# CTGAN vs DataSynthesizer

**Leader by vioscaleAI score:** CTGAN

| Attribute | CTGAN | DataSynthesizer |
|---|---|---|
| **vioscaleAI score** | 38.3 (55% (medium)) | 30.6 (41% (low)) |
| activity.commits_last_30d | 2 | 0 |
| adoption.dependent_repos | 29 | 2 |
| adoption.github_stars | 1,574 | 278 |
| content.faq | `[{"answer":"An open-source tool that learns patterns from real single-table datasets and generates high-quality synthetic data with preserved statistical properties, built on generative adversarial network architecture. It is indexed under Synthetic Data.","source":"https://github.com/pricing","question":"What is CTGAN?","confidence":0.6},{"answer":"CTGAN is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is CTGAN free to use?","confidence":0.6},{"answer":"CTGAN supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does CTGAN support?","confidence":0.6},{"answer":"Yes. CTGAN can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can CTGAN be self-hosted?","confidence":0.6}]` | `[{"answer":"An open-source Python library that creates synthetic datasets mimicking the statistical properties of real data while applying differential privacy to protect sensitive information. It enables collaboration between data scientists and data owners. It is indexed under Synthetic Data.","source":"https://github.com/pricing","question":"What is DataSynthesizer?","confidence":0.6},{"answer":"DataSynthesizer is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is DataSynthesizer free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to DataSynthesizer. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://github.com/pricing","question":"What platforms does DataSynthesizer support?","confidence":0.6},{"answer":"Yes. DataSynthesizer can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can DataSynthesizer be self-hosted?","confidence":0.6},{"answer":"Yes. DataSynthesizer is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/dataresponsibly/DataSynthesizer","question":"Is DataSynthesizer open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source synthetic data generator that uses Conditional GANs to learn patterns from real tabular data and produce high-fidelity synthetic versions for analysis and testing. | An open-source Python library that creates synthetic datasets mimicking the statistical properties of real data while applying differential privacy to protect sensitive information. It enables collaboration between data scientists and data owners. |
| features.capabilities | `{"deployment":"self_host","open_source":true,"pricing_model":"open_source","industry_focus":"horizontal","generation_method":"GAN","fidelity_utility_reporting":true}` | `{"deployment":"self_host","open_source":true,"pricing_model":"open_source","industry_focus":"horizontal","generation_method":"statistical/copula","differential_privacy":true}` |
| integrations.count | 2 | - |
| integrations.list | `[{"name":"SDV ecosystem"},{"name":"Python packages"}]` | - |
| language.primary | Python | HTML |
| license.spdx | - | MIT |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-10-15T20:21:20.070Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-10-15T21:00:27.086Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 70 | - |
| release.history | `[{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.12.1","date":"2026-02-13T03:09:04Z","type":"stable","version":"v0.12.1"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.12.0","date":"2026-01-27T21:27:45Z","type":"stable","version":"v0.12.0"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.11.1","date":"2025-10-30T21:27:27Z","type":"stable","version":"v0.11.1"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.11.0","date":"2025-02-26T20:06:21Z","type":"stable","version":"v0.11.0"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.10.2","date":"2024-10-22T15:46:16Z","type":"stable","version":"v0.10.2"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.10.1","date":"2024-05-13T15:40:02Z","type":"stable","version":"v0.10.1"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.10.0","date":"2024-04-11T20:29:56Z","type":"stable","version":"v0.10.0"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.9.1","date":"2024-03-14T15:07:37Z","type":"stable","version":"v0.9.1"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.9.0","date":"2024-02-13T21:29:13Z","type":"stable","version":"v0.9.0"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.8.0","date":"2023-11-13T18:57:49Z","type":"stable","version":"v0.8.0"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.7.5","date":"2023-10-05T21:42:57Z","type":"stable","version":"v0.7.5"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.7.4","date":"2023-07-27T18:09:51Z","type":"stable","version":"v0.7.4"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.7.3","date":"2023-05-25T18:59:45Z","type":"stable","version":"v0.7.3"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.7.2","date":"2023-05-09T17:54:18Z","type":"stable","version":"v0.7.2"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.7.1","date":"2023-02-23T22:28:31Z","type":"stable","version":"v0.7.1"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.7.0","date":"2023-01-20T22:24:40Z","type":"stable","version":"v0.7.0"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.6.0","date":"2022-10-07T17:31:56Z","type":"stable","version":"v0.6.0"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.5.2","date":"2022-08-19T03:12:10Z","type":"stable","version":"v0.5.2"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.5.1","date":"2022-02-25T20:53:38Z","type":"stable","version":"v0.5.1"},{"url":"https://github.com/sdv-dev/CTGAN/releases/tag/v0.5.0","date":"2021-11-18T21:42:32Z","type":"stable","version":"v0.5.0"}]` | - |
| security.scorecard | 4.4 | - |
| security.trust_center | https://github.com/security | https://github.com/security |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=ctgan&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=datasynthesizer&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Synthetic Data)

| Capability | CTGAN | DataSynthesizer |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Generation method | GAN | Statistical/copula |
| Relational integrity | - | - |
| Differential privacy | - | ✓ |
| Privacy risk scoring | - | - |
| Fidelity utility reporting | ✓ | - |
| Masking included | - | - |
| Deployment | Self host | Self host |
| Open source | ✓ | ✓ |
| Ci cd integration | - | - |
| Industry focus | Horizontal | Horizontal |
| SOC2 | - | - |
| HIPAA available | - | - |
| Pricing model | Open source | Open source |

*Source: vioscaleAI. Generated 2026-10-16T18:31:55.212Z. "-" = undocumented, not absent.*