Glean

Vertical AI copilots · updated Jun 2026 · methodology v2.1

GPT

PPLX

GEM

CLD 3/4 engines cite Glean

/ 100 visibility score

+6 30d

Engine breakdown

ChatGPT #2

Perplexity #3

Gemini #4

Claude Not cited

Score history · 6 months

51 · 54 · 57 · 60 · 62 · 64

Sources the models cite

Glean — official sitefirst-party

Glean reviews on G2reviews

Comparison: Vertical AI copilotseditorial

Glean discussion threadscommunity

What moves the score

Glean is cited by 3 of 4 engines in Vertical AI copilots. The fastest gains here come from independent, third-party sources the models trust — comparison pages, reviews and editorial coverage — rather than owned content alone. Engine coverage and source authority are the two dimensions with the most headroom.

#2 of 6 in Vertical AI copilots

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