Head to head · 4 tools

Claude vs ChatGPT vs Fastmail vs Microsoft 365

Starting price

$20/month

Starting price

$8/month

Starting price

$3/month

Starting price

$6/month

Attribute	Claude	ChatGPT	Fastmail	Microsoft 365
Category	AI Agents & Assistants	AI & Automation	Email & Messaging Marketing	Productivity & Collaboration
Pricing	Free tier	Free tier	Paid	Paid
Starting price	$20/month	$8/month	$3/month	$6/month
Free tier	Yes	Yes	No	Unknown
Free trial	No	No	Yes	Yes (30d)
Deployment	Cloud	—	—	Cloud
API available	Unknown	Yes	Unknown	Yes
Platforms	ios, android, macos	—	—	—
Certifications	—	—	—	—
Integrations	2	—	—	—
Company	—	Founded 2015	Founded 1999	—
Feature attributes
Sso Saml	— Unknown	— Unknown	— Unknown	— Unknown
Rbac	— Unknown	— Unknown	— Unknown	— Unknown
Mobile App	— Unknown	— Unknown	— Unknown	— Unknown
Webhooks	— Unknown	— Unknown	— Unknown	— 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	— Unknown	✓ Yes	— Unknown	— Unknown
Ai Agents	— Unknown	— Unknown	— Unknown	— Unknown
Docs Editor	— Unknown	— Unknown	— Unknown	— Unknown
Real Time Collaboration	— Unknown	— Unknown	— Unknown	— Unknown
Storage Included	— Unknown	— Unknown	— Unknown	— Unknown
Offline Access	— Unknown	— Unknown	— Unknown	— Unknown
Templates	— Unknown	— Unknown	— Unknown	— Unknown

Also consider

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