ChatGPT sends 81% of AI visits to B2B sites and the lowest share of ideal-customer matches of the five main assistants

ChatGPT sends 81% of the visits B2B websites get from AI assistants. The companies it sends match the site's ideal customer profile 16.3% of the time, the lowest of the five main assistants.

Gemini sends 8% of AI referral visits, Claude 5%, Perplexity 3% and Copilot 2%. Their match rates are between 17.5% and 21.0%, and the differences between those four are too small to rank them. Without ChatGPT, all other assistants together match at 18.9%. Paid search matches at 19.1%.

This comes from Leadfeeder's own platform data on 1,200 B2B websites from 1 April to 12 August 2026. Each visiting company is checked against the ideal customer profile the site owner set.

• DeepSeek, Meta AI, Mistral, Poe, You.com and Grok send 0.3% of AI referral visits between them
• Counting AI and organic search together, AI assistants send 1.8% of B2B sites' search visits. That share has stayed at about 1.8% since mid-2025.

Full study: https://www.leadfeeder.com/resources/studies/ai-referrals-in-b2b/

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