Synthetic Data Vault
Synthetic Data Vault: A broad Python-based toolkit for generating, evaluating, and exporting synthetic data. Ranked #7 of 28 in Test Data Generation Tools by our editors (8.4/10); pricing: Free plan; best for API-first synthetic data development.
At a glance
- Editor score8.4 / 10
- PricingFree plan
- Best forAPI-first synthetic data development
- Free planYes
- Generation modesSynthetic
- Founded2020
- Facts checked20 Sep 2026
Where it wins
- Supports single-table, sequential, and multi-table relational data
- Includes constraints, quality evaluation, visualization, and sampling
- Connects with AlloyDB, BigQuery, MSSQL, Oracle, PostgreSQL, and Spanner
Where it doesn't
- Platform coverage is limited to API access
- AI Connectors are available only as an add-on
- Enterprise pricing includes additional usage charges
Our verdict on Synthetic Data Vault
Synthetic Data Vault is a Python library for generating and evaluating tabular synthetic data from real datasets. It supports single-table, sequential, and multi-table relational data, making it suitable for development teams that need programmatic control over synthetic datasets. The product works with CSV, Excel, pandas DataFrame, and JSON metadata, and supports on-premises deployment. Its free SDV Community plan includes five data types, five basic constraints, nine models, native CSV and Excel support, and community forum support.
Its main strength is breadth within an API-first workflow. Synthetic Data Vault combines generative AI synthesizers, constraint-based customization, statistical quality evaluation, visualization, conditional sampling, scalable sampling, and database import and export. The published database connectors include AlloyDB, BigQuery, MSSQL, Oracle, PostgreSQL, and Spanner. These capabilities make it a fit for teams working with relational structures or needing to compare generated data against source characteristics. SDV Enterprise Base adds 12+ models, 10+ data types, dedicated support, and access to AI Connectors as an add-on.
The plan structure also covers more specialized generation needs. SDV Bundles include Constraint Augmented Generation, XSynthesizers, Targeted Sampling, Differential Privacy, and AI Connectors, while Usage-Based Pricing charges for synthetic data created and includes a monthly spending cap. Teams should choose Synthetic Data Vault when API-based, self-hosted synthetic data generation and relational support matter more than a graphical platform. It is less suitable for buyers seeking broad platform coverage beyond an API or a packaged AI Connector experience without an add-on.
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Synthetic Data Vault pricing
All 4 Synthetic Data Vault plans and prices →
Synthetic Data Vault fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Generation modes | Synthetic |
| Relational data | Yes |
| API data generation | Yes |
| Supported data formats | CSV, Excel, pandas DataFrame, JSON metadata |
| Deployment | Self-hosted |
| Generation limit | Not verified |
| Database connectors | AlloyDB, BigQuery, MSSQL, Oracle, PostgreSQL, Spanner |
| Deployment | Self-hosted |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 6 integrations: AlloyDB, BigQuery, MSSQL, Oracle, PostgreSQL, Spanner See all → |
| Pricing | Free plan (source) |
| Website | sdv.dev |
| Facts checked | 20 Sep 2026 |
Synthetic Data Vault integrations
Synthetic Data Vault lists 6 integrations on its own site.
- AlloyDB
- BigQuery
- MSSQL
- Oracle
- PostgreSQL
- Spanner
See all Synthetic Data Vault integrations →
Alternatives to Synthetic Data Vault
- MOSTLY AIA broad synthetic-data platform for enterprise relational data teams.9.4
- SynthesizedA database-focused platform for schema-faithful synthetic data and protected test environments.9.2
- Tonic FabricateA flexible choice for AI-assisted relational test data with API and export workflows.9.0
See all Synthetic Data Vault alternatives →
Synthetic Data Vault vs the competition
- Synthetic Data Vault vs MOSTLY AI
- Synthetic Data Vault vs Synthesized
- Synthetic Data Vault vs Tonic Fabricate
- Synthetic Data Vault vs YData Synthetic
- Synthetic Data Vault vs Benerator
- Synthetic Data Vault vs GenRocket
Compare Synthetic Data Vault with any tool side by side →
Also Ranked In
Synthetic Data Vault is ranked in 4 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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