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Google Cloud Spanner vs YugabyteDB

Google Cloud Spanner: Google's globally consistent, horizontally scaling SQL service with graph, vector and full-text built in. YugabyteDB: Apache-licensed distributed SQL that reuses the PostgreSQL query layer on a Raft-replicated storage engine.

key differences

  • Licensing: Google Cloud Spanner is proprietary (Proprietary (Google Cloud service)); YugabyteDB is open source (permissive) (Apache License 2.0).
  • Google Cloud Spanner is built for larger datasets (Multi-PB) than YugabyteDB (≤ 1 PB).
  • Only Google Cloud Spanner has time travel.
  • Only YugabyteDB has triggers, stored procedures, materialized views.

choose google-cloud-spanner for

  • +Global financial ledgers and payment systems
  • +Gaming backends with worldwide player state
  • +Inventory and supply-chain systems of record
  • +Identity and metadata services at very high write rates

best at · OLTP, Traversal, Vector search

choose yugabytedb for

  • +Scaling a Postgres application beyond one primary
  • +Multi-region customer and order data with zone/region resilience
  • +Retail and financial OLTP needing horizontal write capacity
  • +IoT and telemetry metadata with TTL on YCQL tables

best at · OLTP, Metadata, IoT

Google Cloud SpannerGoogle's globally consistent, horizontally scaling SQL service with graph, vector and full-text built in.
YugabyteDBApache-licensed distributed SQL that reuses the PostgreSQL query layer on a Raft-replicated storage engine.
overview
Primary model
Relational
Relational
Also supports
Graph, Key-Value, Vector, Search Engine
Document, Wide-Column, Vector
Type
Managed service
Database engine
Status
Active
Active
Developer
Google
Yugabyte, Inc.
First release
2017
2017
Latest version
–
2026.1.2.0 (Sep 22, 2026)
License
ProprietaryProprietary (Google Cloud service)
Open source (permissive)Apache License 2.0
Free tier
—
✓
popularity
WhichDB Score
34.5
32.7
Rank
#59
#69
GitHub stars
–
10.6K
Stack Overflow questions
733
370
scale & guarantees
Comfortable data size
Massive (Multi-PB)
Large (≤ 1 PB)
Horizontal scaling
Native
Native
Multi-region
Active active
Active active
ACID
Full
Full
Consistency
Strong
Strong, Tunable
Schema
Strict
Strict
Architecture
Distributed, Multi primary
Distributed, Multi primary, Client server
deployment
Self-hosted
—
✓
Vendor-managed cloud
✓
✓
Serverless
—
—
Embedded
—
—
Edge
—
—
Clouds
Google Cloud
AWS, Google Cloud, Azure
capabilities
Transactions
✓
✓
Joins
✓
✓
Secondary indexes
✓
✓
Full-text search
✓
✓
Vector search
✓
✓
Geospatial
—
—
JSON
✓
✓
Change data capture
✓
✓
Triggers
—
✓
Stored procedures
—
✓
Materialized views
—
✓
TTL / expiry
✓
✓
Pub/Sub
—
—
Columnar storage
—
—
In-memory
—
—
Durable persistence
✓
✓
Compression
✓
✓
Encryption at rest
✓
✓
Role-based access
✓
✓
Time travel
✓
—
Branching
—
—
Online schema changes
✓
✓
Streaming ingest
—
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
GoogleSQL, PostgreSQL dialect, GQL
SQL, PL/pgSQL, CQL
Client languages
Java, Go, Python, JavaScript, C#, C++, PHP, Ruby
Java, Go, Python, JavaScript, C#, Rust, Ruby, C++
Best for
OLTP, Traversal, Vector search, Search
OLTP, Metadata, IoT, Vector search
Add more to this comparisonNot sure either fits? Try smart match

Google Cloud Spanner vs YugabyteDB: FAQ

What is the difference between Google Cloud Spanner and YugabyteDB?

Google Cloud Spanner: Google's globally consistent, horizontally scaling SQL service with graph, vector and full-text built in. YugabyteDB: Apache-licensed distributed SQL that reuses the PostgreSQL query layer on a Raft-replicated storage engine. Licensing: Google Cloud Spanner is proprietary (Proprietary (Google Cloud service)); YugabyteDB is open source (permissive) (Apache License 2.0). Google Cloud Spanner is built for larger datasets (Multi-PB) than YugabyteDB (≤ 1 PB). Only Google Cloud Spanner has time travel.

When should I choose Google Cloud Spanner over YugabyteDB?

Choose Google Cloud Spanner for global financial ledgers and payment systems; gaming backends with worldwide player state; and inventory and supply-chain systems of record. Choose YugabyteDB for scaling a Postgres application beyond one primary; multi-region customer and order data with zone/region resilience; and retail and financial OLTP needing horizontal write capacity.

Is Google Cloud Spanner or YugabyteDB more popular?

Google Cloud Spanner ranks #59 on the WhichDB Score (34.5/100) and YugabyteDB ranks #69 (32.7/100). Popularity is not fit: check the requirements that matter for your project.

Are Google Cloud Spanner and YugabyteDB open source?

No. Google Cloud Spanner is proprietary, closed-source software. Yes. YugabyteDB is open source. License: Apache License 2.0.