Google Cloud Spanner
A globally distributed database combining unlimited scalability with strong consistency and multi-model support
- Vendor
- Google Cloud
- 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.
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.
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.
- SQL model
- Full SQL
- ACID transactions
- Full
- Highest isolation level
- Serializable
- Consistency
- Strong
- Horizontal scale
- Natively distributed
- Replication
- Consensus (Raft/Paxos)
- Automatic failover / HA
- ✓
- Deployment
- Managed
- Serverless / scale-to-zero
- -
- Wire compatibility
- Postgres protocol
- Extensions / plugins / UDFs
- ✓
- Licence class
- Proprietary
- JSON / document support
- -
- Geo / spatial
- -
Platform & deployment
Independently observed- Cloud / SaaS
- Hybrid
- On-premise
- Self-hosted
Integrations (5)
Independently observed- Gemini Enterprise Agent Platform
- Gemini CLI
- Model Context Protocol (MCP)
- Agent Development Kit (ADK)
- Data Agent Kit
Google Cloud Spanner FAQ
Common questions about Google Cloud Spanner, answered from independent, dated evidence.
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. It is indexed under Relational Databases.
Source: https://cloud.google.com/spanner
Is Google Cloud Spanner free?
Google Cloud Spanner offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.
Source: https://cloud.google.com/spanner
Can Google Cloud Spanner be self-hosted?
Yes. Google Cloud Spanner can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://cloud.google.com/spanner
What does Google Cloud Spanner integrate with?
We have confirmed 5 integrations for Google Cloud Spanner, including Gemini Enterprise Agent Platform, Gemini CLI, Model Context Protocol (MCP), Agent Development Kit (ADK) and Data Agent Kit. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://cloud.google.com/spanner
Google Cloud Spanner alternatives
Other relational databases we track, ranked by the same independent score.
- NeonServerless PostgreSQL database with automatic scaling and git-like branchingmedium · 71%
- SupabaseA database platform built on PostgreSQL that provides hosted cloud databases with auto-generated APIs and real-time capabilities for web, mobile, and AI applicamedium · 73%
- PlanetScaleA MySQL and PostgreSQL database platform optimized for speed and reliabilitymedium · 73%
- MySQLAn open-source relational database server widely used in web applications and production systemsmedium · 55%
- CockroachDBmedium · 66%
- PostgreSQLA free, open source relational database system with a long development historymedium · 60%
Compare Google Cloud Spanner
Side by side against other relational databases, attribute by attribute, with a source on every value.
The vioscaleAI 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.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Reliability | 100 | 0.07 | 6.8 | ✓ |
| Price level | 80 | 0.04 | 3.3 | ✓ |
| Capabilities | 46 | 0.04 | 1.7 | ✓ |
| Pricing transparency | 25 | 0.05 | 1.4 | ✓ |
| Integrations | 22 | 0.04 | 1.0 | ✓ |
| Security posture | 0 | 0.12 | 0.0 | - |
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.
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 4 items | mediumsource · 2026-09-10 · 60% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Isolation: serializable · Sql model: full_sql · Deployment: managed · Consistency: strong · Replication: consensus · Extensibility: Yes | mediumsource · 2026-09-03 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 5 | mediumsource · 2026-08-13 · 60% |
Pricing
Reliability
Is Google Cloud Spanner the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank Google Cloud Spanner against the rest of the relational databases we index, using the same dated evidence weighted your way.
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