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Glean vs. Grammarly

A practical comparison of Glean and Grammarly across pricing, GDPR, EU AI Act risk, and workflow fit.

glean

Glean

Enterprise search with AI assistant across your tools

DSGVO: conformEU-AI-Act: limitedPricing unknown

grammarly

Grammarly

AI writing assistant for style, grammar, and tone

DSGVO: conformEU-AI-Act: minimalFree tier

Side-by-side comparison

FactorGleanGrammarly
PricingPricing unknownFree tier
GDPRconformconform
EU AI Actlimitedminimal
Data residencyeuus
Use casesText, Multimodal, Research & analyze, Summarize & structureText, Create content, Summarize & structure, Translate & localize
Data quality
Updated6/15/20266/15/2026

Choose Glean when

Indexes Slack, Drive, Notion, Confluence, Salesforce, ... — answers questions with sources from internal knowledge.

Choose Grammarly when

Classic for English text; now with Generative AI (GrammarlyGO) for drafts, rewrites, tone adjustments. Browser plugin + desktop.

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