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BrightEdge study — vendor-published
BrightEdge Blog · Sep 21 ResearchAEO

BrightEdge: ChatGPT names 28% fewer B2B tech brands per answer

What this answers

Are AI answers naming fewer brands for B2B tech searches?
Yes — per BrightEdge, ChatGPT named an average of 3.87 brands per B2B tech answer in September 2026, down from 5.36 in March, a 27.9% drop tracked across a fixed panel of the same non-branded prompts.
Which B2B tech brands gained or lost ground in ChatGPT's answers?
Per BrightEdge, Microsoft, Google and Amazon lost the most citation ground in informational answers between March and September 2026, while IBM gained the most.

ChatGPT named 27.9% fewer B2B tech brands per answer in September 2026 than in March, per BrightEdge — an average of 3.87 brands per response, down from 5.36, tracked across a fixed panel of the same non-branded prompts held constant over six months. The drop was steepest in informational answers (5.15 to 3.50 brands, down 32%), where Microsoft, Google and Amazon lost the most ground and IBM gained the most. Transactional answers moved the opposite way, rising from 2.02 to 3.34 brands per answer — a reversal BrightEdge’s own analysis excludes from its headline finding.

Why it matters: A shorter list of brands per AI answer means each named slot is worth more than it was six months ago — losing a slot now means losing visibility to a smaller field, not just losing share of a stable one.

The record: ChatGPTBrightEdge

Via BrightEdge Blog ↗

Posted to the wire September 21, 2026. Edited by Joe Balewski.