Comparison

Google Cloud Spanner vs Vitess

On the evidence we track, Vitess leads this comparison with a composite score of 62/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Google Cloud Spanner full profile →Vitess full profile →

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Google Cloud Spanner44

★Vitess62

Attribute comparison across 2 tools
Attribute	Google Cloud Spanner	VitessLeader
Vioscale score	44 / 100low · 39%	62 / 100low · 49%
Pricing
Free tierpricing.free_tier	✓	-
Modelpricing.model	commercial	-
Price levelpricing.price_level	low	-
Integrations
Countintegrations.count	5	-
Security
Scorecardsecurity.scorecard	-	8
Vulnerabilitiessecurity.vulnerabilities	-	Count: 5 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=vitess.io%2Fvitess&per_page=100 · Last 12m: 2 · Max severity: CRITICAL
Reliability
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	-	235
Github starsadoption.github_stars	-	21,259
Activity
Commits last 30dactivity.commits_last_30d	-	62
Release
Cadence daysrelease.cadence_days	-	6
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	Go

Score

Vioscale score

Google Cloud Spanner44 / 100low · 39%

Vitess62 / 100low · 49%

Pricing

Free tier

Google Cloud Spanner✓

Vitess–

Model

Google Cloud Spannercommercial

Vitess–

Price level

Google Cloud Spannerlow

Vitess–

Integrations

Count

Google Cloud Spanner5

Vitess–

Security

Scorecard

Google Cloud Spanner–

Vitess8

Vulnerabilities

Google Cloud Spanner–

VitessCount: 5 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=vitess.io%2Fvitess&per_page=100 · Last 12m: 2 · Max severity: CRITICAL

Reliability

Status page

Google Cloud Spanner✓

Vitess–

Adoption

Dependent repos

Google Cloud Spanner–

Vitess235

Github stars

Google Cloud Spanner–

Vitess21,259

Activity

Commits last 30d

Google Cloud Spanner–

Vitess62

Release

Cadence days

Google Cloud Spanner–

Vitess6

History

Google Cloud Spanner–

Vitess20 items

License

Spdx

Google Cloud Spanner–

VitessApache-2.0

Language

Primary

Google Cloud Spanner–

VitessGo

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

Core

SQL model

Google Cloud SpannerFull SQL

VitessFull SQL

Transactions

ACID transactions

Google Cloud SpannerFull

Vitess-

Highest isolation level

Google Cloud SpannerSerializable

Vitess-

Consistency

Google Cloud SpannerStrong

Vitess-

Scale

Horizontal scale

Google Cloud SpannerNatively distributed

VitessSharded

Replication

Google Cloud SpannerConsensus (Raft/Paxos)

Vitess-

Availability

Automatic failover / HA

Google Cloud Spanner✓

Vitess✓

Deployment

Google Cloud SpannerManaged

VitessSelf-hosted

Serverless / scale-to-zero

Google Cloud Spanner-

Vitess-

Compatibility

Wire compatibility

Google Cloud SpannerPostgres protocol

VitessMySQL protocol

Extensibility

Extensions / plugins / UDFs

Google Cloud Spanner✓

Vitess-

Licensing

Licence class

Google Cloud SpannerProprietary

Vitess-

Data types

JSON / document support

Google Cloud Spanner-

Vitess-

Geo / spatial

Google Cloud Spanner-

Vitess-

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

Vitess

Leader

Vitess is a MySQL-compatible database that extends scalability through built-in sharding and improves performance via query rewriting, caching, and connection pooling. It provides automatic failure detection and repair for high availability.

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 ↗

Vitess

Leader

Pricing not documented yet.

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	Vitess
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✓	✓

Deployment

Cloud / SaaS

Google Cloud Spanner✓

Vitess✗

Self-hosted

Google Cloud Spanner✓

Vitess✓

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

Vitess

Leader

Not documented yet.

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