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Mostly AI Pricing 2026

Plans, hidden costs, and alternatives compared

Reviews on G2
3 plans tracked Updated Oct 2026

Cite this data: Toolradar, Mostly AI pricing verified Oct 2026, toolradar.com/tools/mostly-ai/pricing

Mostly AI starts at $3,000/month on the Marketplace plan.

Verified Oct 2026 from the official pricing page.

Is Mostly AI worth the price?

Weak value

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

Contact us

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

How Mostly AI compares

Starting price from each tool's published plans.

ToolStarting priceFree plan
Mostly AI$3,000/month, billing unit not specifiedYes
Re_dataNo public priceNo
XactAnalysis$199.17/month, billing unit not specifiedNo
Select StarNo public priceNo
CastorNo public priceNo
MonnaiNo public priceNo

Mostly AI Pricing FAQ

How much does Mostly AI cost?

Mostly AI starts at $3,000/month on the Marketplace plan. A free plan is also available.

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.

What are alternatives to Mostly AI?

Alternatives to Mostly AI include Re_data, XactAnalysis, Select Star, Castor. XactAnalysis starts at $199.17/month, billing unit not specified.

Mostly AI alternatives

Direct competitors. Starting prices match the table above.

Sources

  • Official Mostly AI pricing: mostly.ai/pricing (verified Oct 2026)
  • Cite this data: Toolradar, Mostly AI pricing verified Oct 2026, toolradar.com/tools/mostly-ai/pricing
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