Visibility index · United States
PR agencies
20 AI answers to 5 prompts name 24 brands. Edelman leads with 15.1% of mentions; the top 3 hold 32.3%.
Level 3n = 20 answers5 promptsupdated Oct 25, 2026AI Mode6ChatGPT5AI Overviews4Gemini5
AI answers
20
5 prompts
Last run Oct 25, 2026
Brands seen
24
Top 3 hold 32.3%
n = 20 answers
Concentration
Fragmented
HHI 628 · leader 15.1%
Leader
Edelman
15.1% of mentions
Avg. position #3.2
Top engine
AI Mode
30% of answers
4 engines sampled
Sources cited
53
Top: clutch.co 22.6%
n = 20 answers
What AI answers show
Brands and sources in the sampled answers
n = 20 answers5 promptsOct 25, 2026
Brands AI recommends
Share of brand mentions in PR agencies answers
- 1Edelmanavg. #3.215.1%14
- 2Highwire PRavg. #6.38.6%8
- 3Weber Shandwickavg. #4.68.6%8
- 4Otter PRavg. #4.06.5%6
- 55W Public Relationsavg. #10.25.4%5
n = 20 answers24 brands seen in total
Market concentrationFragmented
FragmentedModerateConcentrated
HHI 628Leader 15.1%Top 3 32.3%
Fragmented: no brand dominates. The top 3 hold 32.3% of mentions; the leader 15.1%.
Answers behind the ranking
Every engine sampled
- Google AI Mode6
- ChatGPT5
- AI Overviews4
- Gemini5