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DataStax Astra DB

DB 5.8/10

Serverless Cassandra: write $0.62/1M, read $0.37/1M, storage $0.25/GB-mo, $0.11/GB transfer; every plan includes a $25/mo credit (~40 GB or up to ~30M reads). Vector search include

DataStax Astra DB scores 5.8/10 for free value in DB. The main constraint: Paid — usage-based, $25/mo credit included. Serverless Cassandra: write $0.62/1M, read $0.37/1M, storage $0.25/GB-mo, $0.11/GB transfer; every plan includes a $25/mo credit (~40 GB or up to ~30M reads). Vector search included.

Category DB Kind Paid plan Renewal monthly Card required No Eligibility anyone

Free value score

5.8 / 10
Show the math
Overall 5.8/10
value = 5.8/100
weighted_components_v1
Capacity 3.8/10
value = 25 $ one-time
fixed_log_v1
Operations 7/10
value = 7/100
policy_score_v1
Production fit 8.8/10
value = 8.8/100
policy_score_v1

Key metrics

40 GB Storage
30M reads/mo Reads
4.5M writes/mo Writes
$25 credit
$0.62/1M w
$0.37/1M r

What you get

Paid — usage-based, $25/mo credit included. Serverless Cassandra: write $0.62/1M, read $0.37/1M, storage $0.25/GB-mo, $0.11/GB transfer; every plan includes a $25/mo credit (~40 GB or up to ~30M reads). Vector search included.

$25 free credit covers ~40 GB storage; pay-per-op means $0 for idle — managed Cassandra with built-in vector search, scales to zero cost

Limitations

  • $25/mo credit included

    Astra DB serverless includes a $25 monthly credit; usage beyond that is billed ($0.62/1M writes, $0.37/1M reads, $0.25/GB-mo).

  • Serverless shared capacity

    Serverless databases run on shared, autoscaled capacity with no dedicated performance guarantee on the free credit.

Sources

paid value databases
Open service Source ← All DB