Market share · Last verified Nov 6, 2026
AI assistants market share Across 180K+ companies.
Across the 180K+ company installs we see in AI assistants, Claude leads with 67.8%, followed by ChatGPT at 32.2%. Shares count companies, not revenue.
180K+Company installs in AI assistants
67.8%Claude share
2Vendors compared
How we count
Every signal behind the numbers.
MX recordsDomain names
Microsoft 365 behind MimecastShows adoptionDomain names 9
Subdomains and tenants 7
Certificates 4
Website and app 12
Hiring 8
People 6
Company news 7
Vendors and partners 7
Public records 6
Code and infrastructure 8
Incumbent events 4
Questions
AI assistants market share, answered.
Claude, with 67.8% of the 180K+ company installs we see in AI assistants. ChatGPT is second at 32.2%.
By the number of companies where we see each tool in use, not by revenue or seats. A company that uses two of these tools counts for both.
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