GleanEnterprise AI that understands your company
vs
MastraTypeScript AI Framework for Agents and Apps
Comparison · AI Agents · weekly run Nov 3
Glean 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 0.9 for Glean.
Choose Glean if…
- You need ISO 42001 or HIPAA or TX-RAMP Level 2 or SOC 2 Type II or ISO 27001 or GDPR coverage
- You prefer a larger, established vendor (501–1,000 employees)
- Enterprise search across many connected apps
- Seen as a market leader in enterprise search
Choose Mastra if…
- You want the brand AI engines rank higher (1.2 vs 0.9)
- AI answers describe it more positively (100% vs 56% positive)
- Type-safe, production-grade application code
- Suited to serious production systems
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Glean | Mastra |
|---|---|---|
| Visibility score | 0.9% | 1.2% |
| Change vs last week | New | New |
| Rank in AI Agents | #63 | #56 |
| Share of voice | 0.4% | 0.5% |
| Mentions this run | 3 | 3 |
| Positive in AI answers | 56% | 100% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Glean 0pp · Mastra 0pp over 0 weekly runs.
Engine by engine
Mastra leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
GleanMastra
Head to head in AI answers
0 engine answers name both brands
0Glean ranked higher
0Mastra ranked higher
Features, pricing & fit
| Dimension | Glean | Mastra |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | Free; paid from $250 / mo |
| Free plan | — | Yes |
| Deployment | Per-customer search model stored in the customer's VPC | Self-hosted on any Node.js-compatible environment, or hosted on Mastra Cloud and Mastra Platform. |
| Integrations | 250+ | — |
| Compliance | ISO 42001, HIPAA, TX-RAMP Level 2, SOC 2 Type II, ISO 27001, GDPR | — |
| Support | Help Center | Shared Slack support channel (Enterprise), Dedicated support engineer (Enterprise), SLA support 8-5 Monday-Friday, 8am-6pm PST |
| Founded | 2019 | 2024 |
| Headquarters | San Francisco, CA | San Francisco |
| Employees | 501–1,000 | 11–50 |
| Funding | Seed or early-stage round (emerged from stealth) · $765M raised | Series A · $35M raised |
| Best for | Large enterprises that want AI answers and agents grounded in their own permission-aware company data | Developers and teams building AI agents in TypeScript and JavaScript |
Plans side by side
Glean
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Glean
- Enterprise search across many connected apps
- Seen as a market leader in enterprise search
- Finds answers and internal experts quickly
- Recommended for enterprise-wide knowledge search
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, “Glean vs Mastra”, https://slateindex.ai/compare/glean-vs-mastra, data of Nov 3, 2026. Licence: CC BY 4.0.