Best AI Synthetic Data Generators in 2026
Updated
In short: MOSTLY AI is ranked #1 of 24 as of 4 October 2026, ahead of Tonic Fabricate and Synthetic Data Vault. The best-ranked option with a free plan is Tonic Fabricate. The lowest first paid tier on this page is Tonic Fabricate at $29/mo.
Synthetic data generators create artificial datasets for development, analysis, or other data-dependent work. Compare support for relational, time-series, and unstructured data with the formats you need, and consider maximum rows per job when assessing scale. Privacy-risk metrics and deployment options are also useful distinctions when weighing tools against your environment and data requirements. Free-plan availability and paid-from pricing help frame access and cost. Among the entries are NVIDIA ShadowPlay, REaLTabFormer, and Synthehol Dataset, alongside Tonic Fabricate and MOSTLY AI. Looking across the listed capabilities can help you identify which tools align with the kinds of data you work with and how you need to handle it.
24 AI synthetic data generators ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 MOSTLY AI No phone app RecognisedPhone appDocumentedFree plan 8.1Free Deployment: hybridRelational data: Yes
- 2 Tonic Fabricate No phone app RecognisedPhone appDocumentedFree plan 8.1$29/mo Deployment: hybridRelational data: Yes
- 3 Synthetic Data Vault No phone app RecognisedPhone appDocumentedFree plan 7.8$250/mo Relational data: Yes
- 4 Synthesized No phone app RecognisedPhone appDocumentedFree plan 7.4 Deployment: hybridRelational data: Yes
- 5 Synth Studio No phone app RecognisedPhone appDocumentedFree plan 7.4Free Deployment: hybrid
- 6 SynthCity No phone app RecognisedPhone appDocumentedFree plan 7.3Free Deployment: self_hosted
- 7 Syntho No phone app RecognisedPhone appDocumentedFree plan 6.6 Deployment: self_hosted
- 8 SimpleTest No phone app RecognisedPhone appDocumentedFree plan 6.6$750/mo Deployment: on_premRelational data: Yes
- 9 GenRocket No phone app RecognisedPhone appDocumentedFree plan 6.5 Deployment: hybridRelational data: Yes
- 10 REaLTabFormer No phone app RecognisedPhone appDocumentedFree plan 6.5Free Deployment: self_hostedRelational data: Yes
- 11 FakerForge No phone app RecognisedPhone appDocumentedFree plan 6.4
- 12 Betterdata No phone app RecognisedPhone appDocumentedFree plan 6.4 Deployment: hybrid
- 13 DataSynthesizer No phone app RecognisedPhone appDocumentedFree plan 6.4Free Deployment: self_hostedRelational data: No
- 14 Rendered.ai No phone app RecognisedPhone appDocumentedFree plan 6.2$5,000/mo Deployment: hybrid
- 15 NVIDIA Omniverse No phone app RecognisedPhone appDocumentedFree plan 6.1 Deployment: hybrid
- 16 Synthehol Dataset No phone app RecognisedPhone appDocumentedFree plan 6.1$332.50/mo
- 17 Anyverse No phone app RecognisedPhone appDocumentedFree plan 6.0 Deployment: cloud
- 18 Parallel Domain No phone app RecognisedPhone appDocumentedFree plan 5.8
- 19 Tabularis.AI No phone app RecognisedPhone appDocumentedFree plan 5.5 Deployment: hybrid
- 20 SynthEngyne No phone app RecognisedPhone appDocumentedFree plan 5.5
- 21 PluRel No phone app RecognisedPhone appDocumentedFree plan 5.5 Relational data: YesTime-series data: Yes
- 22 Syntellix No phone app RecognisedPhone appDocumentedFree plan 5.4
- 23 twinify No phone app RecognisedPhone appDocumentedFree plan 5.0 Deployment: self_hosted
- 24 Synthetic AI Data No phone app RecognisedPhone appDocumentedFree plan 4.8 Deployment: hybrid
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI synthetic data generator is ranked first on Samsung Mobile US Press?
MOSTLY AI is ranked #1 of 24 with a score of 8.1. Tonic Fabricate is second and Synthetic Data Vault third.
How many of these have a free plan?
9 of the 24 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Tonic Fabricate has the lowest first paid tier we found: $29/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.