Comparison

CockroachDB vs Google Cloud Spanner

On the evidence we track, CockroachDB leads this comparison with a composite score of 65/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★CockroachDB65
Google Cloud Spanner55
Score
vioscaleAI score
CockroachDB65 / 100medium · 65%
Google Cloud Spanner55 / 100low · 38%
Pricing
Free tier
CockroachDB✓
Google Cloud Spanner✓
Model
CockroachDBfreemium
Google Cloud Spannercommercial
Price level
CockroachDBlow
Google Cloud Spannerlow
Starting price
CockroachDB$0.06
Google Cloud Spanner–
Transparent
CockroachDB✓
Google Cloud Spanner–
Integrations
Count
CockroachDB6
Google Cloud Spanner4
Security
Certifications
Disclosure policy
CockroachDB✓
Google Cloud Spanner–
Gdpr
CockroachDB✓
Google Cloud Spanner–
Hipaa
CockroachDB✓
Google Cloud Spanner–
Iso27001
CockroachDB✓
Google Cloud Spanner–
Pci
CockroachDB✓
Google Cloud Spanner–
Scorecard
CockroachDB5.1
Google Cloud Spanner–
Soc2
CockroachDB✓
Google Cloud Spanner–
Trust center
Google Cloud Spanner–
Reliability
Sla pct
CockroachDB99.99
Google Cloud Spanner99.999
Status page
CockroachDB–
Google Cloud Spanner✓
Adoption
Dependent repos
CockroachDB235
Google Cloud Spanner–
Github stars
CockroachDB32,549
Google Cloud Spanner–
Activity
Commits last 30d
CockroachDB11
Google Cloud Spanner–
Language
Primary
CockroachDBGo
Google Cloud Spanner–
Market
Availability
Google Cloud Spanner–
Content
Faq
CockroachDB6 items
Google Cloud Spanner4 items

Capabilities

Feature-by-feature on the axes that matter for relational databases. “-” means undocumented, not absent.

Core
SQL model
CockroachDBFull SQL
Google Cloud SpannerFull SQL
Transactions
ACID transactions
CockroachDBFull
Google Cloud SpannerFull
Highest isolation level
CockroachDBSerializable
Google Cloud SpannerSerializable
Consistency
Consistency
CockroachDBStrong
Google Cloud SpannerStrong
Scale
Horizontal scale
CockroachDBNatively distributed
Google Cloud SpannerNatively distributed
Replication
Replication
CockroachDBConsensus (Raft/Paxos)
Google Cloud SpannerConsensus (Raft/Paxos)
Availability
Automatic failover / HA
CockroachDB✓
Google Cloud Spanner✓
Deployment
Deployment
CockroachDBManaged
Google Cloud SpannerManaged
Serverless / scale-to-zero
CockroachDB✓
Google Cloud Spanner-
Compatibility
Wire compatibility
CockroachDBPostgres protocol
Google Cloud SpannerPostgres protocol
Extensibility
Extensions / plugins / UDFs
CockroachDB✗
Google Cloud Spanner✓
Licensing
Licence class
CockroachDBSource-available (BSL/SSPL)
Google Cloud SpannerProprietary
Data types
JSON / document support
CockroachDB✗
Google Cloud Spanner-
Geo / spatial
CockroachDBNone
Google Cloud Spanner-

What each one is

The product in its own terms, so the numbers below have context.

CockroachDB

Leader

A cloud-native SQL database that scales automatically across machines without manual sharding, supporting ACID transactions and multi-region deployments. It survives node, zone, and regional failures with minimal disruption and is compatible with PostgreSQL applications.

Independently observed

Google Cloud Spanner

Google Cloud Spanner is a managed database service that unifies multiple data models (relational, key-value, graph, vector search) on one platform. It provides up to 99.999% uptime with globally consistent transactions through a distributed timestamp system.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

CockroachDB

Leader
from $0.06/vCPU-hourUsage-basedFree tier30-day trial

From $0.057/vCPU-hr. Free 30-day trial with $400 credit.

  • StandardFrom $0.057/vCPU-hr, 99.99% SLA
    • 99.99% availability SLA
    • Single- or multi-region on AWS and GCP
    • Row-level security
    • Column-level encryption
    • Private connectivity
    • +2 more
  • Mission Critical$0.162/vCPU-hr, 99.999% SLA
    • 99.999% availability SLA with multi-region
    • Egress controls
    • CMEK
    • PCI DSS & HIPAA compliance
    • All add-ons available
    • +1 more
as of verify ↗

Google Cloud Spanner

Usage-basedFree tier90-day trial

Usage-based pricing: compute capacity (nodes/processing units, hourly), storage (monthly), backups, data replication, network bandwidth. Free 90-day trial instances. Optional 1-year and 3-year committed use discounts. Three editions available: Standard, Enterprise, and Enterprise Plus.

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
CockroachDB✓
Google Cloud Spanner–
CLI
CockroachDB✓
Google Cloud Spanner–
Deployment
Cloud / SaaS
CockroachDB✓
Google Cloud Spanner✓
Self-hosted
CockroachDB✓
Google Cloud Spanner✓
On-premise
CockroachDB✓
Google Cloud Spanner✓
Hybrid
CockroachDB✓
Google Cloud Spanner✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

CockroachDB

Leader
16 total
  • Datadog
  • Splunk
  • Dynatrace
  • New Relic
  • Terraform
  • Vercel
  • HashiCorp
  • pgvector
  • AWS
  • GCP
  • Azure
  • Kubernetes
  • MOLT (Migration Tool)
  • PostgreSQL drivers
  • SQLAlchemy
  • Google Cloud
Independently observed

Google Cloud Spanner

9 total
  • Gemini Enterprise Agent Platform
  • Gemini CLI
  • Model Context Protocol (MCP)
  • Agent Development Kit (ADK)
  • Data Agent Kit
  • VS Code
  • Cursor
  • GitHub Copilot
  • Kiro
Independently observed
Still deciding?

CockroachDB or Google Cloud Spanner: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.