ClayBuild systems to grow revenue
vs
GleanEnterprise AI that understands your company
Comparison · AI Agents · weekly run Nov 3
Clay vs Glean
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Glean is the stronger AI pick in AI Agents: it has a visibility score of 0.9 versus 0.7 for Clay.
Choose Clay if…
- You need CCPA coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
Choose Glean if…
- You want the brand AI engines rank higher (0.9 vs 0.7)
- AI answers describe it more positively (56% vs 33% positive)
- You need ISO 42001 or HIPAA or TX-RAMP Level 2 coverage
- Enterprise search across many connected apps
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Clay | Glean |
|---|---|---|
| Visibility score | 0.7% | 0.9% |
| Change vs last week | New | New |
| Rank in AI Agents | #65 | #63 |
| Share of voice | 0.2% | 0.4% |
| Mentions this run | 1 | 3 |
| Positive in AI answers | 33% | 56% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Clay 0pp · Glean 0pp over 0 weekly runs.
Engine by engine
Glean leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
ClayGlean
Head to head in AI answers
0 engine answers name both brands
0Clay ranked higher
0Glean ranked higher
Features, pricing & fit
| Dimension | Clay | Glean |
|---|---|---|
| Pricing model | Usage-based | — |
| Entry price | Free; paid from $167 / mo | — |
| Free plan | Yes | — |
| Deployment | — | Per-customer search model stored in the customer's VPC |
| Integrations | — | 250+ |
| Compliance | SOC 2 Type II, ISO 27001, GDPR, CCPA | ISO 42001, HIPAA, TX-RAMP Level 2, SOC 2 Type II, ISO 27001, GDPR |
| Support | Priority support queue on Growth plan, Dedicated Slack channel on Enterprise plan, Dedicated growth strategist on Enterprise plan | Help Center |
| Founded | 2017 | 2019 |
| Headquarters | New York City, NY, United States | San Francisco, CA |
| Employees | 1,001–5,000 | 501–1,000 |
| Funding | Series B Expansion | Seed or early-stage round (emerged from stealth) · $765M raised |
| Best for | GTM engineers and revenue teams that build their own prospecting, enrichment and outbound workflows. | Large enterprises that want AI answers and agents grounded in their own permission-aware company data |
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
Glean
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Clay
Profile in progress.
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
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Clay vs Glean”, https://slateindex.ai/compare/clay-vs-glean, data of Nov 3, 2026. Licence: CC BY 4.0.