Catalog Systems Enterprise-search adjacencies Glean

Glean

https://www.glean.com/

Enterprise search with 100+ connectors. Personalised per-user knowledge graph. No governance layer.

Active · Verified 2026-10-27 · fresh as of 2026-10-27 · 44 cited facts, 3 with a third-party source · Suggest a correction

At a glance

Type
Enterprise search + per-user KG vendor fix
Tier
T1
Section
Enterprise-search adjacencies
Created
2019-01 vendor fix
Latest release
not applicable — not OSS fix
License
not applicable — not OSS fix
GitHub
not applicable — no GitHub repo fix
Pricing
Enterprise only vendor fix
Funding
$765M total $7.2B val Series F · 2025-06 vendor fix
Freshness
2026-10-27 fix
Layer
agent-infra repo fix
Licensing
commercial vendor fix
Deployment locus
cloud vendor fix
Platform vs product
both vendor fix

When to use

Optimised for: enterprise connectors + entitlements + governance + RAG-grounding

Anti-fit: not for SMB / consumer use cases

Pros & cons

Pros

Most polished enterprise AI search product — connectors, governance, ranking, and conversational interface tightly integrated; high enterprise NPS.

Cons

Enterprise pricing; closed product so memory primitives aren't exposed to developers building agents.

Claims & capabilities

$200M ARR (December 2025) — doubled in 9 months; >$1M contract segment nearly tripled; avg employee runs 5 queries/day; 40% wDAU/wMAU (>2x SaaS benchmark); customers consume 20T+ tokens/year (doubled in past quarter). Reference customers include Databricks, Canva, Confluent, Duolingo, T-Mobile, Reddit, Sony Electronics

Technical surface

API surface
REST, SDK: Python, JS/TS
Backend storage
custom
Deployment
Both
Embedding model
locked
Multi-tenancy
Logically isolated single-tenant per customer (data, models, telemetry siloed; no shared vector index); option for fully isolated single-tenant in customer AWS/Azure/GCP
MCP
native (first-party) — Glean MCP server
A2A
no Google A2A (Agent2Agent) integration documented as of 2026-05.
OpenTelemetry
no first-party OpenTelemetry exporter documented; standard logs/metrics typically available.

Compare Glean with…

Alternatives to Glean → live options ranked by shared design, licence, hosting and MCP support

Similar systems

Other enterprise-search adjacencies in the catalog, ranked by inbound references.

  • Clarivate T1

    Bibliographic metadata curation (Web of Science, Derwent, Cortellis). Human editorial governance + journal-deindexing. Memory-adjacent — included as a curated-knowledge baseline.

  • Coveo T1

    RAG-as-a-Service for AWS (Dec 2025) via hosted MCP server grounding Amazon Bedrock agents in enterprise knowledge. Passage retrieval + answer generation + ranked search + fetch in one API.

  • Lucidworks Conversational Q&A AI Agent T1

    Enterprise Q&A agent powered by Luci patent-pending ultra-precise RAG. Embeds on product detail pages; consumes technical PDFs, spec sheets, images, tables, charts, graphs and product manuals. Maintains session history for multi-turn follow-ups; refuses out-of-scope queries via prompt-injection guard.

  • Meilisearch T2

    Semantic + hybrid search GA (2025). Automatic embedding generation + caching via OpenAI / HuggingFace / Ollama. Multi-modal (text + images); hybrid rank fusion; conversational RAG built in.

  • Mindbreeze InSpire T2

    Hybrid keyword + vector retrieval with entitlement-aware filtering. Unified enterprise knowledge graph linking documents, tickets, records. RAG prompt orchestration built in.

  • SearchUnify T1

    Agentic enterprise search with Knowbler — quality checks via the KCS (Knowledge-Centered Service) standard. Most explicit governance features in the segment.

Sources (43 cited facts, 3 third-party)

Each fact links to the page it came from; the badge says who published it (how to read sources).

Related systems

Referenced by (2)

  • Arcade.dev integrates with — Arcade docs have a Glean integration page. (verified 2026-10-29)
  • Langflow integrates with — Langflow components bundle: Glean Search API component. (verified 2026-10-29)