Brandwave

Amazon DSP vs Quantcast:Which is more popular?

In September 2026, Amazon DSP had more branded searches than Quantcast among digital ad buying platforms worldwide. Amazon DSP had about 27,100 branded searches, while Quantcast had 5,450. Amazon DSP made up 23.7% of all digital ad buying platform searches we track, and Quantcast accounted for 4.8%. When we asked ChatGPT and Google AI Overviews about digital ad buying platforms, Amazon DSP appeared in three of the five answers and Quantcast in none.

Among digital ad buying platforms worldwide in September 2026

Who do people search for more?

Amazon DSP, about 5 searches for every 1 for Quantcast

Amazon DSP 27.1K searchesQuantcast 5.5K searches

Who does AI mention more?

Amazon DSP, mentioned in 3 of 5 answers, Quantcast in 0

Amazon DSP in 3 of 5Quantcast in 0 of 5

Who does AI recommend more?

Amazon DSP, the only one of the two named

Amazon DSP first in 3Quantcast never named

Follow Amazon DSP vs Quantcast and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Top digital ad buying platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Amazon DSP was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Quantcast did not appear in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Display & Video 3601st
  2. The Trade Desk2nd
  3. Amazon DSP3rd
  4. StackAdapt4th
  5. Basis Technologies5th
  6. Quantcast–
  7. AdRoll–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • The Trade Desk5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Display & Video 3604 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Amazon DSP3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • StackAdapt3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Basis Technologies3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Quantcast0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • AdRoll0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about digital ad buying platforms

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Is Amazon DSP or Quantcast more popular in search?

This chart shows how often people search Google for Amazon DSP and Quantcast by name. Each line represents a brand's share of searches for all seven digital ad buying platforms we track, month by month, from English-language searches worldwide.

Amazon DSP and Quantcast among digital ad buying platforms worldwide, by month

Share of searches by month for Amazon DSP, Quantcast. The figures are in the table below the chart.

View monthly share of searches table
MonthThe Trade DeskAmazon DSPStackAdaptQuantcastAdRollBasis TechnologiesDisplay & Video 360
Oct 202538.6%31.3%14.2%5.2%6.3%3.4%1.1%
Nov 202541.4%27.4%15.2%5.5%6.7%2.4%1.3%
Dec 202539.2%31.5%14.3%5.2%6.3%2.3%1.3%
Jan 202645.2%24.4%16.6%4.9%6%1.8%1.1%
Feb 202648.9%21.5%14.6%5.3%6.5%1.9%1.3%
Mar 202650.3%22%14.9%4.4%5.4%1.6%1.3%
Apr 202641.2%26.6%18.1%5.3%5.3%2%1.5%
May 202642.4%26.8%18.3%5.4%4.4%1.6%1.3%
Jun 202642.5%26.8%18.2%5.4%4.4%1.6%1.2%
Jul 202642.1%26.3%17.7%5.3%5.3%1.9%1.4%
Aug 202649.3%21.6%17.9%4.3%4.3%1.5%0.96%
Sep 202644.2%23.7%19.6%4.8%4.7%1.7%1.3%

How has the Amazon DSP and Quantcast comparison changed over the last 12 months?

3 findings

How did search popularity change for digital ad buying platforms worldwide in September 2026?

2 changes
  1. In September 2026, Amazon DSP gained share of searches among digital ad buying platforms worldwide, from 21.6% to 23.7%.

  2. Estimated monthly branded searches for Quantcast worldwide fell 33.3% over 12 measured months, from 8.2K to 5.5K in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Amazon DSP’s and Quantcast’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Amazon DSP

1 branded search term

  • amazondsp

Quantcast

2 branded search terms

  • quantcast
  • quantcast dsp

How the Brand Demand Index is measured

Other head-to-heads among digital ad buying platforms

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.