Google Cloud Spanner vs SingleStore Helios
Google Cloud Spanner
cloud.google.comSingleStore Helios
singlestore.comSide by side
| Figure | Google Cloud Spanner | SingleStore Helios |
|---|---|---|
| Price from | — | $0.99/mo |
| Free plan | — | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 7 | 6 |
| Spec score · Distributed SQL Databases | 8.3 (#10) | 8.9 (#5) |
| Spec score · Database Software | 8.4 (#32) | 9.3 (#3) |
| Spec score · Multimodel Databases | 8.1 (#13) | 8.7 (#6) |
| Availability | Google says Spanner delivers up to 99.999% availability and offers single-region, dual-region, and multi-region configurations. | SingleStore advertises up to a 99.99% uptime SLA for production Helios deployments. |
| Compliance | Google lists ISO 27001, SOC 2, and HIPAA among Spanner’s certifications and compliance credentials. | SingleStore states that it holds ISO 27001 and SOC 2 Type 2 certifications and maintains a privacy-compliance framework. |
| Free plan | No | Yes |
| Integrations | Google documents integrations with Cloud Run, Dataflow, Cloud Storage, Compute Engine, GKE, Gemini Enterprise Agent Platform, and Looker. | Listed integrations include AWS Glue, Apache Beam, Apache Flink, Apache Spark, Azure Data Factory, Azure Event Hubs, Confluent Kafka, Fivetran, Informatica, Qlik, Tableau Prep, dbt, Datadog, New Relic and Terraform. |
| Security | Spanner provides encryption in transit, identity and access controls, and security controls under a shared responsibility model. | SingleStore describes security across application security, cloud security, corporate IT security, and governance, risk, and compliance. |
| Support | Google lists support packages, Stack Overflow, online help communities, and bug or feature requests as support options for Spanner instances. | Paid Helios subscriptions include Standard support, with Silver and Platinum tiers offering faster response targets and expanded coverage. |
Plans
Google Cloud Spanner
- StandardPrice not published
- EnterprisePrice not published
- Enterprise PlusPrice not published
- Spanner free trial instanceFree
- Standard edition compute$0.03 a month
- Enterprise edition compute$0.04 a month
- Enterprise Plus edition compute$0.06 a month
SingleStore Helios
- SharedFree
- Standard$0.99 a month
- Enterprise$1.49 a month
- StandardPriced on request
- EnterprisePriced on request
- BYOC StandardPriced on request
In their own words
Google Cloud Spanner
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.
SingleStore Helios
SingleStore Helios is a cloud database service available on AWS, Google Cloud, and Microsoft Azure. It handles transactional and analytical workloads in one database, with storage and compute scaled independently. Its data capabilities include relational records, JSON/BSON documents, vector and full-text search, time-series, geospatial, and key-value data. SingleStore Pipelines can ingest from sources such as Kafka, Amazon S3, and HDFS. For AI workloads, the service includes Jupyter notebooks, data integration services, and a compute service. Listed integrations include Datadog, Terraform, Apache Spark, AWS Glue, Azure Data Factory, dbt, and Fivetran. Helios is available through web and API platforms. The free Shared plan provides one workspace for evaluation, development, and non-production testing, with self-support. Standard is $0.99 a month for managed production workloads, with read replicas, database branching, 30-day monitoring, and support. Enterprise is $1.49 a month and adds online point-in-time recovery, Smart Disaster Recovery, audit logging, and customer-managed encryption keys. The listed availability commitments vary by configuration, reaching 99.99% across two availability zones on paid plans.