Glean vs Lucidworks Fusion Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

Glean

0.0 (0 reviews)

Glean is an AI-powered enterprise search and knowledge management platform that connects all your company's fragmented data and applications to help you find information and get answers instantly.

Starting at --
Free Trial NO FREE TRIAL
VS

Lucidworks Fusion

0.0 (0 reviews)

Lucidworks Fusion is a cloud-native search and discovery platform that uses machine learning to deliver relevant, personalized search results and predictive insights across your enterprise data and e-commerce applications.

Starting at --
Free Trial NO FREE TRIAL

Quick Comparison

Feature Glean Lucidworks Fusion
Website glean.com lucidworks.com
Pricing Model Custom Custom
Starting Price Custom Pricing Custom Pricing
FREE Trial ✘ No free trial ✘ No free trial
Free Plan ✘ No free plan ✘ No free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas mobile cloud on-premise
Integrations Slack Google Drive Microsoft Teams Jira Salesforce Confluence GitHub Dropbox Notion Zendesk Salesforce Slack Jira Google Drive Box SharePoint ServiceNow Confluence Amazon S3 GitHub
Target Users mid-market enterprise mid-market enterprise
Target Industries retail financial-services manufacturing
Customer Count 0 0
Founded Year 2019 2007
Headquarters Palo Alto, USA San Francisco, USA

Overview

G

Glean

Glean acts as a centralized brain for your company, allowing you to search across every app your team uses—from Google Drive and Slack to Jira and Salesforce. Instead of wasting hours hunting for documents or asking colleagues for links, you can find exactly what you need with a single search bar that understands your company's specific language and relationships.

You can also use its generative AI capabilities to summarize long documents, draft emails based on internal data, and get instant answers to complex questions. It respects all existing permissions, so you only see information you already have access to. It is designed for mid-to-large organizations that need to eliminate digital friction and improve employee productivity by making internal knowledge easily discoverable.

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Lucidworks Fusion

Lucidworks Fusion helps you connect your users to the information they need through an AI-powered search and discovery layer. You can aggregate data from disparate sources—like cloud storage, databases, and collaboration tools—into a single, searchable index. The platform uses machine learning to understand user intent, meaning you can provide highly relevant results that improve over time based on actual behavior and clicks.

Whether you are building a workplace portal to boost employee productivity or an e-commerce site to increase conversion rates, Fusion provides the tools to tune your search experience. You can manage signals, apply natural language processing, and deploy recommendation engines without building a search infrastructure from scratch. It is designed for mid-to-large organizations that handle complex data environments and require scalable, secure search capabilities.

Overview

G

Glean Features

  • Unified Enterprise Search Search across all your company's apps, documents, and conversations from one central interface to find information instantly.
  • Glean Chat Get direct answers to your questions and summarize complex internal documents using secure, company-aware generative AI.
  • Knowledge Management Create and organize 'Glean Cards' to document frequently asked questions and verify important company information for your team.
  • Personalized Feed Stay updated with a custom home screen that suggests relevant documents and trending topics based on your specific role.
  • Permissions Sync Maintain strict data security as the platform automatically mirrors the existing access permissions from all your connected applications.
  • Go Links Create short, memorable custom URLs for your most important company resources so your team can access them faster.
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Lucidworks Fusion Features

  • Predictive Merchandising. Boost your e-commerce revenue by automatically displaying the most relevant products based on real-time user behavior and trends.
  • Smart Answers. Provide instant, accurate answers to natural language questions by using deep learning to search through your unstructured documents.
  • Signal Capture. Improve search relevance automatically by capturing and analyzing user clicks, queries, and purchases to understand what they truly want.
  • Semantic Search. Go beyond simple keywords with vector-based search that understands the context and meaning behind every user query.
  • Pre-built Connectors. Index your data quickly from hundreds of sources like Jira, Slack, and Salesforce using ready-to-use, secure integration modules.
  • Personalization Engine. Deliver unique experiences for every visitor by tailoring search results and recommendations to their specific profile and history.

Pricing Comparison

G

Glean Pricing

L

Lucidworks Fusion Pricing

Pros & Cons

M

Glean

Pros

  • Drastically reduces time spent searching for internal documents
  • Exceptional accuracy in understanding company-specific acronyms and jargon
  • Seamless integration with a massive library of enterprise applications
  • Highly intuitive interface that requires almost no user training

Cons

  • Requires significant initial setup for complex enterprise environments
  • Pricing is generally geared toward larger organizations only
  • Occasional duplicate results when similar files exist across apps
A

Lucidworks Fusion

Pros

  • Exceptional relevance tuning through advanced machine learning signals
  • Highly scalable architecture handles massive enterprise data volumes
  • Flexible deployment options across various cloud environments
  • Powerful integration capabilities with diverse third-party data sources

Cons

  • Significant learning curve for non-technical administrative users
  • Implementation requires dedicated engineering resources for setup
  • Documentation can be complex for advanced custom configurations
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