Comparison

Google Cloud Spanner vs YugabyteDB

On the evidence we track, YugabyteDB leads this comparison with a composite score of 59/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Google Cloud Spanner full profile →YugabyteDB full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

Google Cloud Spanner44

★YugabyteDB59

Attribute comparison across 2 tools
Attribute	Google Cloud Spanner	YugabyteDBLeader
Vioscale score	44 / 100low · 39%	59 / 100medium · 71%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	low	high
Transparentpricing.transparent	-	✓
Integrations
Countintegrations.count	5	1
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	-	✓
Iso27001security.iso27001	-	✓
Soc2security.soc2	-	✓
Reliability
Status pagereliability.status_page	✓	✓

Score

Vioscale score

Google Cloud Spanner44 / 100low · 39%

YugabyteDB59 / 100medium · 71%

Pricing

Free tier

Google Cloud Spanner✓

YugabyteDB✓

Model

Google Cloud Spannercommercial

YugabyteDBcommercial

Price level

Google Cloud Spannerlow

YugabyteDBhigh

Transparent

Google Cloud Spanner–

YugabyteDB✓

Integrations

Count

Google Cloud Spanner5

YugabyteDB1

Security

Disclosure policy

Google Cloud Spanner–

YugabyteDB✓

Gdpr

Google Cloud Spanner–

YugabyteDB✓

Iso27001

Google Cloud Spanner–

YugabyteDB✓

Soc2

Google Cloud Spanner–

YugabyteDB✓

Reliability

Status page

Google Cloud Spanner✓

YugabyteDB✓

Capabilities

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

Capability comparison for Relational Databases
Capability	Google Cloud Spanner	YugabyteDB
Core
SQL model	Full SQL	Full SQL
Transactions
ACID transactions	Full	Full
Highest isolation level	Serializable	Serializable
Consistency
Consistency	Strong	Strong
Scale
Horizontal scale	Natively distributed	Natively distributed
Replication
Replication	Consensus (Raft/Paxos)	Consensus (Raft/Paxos)
Availability
Automatic failover / HA	✓	✓
Deployment
Deployment	Managed	Self-hosted
Serverless / scale-to-zero	-	-
Compatibility
Wire compatibility	Postgres protocol	Postgres protocol
Extensibility
Extensions / plugins / UDFs	✓	✓
Licensing
Licence class	Proprietary	Permissive OSS
Data types
JSON / document support	-	✓
Geo / spatial	-	-

Core

SQL model

Google Cloud SpannerFull SQL

YugabyteDBFull SQL

Transactions

ACID transactions

Google Cloud SpannerFull

YugabyteDBFull

Highest isolation level

Google Cloud SpannerSerializable

YugabyteDBSerializable

Consistency

Google Cloud SpannerStrong

YugabyteDBStrong

Scale

Horizontal scale

Google Cloud SpannerNatively distributed

YugabyteDBNatively distributed

Replication

Google Cloud SpannerConsensus (Raft/Paxos)

YugabyteDBConsensus (Raft/Paxos)

Availability

Automatic failover / HA

Google Cloud Spanner✓

YugabyteDB✓

Deployment

Google Cloud SpannerManaged

YugabyteDBSelf-hosted

Serverless / scale-to-zero

Google Cloud Spanner-

YugabyteDB-

Compatibility

Wire compatibility

Google Cloud SpannerPostgres protocol

YugabyteDBPostgres protocol

Extensibility

Extensions / plugins / UDFs

Google Cloud Spanner✓

YugabyteDB✓

Licensing

Licence class

Google Cloud SpannerProprietary

YugabyteDBPermissive OSS

Data types

JSON / document support

Google Cloud Spanner-

YugabyteDB✓

Geo / spatial

Google Cloud Spanner-

YugabyteDB-

What each one is

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

Google Cloud Spanner

Google Cloud's globally distributed, multi-model database supporting relational, graph, key-value, and search capabilities with native PostgreSQL interface and Gemini AI integration.

Independently observed

YugabyteDB

Leader

A distributed SQL database designed for mission-critical transactional data, available as open source software or managed cloud services with multi-region and high-availability capabilities.

Independently observed

Pricing

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

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 2026-08-03verify ↗

YugabyteDB

Leader

from $125/moHybridFree tier

From $125/vCPU/month. Free tier available. Storage and data transfer costs additional.

Standard$125/vCPU/month
- PostgreSQL API (YSQL)
- Cassandra API (YCQL)
- Change Data Capture
- Single-region fault tolerance
- PostgreSQL extensions
- +7 more
Professional$167/vCPU/month
- All Standard features
- Multi-region stretched clusters
- Read Replicas
- Row-level geo-partitioning for data residency
- Performance Advisor
- +3 more
EnterpriseContact sales
- All Professional features
- Customer Managed Keys (CMK) encryption at rest
- Single Sign On via OpenID Connect (OIDC)

as of 2026-08-03verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Google Cloud Spanner	YugabyteDB
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✓
HybridDeployment	✗	✓

Deployment

Cloud / SaaS

Google Cloud Spanner✓

YugabyteDB✓

Self-hosted

Google Cloud Spanner✓

YugabyteDB✓

Hybrid

Google Cloud Spanner✗

YugabyteDB✓

Integrations

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

Google Cloud Spanner

5 total

Gemini Enterprise Agent Platform
Gemini CLI
Model Context Protocol (MCP)
Agent Development Kit (ADK)
Data Agent Kit

Independently observed

YugabyteDB

Leader

1 total

Arctype SQL Client

Independently observed

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