vioscale
Relational DatabasesUnclaimed

Google Cloud Spanner

Always-on database with virtually unlimited scale

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Also known as
google-cloud-spanner

What is 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

Google Cloud Spanner pricing

We don't have Google Cloud Spanner's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.

Pricing as of verify at live pricing ↗Independently observed
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.

What Google Cloud Spanner does

The capabilities that matter for relational databases, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core
SQL model
Full SQL
Transactions
ACID transactions
Full
Highest isolation level
-
Consistency
Consistency
Strong
Scale
Horizontal scale
Natively distributed
Replication
Replication
-
Availability
Automatic failover / HA
✓
Deployment
Deployment
Managed
Serverless / scale-to-zero
-
Compatibility
Wire compatibility
Postgres protocol
Extensibility
Extensions / plugins / UDFs
✓
Licensing
Licence class
Proprietary
Data types
JSON / document support
-
Geo / spatial
-
Independently observed

Platform & deployment

Independently observed
Deployment
  • Cloud / SaaS
  • Hybrid
  • Self-hosted

Integrations (3)

Independently observed
  • Gemini Enterprise Agent Platform
  • Model Context Protocol (MCP)
  • Spanner Graph

Google Cloud Spanner alternatives

Other relational databases we track, ranked by the same independent score.

Independent · unbought · dated

The Vioscale score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Google Cloud Spanner, not the verdict.

Balanced composite 43 / 100
low · 38%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Capabilities4617.00778.9✓
Reliability5010.00500.0✓
Price Level806.00480.0✓
Pricing Transparency258.00200.0✓
Integrations178.00138.5✓
Security Posture018.000.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Features

AttributeValueEvidence
Capabilities{"sql_model":"full_sql","deployment":"managed","consistency":"strong","extensibility":true,"license_class":"proprietary","horizontal_scale":"distributed_native","acid_transactions":"full","automatic_failover":true,"wire_compatibility":"postgres"}mediumsource · 2026-08-03 · 60%

Integrations

AttributeValueEvidence
Count3mediumsource · 2026-08-03 · 60%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-08-03 · 60%
Modelcommercialmediumsource · 2026-08-03 · 70%
Price levellowmediumsource · 2026-08-03 · 60%

Reliability

AttributeValueEvidence
Status pageYesmediumsource · 2026-08-03 · 60%