profile, not independently verified