# CTGAN vs REaLTabFormer

| Attribute | CTGAN | REaLTabFormer |
|---|---|---|
| **Vioscale score** | 37.9 (39% (low)) | 39.2 (22% (low)) |
| activity.commits_last_30d | 3 | 0 |
| adoption.dependent_repos | 29 | - |
| adoption.github_stars | 1,562 | 243 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | 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. | REaLTabFormer provides an automated tool for synthesizing realistic tabular and relational data using sequence-to-sequence and GPT-2 transformer models. It includes built-in quality monitoring with optimal stopping criteria based on synthetic-to-real data distribution comparison. |
| features.capabilities | `{"deployment":"self_host","open_source":true,"industry_focus":"horizontal","generation_method":"GAN","fidelity_utility_reporting":true}` | `{"deployment":"self_host","open_source":true,"pricing_model":"open_source","industry_focus":"other-regulated","generation_method":"LLM/transformer","relational_integrity":true,"fidelity_utility_reporting":true}` |
| integrations.count | 2 | - |
| integrations.list | `[{"name":"SDV ecosystem"},{"name":"Python packages"}]` | - |
| language.primary | Python | Jupyter Notebook |
| license.spdx | - | MIT |
| platform.support | `{"cli":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-21T11:03:52.074Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-21T11:02:17.497Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| release.cadence_days | 70 | 110 |
| 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"}]` | `[{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.2.4","date":"2026-01-04T08:38:37Z","type":"stable","version":"v0.2.4"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.2.3","date":"2025-07-14T16:39:46Z","type":"stable","version":"v0.2.3"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.2.2","date":"2024-12-13T22:59:21Z","type":"stable","version":"v0.2.2"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.2.1","date":"2024-10-18T06:57:54Z","type":"stable","version":"v0.2.1"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.2.0","date":"2024-08-17T15:06:24Z","type":"stable","version":"v0.2.0"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.1.7","date":"2024-04-28T18:00:47Z","type":"stable","version":"v0.1.7"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.1.6","date":"2024-04-24T18:19:58Z","type":"stable","version":"v0.1.6"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.1.5","date":"2023-11-20T03:19:59Z","type":"stable","version":"v0.1.5"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.1.4","date":"2023-11-09T02:38:50Z","type":"stable","version":"v0.1.4"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.1.3","date":"2023-06-28T17:44:33Z","type":"stable","version":"v0.1.3"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.1.2","date":"2023-06-07T20:10:40Z","type":"stable","version":"v0.1.2"},{"url":"https://github.com/worldbank/REaLTabFormer/releases/tag/v0.1.1","date":"2023-02-07T02:30:05Z","type":"stable","version":"v0.1.1"}]` |
| security.scorecard | 4.5 | - |
| 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}` | - |

## Capabilities (Synthetic Data)

| Capability | CTGAN | REaLTabFormer |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Generation method | GAN | LLM/transformer |
| 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 | Other regulated |
| SOC2 | - | - |
| HIPAA available | - | - |
| Pricing model | - | Open source |

*Source: Vioscale. Generated 2026-09-01T15:10:09.278Z. "-" = undocumented, not absent.*