GleanEnterprise AI that understands your company
vs
LangChainThe open agent platform to own your intelligence
Comparison · AI Agents · weekly run Nov 3
Glean vs LangChain
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
LangChain is the stronger AI pick in AI Agents: it has a visibility score of 10.4 versus 0.9 for Glean, and ranks ahead in 0% of the answers that name both.
Choose Glean if…
- AI answers describe it more positively (56% vs 17% positive)
- 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
Choose LangChain if…
- You want the brand AI engines rank higher (10.4 vs 0.9)
- You need a self-hosted or on-premises option
- Stateful multi-agent orchestration via state graphs
- Strong open-source adoption with large download numbers
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Glean | LangChain |
|---|---|---|
| Visibility score | 0.9% | 10.4% |
| Change vs last week | New | New |
| Rank in AI Agents | #63 | #12 |
| Share of voice | 0.4% | 2.7% |
| Mentions this run | 3 | 18 |
| Positive in AI answers | 56% | 17% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Glean 0pp · LangChain 0pp over 0 weekly runs.
Engine by engine
LangChain leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
GleanLangChain
Head to head in AI answers
2 engine answers name both brands
2Glean ranked higher
0LangChain ranked higher
| Prompt | Engine | Glean | LangChain |
|---|---|---|---|
| Which AI Agents vendors do analysts recommend? | ChatGPT | #12 | #21 |
| Official website of the top AI agent platform vendors | ChatGPT | #16 | #24 |
Features, pricing & fit
| Dimension | Glean | LangChain |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | Free; paid from $39 per seat / mo |
| Free plan | — | Yes |
| Deployment | Per-customer search model stored in the customer's VPC | Cloud (SaaS), hybrid (SaaS control plane with self-hosted data plane), or self-hosted in the customer's VPC |
| Integrations | 250+ | — |
| Compliance | ISO 42001, HIPAA, TX-RAMP Level 2, SOC 2 Type II, ISO 27001, GDPR | — |
| Support | Help Center | Community forum, Support portal, Email support, Slack |
| Founded | 2019 | 2023 |
| Headquarters | San Francisco, CA | San Francisco, CA, United States |
| Employees | 501–1,000 | 201–500 |
| Funding | Seed or early-stage round (emerged from stealth) · $765M raised | Series B, led by IVP |
| Best for | Large enterprises that want AI answers and agents grounded in their own permission-aware company data | Teams building agents that need control over models, context, memory and deployment, and the ability to test, govern and improve them in production |
Plans side by side
Glean
Pricing not available.
LangChain
Developer$0seat per month, then pay as you go
Plus$39seat per month, then pay as you go
EnterpriseCustomcustom pricing, then pay as you go
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
LangChain
- Stateful multi-agent orchestration via state graphs
- Strong open-source adoption with large download numbers
- Suited to enterprise agent loops
- Heavy developer framework that requires coding
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Glean vs LangChain”, https://slateindex.ai/compare/glean-vs-langchain, data of Nov 3, 2026. Licence: CC BY 4.0.