ClayBuild systems to grow revenue
vs
MastraTypeScript AI Framework for Agents and Apps
Comparison · AI Agents · weekly run Nov 3
Clay vs Mastra
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Mastra is the stronger AI pick in AI Agents: it has a visibility score of 1.2 versus 0.7 for Clay.
Choose Clay if…
- You want a lower entry price ($167 vs $250)
- You need SOC 2 Type II or ISO 27001 or GDPR or CCPA coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
- Usage-based pricing suits your budget better than flat tiers
Choose Mastra if…
- You want the brand AI engines rank higher (1.2 vs 0.7)
- AI answers describe it more positively (100% vs 33% positive)
- Flat tiers pricing suits your budget better than usage-based
- Type-safe, production-grade application code
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Clay | Mastra |
|---|---|---|
| Visibility score | 0.7% | 1.2% |
| Change vs last week | New | New |
| Rank in AI Agents | #65 | #56 |
| Share of voice | 0.2% | 0.5% |
| Mentions this run | 1 | 3 |
| Positive in AI answers | 33% | 100% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Clay 0pp · Mastra 0pp over 0 weekly runs.
Engine by engine
Mastra leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
ClayMastra
Head to head in AI answers
0 engine answers name both brands
0Clay ranked higher
0Mastra ranked higher
Features, pricing & fit
| Dimension | Clay | Mastra |
|---|---|---|
| Pricing model | Usage-based | Flat tiers |
| Entry price | Free; paid from $167 / mo | Free; paid from $250 / mo |
| Free plan | Yes | Yes |
| Deployment | — | Self-hosted on any Node.js-compatible environment, or hosted on Mastra Cloud and Mastra Platform. |
| Compliance | SOC 2 Type II, ISO 27001, GDPR, CCPA | — |
| Support | Priority support queue on Growth plan, Dedicated Slack channel on Enterprise plan, Dedicated growth strategist on Enterprise plan | Shared Slack support channel (Enterprise), Dedicated support engineer (Enterprise), SLA support 8-5 Monday-Friday, 8am-6pm PST |
| Founded | 2017 | 2024 |
| Headquarters | New York City, NY, United States | San Francisco |
| Employees | 1,001–5,000 | 11–50 |
| Funding | Series B Expansion | Series A · $35M raised |
| Best for | GTM engineers and revenue teams that build their own prospecting, enrichment and outbound workflows. | Developers and teams building AI agents in TypeScript and JavaScript |
Plans side by side
Clay
Free$0month
Launch$167month (starting price as shown; monthly from $185 per FAQ)
Growth$446month (starting price as shown; monthly from $495 per FAQ)
EnterpriseCustomcustom, annual commitment
Pros and cons
Themes from the AI answers that mention each brand
Clay
Profile in progress.
Mastra
- Type-safe, production-grade application code
- Suited to serious production systems
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Clay vs Mastra”, https://slateindex.ai/compare/clay-vs-mastra, data of Nov 3, 2026. Licence: CC BY 4.0.