Mostly AI
Data Engineering · Free + paid
Enterprise synthetic data generation platform
At a glance
- Made by
- MOSTLY AI (powered by Syntho)
- Korean
- None (English and a few others only)
- Open source
- Apache v2 (Synthetic Data SDK)
What is Mostly AI?
The MOSTLY AI data intelligence platform lets you securely access operational data, create high-quality synthetic data with privacy protection, and analyze and share data across teams. It handles real data analysis, mock data, synthetic data, and simulation data. It includes an AI assistant that analyzes data by generating Python code from natural language. The open-source Synthetic Data SDK can generate synthetic data with differential privacy in a local Python environment.
- Generating high-quality, privacy-protected synthetic data
- Generating mock data for testing and prototyping
- Edge-case and what-if simulation data
- AI feature that analyzes data by generating Python code from natural language
- Kubernetes and OpenShift deployment
- Synthetic Data SDK with built-in differential privacy (TabularARGN)
- Sharing and collaborating on assets across teams
Who uses Mostly AI and for what
- Using synthetic data in test environments where production data can't be used
- Expanding access to customer data through synthetic data
- Sharing data securely with partners in a clean room
Pricing
Open source + paid cloud-managed plans
Open-source self-hosting is free, managed cloud services are priced by usage
Estimate based on AI knowledge - please verify on the official site
AI tools similar to Mostly AI (alternatives)
Mostly AI vs. alternatives at a glance
| AI | Pricing | Combos on the map | Connected tools | Free | Cheapest monthly | Korean |
|---|---|---|---|---|---|---|
| Mostly AI | Free + paid | 0 | 3 | — | — | No |
| SDV | Free | 0 | 3 | Yes | $250/mo | No |
| YData | Free | 0 | 3 | — | — | No |
1 of these 3 tools have a free plan. Cheapest paid plan: SDV ($250/mo).
Combo and connection counts are based on the relationships recorded on AI Galaxy Map (2026-10-26); they are not a quality ranking.
Mostly AI on AI Galaxy Map
- One of 24 AI tools in the Data Engineering field.
- Connected to 3 other tools — #18 in its field.
Frequently asked questions
Can I use Mostly AI for free?
Open source + paid cloud-managed plans. Prices can change, so check the official site before paying.
What AI can I use instead of Mostly AI?
Tools that do the same job, such as SDV, YData, Gretel AI, are connected to it on the map.
Can I use Mostly AI in Korean?
None (English and a few others only)
Sources (official pages)
Checked on the official pages on 2026-10-14. Prices and features can change, so check the official site again before paying.