---
title: "AI assistants market share 2026: Claude 67.8%, ChatGPT 32.2%"
description: "AI assistants market share across 180K+ companies, by company size."
url: https://www.incumbently.com/market-share/ai-assistants
---

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.

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180K+ Company installs in AI assistants

67.8% Claude share

2 Vendors compared

Share

## Share of companies.

[Claude](https://www.incumbently.com/companies-using/claude) 67.8%

[ChatGPT](https://www.incumbently.com/companies-using/chatgpt) 32.2%

| Vendor  | Companies | Share |
| ------- | --------- | ----- |
| Claude  | 120K+     | 67.8% |
| ChatGPT | 60K+      | 32.2% |

How we count

## Every signal behind the numbers.

Agent scanning · 01 / 78 **MX records** Domain names `Microsoft 365 behind Mimecast`Shows adoption

Domain 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.

The vendors

[Companies using Claude**120K+** ](https://www.incumbently.com/companies-using/claude)[Companies using ChatGPT**60K+** ](https://www.incumbently.com/companies-using/chatgpt)

Head to head

[Claude vs ChatGPT](https://www.incumbently.com/compare/claude-vs-chatgpt)

[Market share Every category we track ](https://www.incumbently.com/market-share)Related

Your turn

## Track the AI assistants market.

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