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Google Cloud Spanner

cloud.google.com

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Spec score 8.3 #10 of 25 in Distributed SQL Databases

What it is

Google Cloud Spanner is a paid database service combining relational, graph, key-value, and search capabilities. It provides Strong-ACID transactions ordered with TrueTime, horizontal read and write scaling, automatic sharding, and geo-partitioning. Configurations include single-region, dual-region, and multi-region deployments, with Google describing availability up to 99.999%. Spanner Graph, vector search, and built-in full-text search are included. A columnar engine supports ad hoc analytics on live data, and BigQuery integration enables federated queries. Spanner Omni is downloadable for on-premises, cross-cloud, or laptop deployment. Client libraries cover C++, C#, Go, Java, Node.js, PHP, Python, and Ruby. Integrations include Cloud Run, Dataflow, Cloud Storage, Compute Engine, GKE, Gemini Enterprise Agent Platform, and Looker. Security includes encryption in transit and identity and access controls. PostgreSQL compatibility, horizontal scaling, multi-region deployment, geo-partitioning, and HTAP workloads are listed.

Spec sheet

Deployment
Spanner Omni is a downloadable version that can run on-premises, across clouds, or on a laptop.Read 29 Sep 2026 · cloud.google.com
Free plan
NoRead 20 Sep 2026 · cloud.google.com
Integrations
Google documents integrations with Cloud Run, Dataflow, Cloud Storage, Compute Engine, GKE, Gemini Enterprise Agent Platform, and Looker.Read 29 Sep 2026 · docs.cloud.google.com
Security
Spanner provides encryption in transit, identity and access controls, and security controls under a shared responsibility model.Read 29 Sep 2026 · docs.cloud.google.com
Compliance
Google lists ISO 27001, SOC 2, and HIPAA among Spanner’s certifications and compliance credentials.Read 29 Sep 2026 · docs.cloud.google.com
Support
Google lists support packages, Stack Overflow, online help communities, and bug or feature requests as support options for Spanner instances.Read 29 Sep 2026 · docs.cloud.google.com
Analytics
Its columnar engine supports ad hoc analytics on live data, and it integrates with BigQuery for federated queries.Read 29 Sep 2026 · cloud.google.com
Availability
Google says Spanner delivers up to 99.999% availability and offers single-region, dual-region, and multi-region configurations.Read 29 Sep 2026 · cloud.google.com
Database
Spanner is a globally distributed database that unifies relational, graph, key-value, and search capabilities.Read 29 Sep 2026 · cloud.google.com
Programming languages
Client libraries are available for C++, C#, Go, Java, Node.js, PHP, Python, and Ruby.Read 29 Sep 2026 · docs.cloud.google.com
Scaling
Spanner provides horizontal read and write scalability, automatic database sharding, and geo-partitioning.Read 29 Sep 2026 · cloud.google.com
Search and graph
Spanner includes Spanner Graph, vector search, and built-in full-text search.Read 29 Sep 2026 · cloud.google.com
Transactions
Spanner provides strong transactional consistency and describes its transactions as Strong-ACID with TrueTime ordering.Read 29 Sep 2026 · cloud.google.com
Trial limits
Free trial instances support up to 10 GB of data, do not include an SLA, and are not intended for production use.Read 29 Sep 2026 · docs.cloud.google.com

Plans and prices

Standard Price not published Regional configuration · Pay-as-you-use compute pricing Read 20 Sep 2026 · cloud.google.com
Enterprise Price not published Regional configuration · Additional multi-model and advanced capabilities Read 20 Sep 2026 · cloud.google.com
Enterprise Plus Price not published Regional, dual-region, and multi-region configurations · Highest availability, performance, compliance, and governance tier Read 20 Sep 2026 · cloud.google.com
Spanner free trial instance Free At no cost for up to 90 days. 10 GB storage · One instance per project lifecycle · Maximum five databases · No SLA · Regional configurations only · No backup and restore · No customer-managed encryption keys Read 29 Sep 2026 · docs.cloud.google.com
Standard edition compute $0.03 a month Hourly, per 100 processing units, per replica; compute capacity is provisioned as processing units or nodes (1 node = 1000 processing units). Regional (single-region) configurations Read 29 Sep 2026 · cloud.google.com
Enterprise edition compute $0.04 a month Hourly, per 100 processing units, per replica; compute capacity is provisioned as processing units or nodes (1 node = 1000 processing units). Additional multi-model and advanced search capabilities Read 29 Sep 2026 · cloud.google.com
Enterprise Plus edition compute $0.06 a month Hourly, per 100 processing units, per replica; compute capacity is provisioned as processing units or nodes (1 node = 1000 processing units). Highest levels of availability, performance, compliance, and governance Read 29 Sep 2026 · cloud.google.com

Every Google Cloud Spanner plan and price →

Strong points and limits

Strong points

  • Strong-ACID transactions with TrueTime ordering
  • Automatic sharding and geo-partitioning
  • Built-in graph, vector, and full-text search
  • Up to 99.999% stated availability
  • Downloadable Spanner Omni deployment

Limits

  • No free plan
  • Free trial limited to 10 GB
  • Trial has no SLA and is not for production

Who it suits

It suits teams needing a distributed database with multi-model features, strong transactions, analytics, and regional or multi-region deployment. Developers can use its documented language libraries, APIs, and integrations.

Verdict

Spanner brings transactional consistency, distributed scaling, multi-model search, and live-data analytics into one database service. Its free trial is restricted, and paid compute prices vary by edition and configuration.

Where Specifiction places it

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