Mostly AI Pricing 2026

Plans, hidden costs, and cheaper alternatives compared

Is Mostly AI worth the price?

45/10

The pricing for Mostly AI is quite expensive, with the Marketplace tier starting at $3,000 per month, which is a significant investment for synthetic data.

The Free tier is very limited, offering only 2 credits per day. This pricing structure is best suited for large enterprises with substantial budgets and a critical need for advanced synthetic data generation.

Pricing Plans

Free

Free forever

1 active chat
2 credits per day (max. 25 per month)
SaaS Platform Usage
Email Support

Marketplace

$3,000/month

1 Platform Installation
Unlimited usage
Cloud Marketplace Platform Usage
Dedicated Support
API & Python SDK
SLAs
User Groups
SSO*

Enterprise

Custom number of Platform Installations
Unlimited usage
Custom Deployment Platform Usage
Dedicated Support
API & Python SDK
SLAs
User Groups
SSO*

Calculate your cost View full pricing

Hidden Costs & Gotchas

SSO* implies potential extra cost for SSO.

Enterprise tier requires custom negotiation.

Limited credits on Free tier can quickly run out.

Which Plan Do You Need?

Large enterprises needing synthetic data

Organizations with high data privacy needs

Teams requiring dedicated support and SLAs

How Mostly AI Compares to Competitors

Compared to open-source synthetic data libraries like SDV or commercial offerings like Gretel.ai (which has more granular, usage-based pricing starting much lower), Mostly AI's $3,000/month Marketplace tier is significantly higher. This positions Mostly AI as a premium, enterprise-focused solution rather than an accessible tool for smaller businesses or individual developers.

Mostly AI Pricing FAQ

How much does Mostly AI cost?

Mostly AI starts at $3000/month on the Marketplace plan. A free plan is also available with limited features.

Does Mostly AI have a free plan?

Yes. Mostly AI offers a free plan called "Free". It includes: 1 active chat, 2 credits per day (max. 25 per month), SaaS Platform Usage.

Is there a cheaper alternative to Mostly AI?

Yes. Popular alternatives to Mostly AI include Re_data, XactAnalysis, Select Star, Castor. Free alternatives include Re_data. Compare them side-by-side on Toolradar.