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Head-to-head · Wide-Column Databases

Google Cloud Bigtable vs Azure Cosmos DB for Apache Cassandra

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Google Cloud Bigtable #2 in Wide-Column Databases 9.1/10 10-day trial Free trial✓ 0 of 3 features Visit Google Cloud
Azure Cosmos DB for Apache Cassandra #3 in Wide-Column Databases 9.0/10 Free plan · 30-day trial Free planFree trial✓ 3 of 3 features Visit site

Google Cloud Bigtable leads on 0 checks, Azure Cosmos DB for Apache Cassandra on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGoogle Cloud Bigtable · 9.1/10
  • Free planonly Azure Cosmos DB for Apache Cassandra
  • Free trialboth
  • Most featuresAzure Cosmos DB for Apache Cassandra · 3 of 3

Google Cloud Bigtable scores higher on our rubric for wide-column databases: 9.1 against 9.0 out of 10; our editors rank them #2 and #3.

Azure Cosmos DB for Apache Cassandra offers free plan; Google Cloud Bigtable doesn't.

Google Cloud Bigtable is the better fit for managed wide-column workloads with rich cloud integrations. Azure Cosmos DB for Apache Cassandra is the better fit for cassandra workloads needing managed global distribution.

  • Google Cloud Bigtable fits best

    Managed wide-column workloads with rich cloud integrations

  • Azure Cosmos DB for Apache Cassandra fits best

    Cassandra workloads needing managed global distribution

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Side by side

Feature Google Cloud Bigtable 9.1/10 Visit ↗ Azure Cosmos DB for Apache Cassandra 9.0/10 Visit ↗
At a glance
Editor score 9.1 9.0
Ranking #2 in Wide-Column Databases #3 in Wide-Column Databases
Best for Managed wide-column workloads with rich cloud integrations Cassandra workloads needing managed global distribution
Pricing model Paid Free plan + paid
Starting price $0.65/device usage-based —
Free plan — ✓ (best)
Free trial 10 days 30 days
Free trial length 10 days 30 days
Deployment Cloud Cloud
Platforms Web Web
Features Google Cloud Bigtable 0/3 · Azure Cosmos DB for Apache Cassandra 3/3
Multi-region support Not checked yet ✓ (best)
Transaction support Not checked yet ✓ (best)
Horizontal scaling Not checked yet ✓ (best)
Specs
Deployment model Not checked yet Managed
Query interface Not checked yet Cql
Consistency controls Not checked yet Configurable
Maximum row size Not checked yet 2 MB
Our review
Pros
  • Autoscaling, replication, backups, and expiration controls
  • Supports GoogleSQL, HBase, Cassandra, gRPC, and REST/HTTP
  • Integrates with BigQuery, Dataflow, Spark, Vertex AI, and LangChain
  • CQL v3.11, Cassandra driver, and tool compatibility
  • Multi-region distribution and writes with five consistency levels
  • Managed scaling, backups, partitioning, and automatic indexing
Cons
  • Usage-based pricing includes node, storage, and network charges
  • No perpetual free plan; the free trial starts at 10 days
  • Cloud deployment may not suit workloads requiring other models
  • Paid pricing varies by usage and region
  • The free tier applies to one account per Azure subscription
  • The 30-day trial is limited to non-production databases
Our verdict

Google Cloud Bigtable is a managed NoSQL database for high-throughput, low-latency applications built on key-value and wide-column data models. It is aimed at large datasets across time-series, operational analytics, machine learning, IoT,…

Read the review →

Azure Cosmos DB for Apache Cassandra is a fully managed NoSQL database service for running Cassandra workloads in the cloud. It is aimed at teams that need wide-column storage with Cassandra Query Language (CQL) v3.11 compatibility,…

Read the review →
  1. Google Cloud BigtableWide-Column Databases 9.110-day trial
  2. Azure Cosmos DB for Apache CassandraWide-Column Databases 9.0Free plan · 30-day trial

Strengths and trade-offs

  • Google Cloud Bigtable — where it wins

    • Autoscaling, replication, backups, and expiration controls
    • Supports GoogleSQL, HBase, Cassandra, gRPC, and REST/HTTP
    • Integrates with BigQuery, Dataflow, Spark, Vertex AI, and LangChain

    Where it doesn't

    • Usage-based pricing includes node, storage, and network charges
    • No perpetual free plan; the free trial starts at 10 days
    • Cloud deployment may not suit workloads requiring other models
  • Azure Cosmos DB for Apache Cassandra — where it wins

    • CQL v3.11, Cassandra driver, and tool compatibility
    • Multi-region distribution and writes with five consistency levels
    • Managed scaling, backups, partitioning, and automatic indexing

    Where it doesn't

    • Paid pricing varies by usage and region
    • The free tier applies to one account per Azure subscription
    • The 30-day trial is limited to non-production databases
  • Google Cloud Bigtable9.1/10 · 10-day trial

    A scalable managed database for wide-column workloads with deep Google Cloud integration.

    Visit Google CloudFull verdict →
  • Azure Cosmos DB for Apache Cassandra9.0/10 · Free plan · 30-day trial

    A managed Cassandra option for globally distributed workloads with CQL compatibility.

    Visit siteFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update