Head to head · 4 tools

ChatGPT vs Glean vs Notion vs Perplexity AI

Starting price

$8/month

Starting price

—

Starting price

$10

Starting price

$20/month

Attribute	ChatGPT	Glean	Notion	Perplexity AI
Category	AI & Automation	Productivity & Collaboration	Productivity & Collaboration	AI Agents & Assistants
Pricing	Free tier	Paid	Free tier	Free tier
Starting price	$8/month	—	$10	$20/month
Free tier	Yes	No	Yes	Yes
Free trial	No	No	Yes	Yes
Deployment	—	—	—	Cloud
API available	Yes	Unknown	Yes	Unknown
Platforms	—	—	—	—
Certifications	—	—	—	—
Integrations	—	6	18	—
Company	Founded 2015	—	Founded 2013	Founded 2022
Feature attributes
Sso Saml	— Unknown	— Unknown	✓ Yes	— Unknown
Rbac	— Unknown	— Unknown	— Unknown	— Unknown
Mobile App	— Unknown	— Unknown	— Unknown	— Unknown
Webhooks	— Unknown	— Unknown	✓ Yes	— Unknown
Data Export	— Unknown	— Unknown	— Unknown	— Unknown
Prebuilt Integrations	— Unknown	— Unknown	— Unknown	— Unknown
Visual Workflow Builder	— Unknown	— Unknown	— Unknown	— Unknown
Code Steps	— Unknown	— Unknown	— Unknown	— Unknown
Llm Access	✓ Yes	— Unknown	— Unknown	— Unknown
Ai Agents	— Unknown	— Unknown	— Unknown	— Unknown
Docs Editor	— Unknown	— Unknown	— Unknown	— Unknown
Real Time Collaboration	— Unknown	— Unknown	✓ Yes	— Unknown
Storage Included	— Unknown	— Unknown	— Unknown	— Unknown
Offline Access	— Unknown	— Unknown	— Unknown	— Unknown
Templates	— Unknown	— Unknown	✓ Yes	— Unknown

Also consider

Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.