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Glean Assistant

Glean
closed / Overall score: 4.0(strong)

Enterprise assistant that grounds answers, drafts, slides and task execution in company context, retrieving over the Glean Enterprise Graph across enterprise connectors and respecting each user's permissions. A model hub routes across several frontier LLMs, and sub-agents and skills carry out multi-step work. It runs as single-tenant SaaS.

Agentic skills touch orchestration_agents, but the product is a human-driven assistant grounded in company data, so it stays in ui_api under the category litmus. Verified 2026-08-13 via the Glean Assistant product page.

Openness

1 high confidence
1.0
client
proprietary
deployment
single-tenant SaaS
source
closed
license
Proprietary

Glean Assistant is a proprietary enterprise SaaS, no public source, no open-core/self-host OSS tier. Closed.

Adoption

4 medium confidence
4.0

Glean announced in May 2026 that it had surpassed $300M in annual recurring revenue, 15 months after $100M; it has nearly doubled its Fortune 500 customer count year on year, says 85%+ of customers use it across five or more departments, reports a 45% weekly-active to weekly-monthly engagement ratio, and operates in 28 countries. Revenue and enterprise-seat scale of that size imply low millions of seats. No raw seat or user count is disclosed, so the level rests on reported enterprise traction - revenue and deployment breadth rather than a measured user count - and confidence is medium.

Capability

4 high confidence
4.0

Among the most feature-complete enterprise assistant interfaces: a multi-model hub, deep enterprise RAG, multimodal output, actions, and permissions-aware multi-user support. Top-tier for enterprise use in this category, scored 4 with 5 held for an unambiguous category frontier-definer. The connector count has grown past 250, alongside an AI Gateway, agent building and orchestration, governance and a reusable agent library.

Verified 2026-08-13