Glean Review 2026

AI-powered enterprise search and knowledge assistant. Connects all company information to provide instant, intelligent answers for employees.

Glean operates as a comprehensive enterprise knowledge platform that uses AI to transform how organizations access and utilize their collective information assets. Unlike traditional enterprise search tools that simply index documents, Glean creates an intelligent knowledge graph that understands relationships between people, projects, documents, and topics across an organization's entire information ecosystem. The platform connects to dozens of enterprise applications including Salesforce, Slack, Confluence, Google Workspace, Microsoft 365, Jira, and specialized industry tools to create a unified search and discovery experience. Glean's AI doesn't just retrieve documents - it understands context, provides personalized results based on user roles and projects, and can synthesize information from multiple sources to answer complex business questions. The platform learns from user behavior and feedback to continuously improve result relevance and can identify subject matter experts within the organization for specific topics. Glean excels in large enterprises where knowledge is scattered across multiple systems and finding the right information or expert can take hours of searching through various platforms. The system provides analytics and insights into how knowledge is being used across the organization, helping identify gaps, redundancies, and opportunities for knowledge management improvement. However, Glean's effectiveness depends heavily on the quality and organization of existing enterprise data, and implementation can be complex in organizations with inconsistent data governance or security policies. The platform also requires significant buy-in across multiple departments to achieve maximum value.