Real ChatGPT answer · index seed9qtWlrTlQbocompleteMarketing and advertising · marketing agenciesinformational

What formula do agency media buyers use to determine the optimal Google Ads budget split between brand and non-brand search terms?

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What formula do agency media buyers use to determine the optimal Google Ads budget split between brand and non-brand search terms?
2 real searches · 1 real-search pass
Google Ads brand nonbrand search budget allocation incrementality marginal ROAS brand cannibalization agency methodologyGoogle ↗
OBSERVEDReason
Google Ads brand search incrementality experiment holdout brand campaigns nonbrand budget allocationGoogle ↗
OBSERVEDYes / no

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (2)
Short factOther / navigationalComparisonConsequenceReason50%DefinitionInstructionYes / no50%

Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
Google Ads brand nonbrand search budget allocation incrementality marginal ROAS brand cannibalization agency methodology Google ↗
Google Ads brand search incrementality experiment holdout brand campaigns nonbrand budget allocation Google ↗
  1. Set up Conversion Lift based on users · support.google.com
  2. Google Search Geo Test · static1.squarespace.com
  3. <visual_element id="e1"> · info.measured.com
  4. Optimize for marginal ROI instead of average ROI · support.google.com
  5. copy of Marketing Mix Modeling Guidebook · thinkwithgoogle.com
  6. TwG_CMO_CFO_Media_Effectiveness_Guide · thinkwithgoogle.com
  7. Set up Conversion Lift based on users · support.google.com

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Google Ads brand nonbrand search budget allocation incrementality marginal ROAS brand cannibalization agency methodology
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
Google Ads brand search incrementality experiment holdout brand campaigns nonbrand budget allocation
OBSERVED
Google ↗
AI Mode ↗
—Yes / no——1x
of 1