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Glean Assistant

closed / Overall score: 4.0(strong)

Glean Assistant is an enterprise AI assistant that answers questions, drafts documents and slide decks, and carries out multi-step work grounded in company data. It retrieves across a large set of enterprise connectors while enforcing each user's source-system permissions, and its Model Hub routes requests across open and proprietary LLMs. Sub-agents, skills and actions automate work across connected systems. Glean sells it as a hosted service.

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.

Openness

1 high confidence

1.0

source: closed
license: Proprietary

Glean Assistant is proprietary software sold as a hosted service. Glean publishes no source and no self-hosted open-source edition.

https://www.glean.com/product/assistant recorded 2026-09-29
Product page for a hosted assistant; it offers "Delegate work to an AI coworker that understands your business" and no downloadable or licensed build. Searched the body for self-host, on-prem, open source, open-source and license: none.

Adoption

4 medium confidence

4.0

Glean reports having surpassed $300 million in annual recurring revenue and continues to expand its enterprise deployment footprint, but publishes no seat or user count for the assistant itself. Revenue and deployment breadth of that scale imply enterprise use in the low millions of seats, though confidence stays medium without a direct count.

https://www.glean.com/press/glean-surpasses-300m-arr-unrivaled-enterprise-context-fuels-ai-adoption recorded 2026-09-29
Press release dated May 28, 2026: "Glean today announced it reached $300 million in annual recurring revenue (ARR)"; "Fortune 500 customers nearly doubled year over year"; "85%+ of customers use Glean across 5+ departments".

Capability

4 high confidence

4.0

Glean Assistant combines a multi-model hub, retrieval across hundreds of enterprise connectors, slide, podcast and dashboard output, workflow actions and permissions-aware shared chats.

https://www.glean.com/platform/model-hub recorded 2026-09-29
Model Hub page: "Glean’s Model Hub gives teams 40+ open and proprietary LLMs, with auto routing and controls for access, safety, and spend."
https://www.glean.com/product/assistant recorded 2026-09-29
Assistant product page: "Glean offers more than 250 connectors"; "coordinates sub-agents to work in parallel"; "Automate recurring work with Skills and actions"; "Generate content across formats, from slide decks to podcasts".
https://www.glean.com/security recorded 2026-09-29
Security page: "Enforce source-system permissions on every read and write; an agent should not automatically access everything the user can."

Verified 2026-09-29