GleanEnterprise AI that understands your company
vs
LlamaIndexTurn any document into agent-ready context.
Comparison · AI Agents · weekly run Nov 3
Glean vs LlamaIndex
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
LlamaIndex is the stronger AI pick in AI Agents: it has a visibility score of 2.2 versus 0.9 for Glean.
Choose Glean if…
- AI answers describe it more positively (56% vs 20% positive)
- You need ISO 42001 or TX-RAMP Level 2 or ISO 27001 coverage
- You prefer a larger, established vendor (501–1,000 employees)
- Enterprise search across many connected apps
Choose LlamaIndex if…
- You want the brand AI engines rank higher (2.2 vs 0.9)
- Premier choice for RAG-centric agents
- Named as a popular agent development framework
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Glean | LlamaIndex |
|---|---|---|
| Visibility score | 0.9% | 2.2% |
| Change vs last week | New | New |
| Rank in AI Agents | #63 | #41 |
| Share of voice | 0.4% | 0.8% |
| Mentions this run | 3 | 5 |
| Positive in AI answers | 56% | 20% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Glean 0pp · LlamaIndex 0pp over 0 weekly runs.
Engine by engine
LlamaIndex leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
GleanLlamaIndex
Head to head in AI answers
0 engine answers name both brands
0Glean ranked higher
0LlamaIndex ranked higher
Features, pricing & fit
| Dimension | Glean | LlamaIndex |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $50 / mo |
| Free plan | — | Yes |
| Deployment | Per-customer search model stored in the customer's VPC | LlamaParse runs as SaaS on a secure cloud tenant, or can be deployed in a customer's private VPC across cloud providers. |
| Integrations | 250+ | — |
| Compliance | ISO 42001, HIPAA, TX-RAMP Level 2, SOC 2 Type II, ISO 27001, GDPR | SOC 2 Type II, GDPR, HIPAA |
| Support | Help Center | Community, Basic (email), Priority (Slack Connect), Dedicated |
| Founded | 2019 | — |
| Headquarters | San Francisco, CA | San Francisco, California, United States |
| Employees | 501–1,000 | 11–50 |
| Funding | Seed or early-stage round (emerged from stealth) · $765M raised | Strategic minority equity investments (Databricks, KPMG) · $28M raised |
| Best for | Large enterprises that want AI answers and agents grounded in their own permission-aware company data | Teams in document-heavy industries such as finance, insurance, healthcare and manufacturing that need accurate parsing of complex tables, charts and scanned pages. |
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
LlamaIndex
- Premier choice for RAG-centric agents
- Named as a popular agent development framework
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Glean vs LlamaIndex”, https://slateindex.ai/compare/glean-vs-llamaindex, data of Nov 3, 2026. Licence: CC BY 4.0.