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Head-to-head · Demand Side Platform

Amazon Marketing Cloud vs Viant DSP

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Amazon Marketing Cloud #7 in Demand Side Platform 7.9/10 Free plan Free plan✓ 0 of 1 features Visit Amazon Ads
Viant DSP #8 in Demand Side Platform 7.9/10 Pricing on request ✓ 0 of 1 features Visit Viant

Amazon Marketing Cloud leads on 1 check, Viant DSP on 0, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Free planonly Amazon Marketing Cloud

Amazon Marketing Cloud and Viant DSP score identically on our rubric (7.9 out of 10) for demand side platform; Amazon Marketing Cloud sits at #7 and Viant DSP at #8 in our editorial ranking, so the choice comes down to fit.

Amazon Marketing Cloud offers free plan; Viant DSP doesn't.

Amazon Marketing Cloud is the better fit for analysts building privacy-preserving Amazon audiences. Viant DSP is the better fit for enterprise teams focused on cross-channel measurement.

  • Amazon Marketing Cloud fits best

    Analysts building privacy-preserving Amazon audiences

  • Viant DSP fits best

    Enterprise teams focused on cross-channel measurement

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Amazon Marketing Cloud 7.9/10 Visit ↗ Viant DSP 7.9/10 Visit ↗
At a glance
Editor score 7.9 7.9
Ranking #7 in Demand Side Platform #8 in Demand Side Platform
Best for Analysts building privacy-preserving Amazon audiences Enterprise teams focused on cross-channel measurement
Pricing model Free Paid
Starting price Free plan Pricing on request
Free plan ✓ (best) —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Amazon Marketing Cloud 0/1 · Viant DSP 0/1
Attribution reporting Not checked yet Not checked yet
Specs
Buying model Not checked yet Not checked yet
Ad channels Not checked yet Not checked yet
Inventory access Not checked yet Not checked yet
Targeting options Not checked yet Not checked yet
Supported regions Not checked yet Not checked yet
Our review
Pros
  • Creates and activates custom audiences through Amazon advertising channels
  • Measures campaigns and customer journeys across selected data sources
  • Offers SQL analysis, reporting APIs and audience management APIs
  • Plans and buys across CTV, mobile, audio, desktop, and other formats
  • Connects first-party audience activation with household identity resolution
  • Measures online and offline conversions with attribution reporting
Cons
  • Audience activation is focused on Amazon advertising channels
  • Inputs must be pseudonymized and outputs are aggregated and anonymous
  • Support channels are limited to documentation
  • Pricing is tailored to client needs rather than published by plan
  • Requires a sales conversation to establish pricing
  • Its broad feature set may exceed the needs of single-channel buyers
Our verdict

Amazon Marketing Cloud is a cloud-based data clean room for advertisers who need to analyze Amazon Ads signals alongside advertiser-provided inputs and selected third-party signals. It is particularly relevant to analysts building…

Read the review →

Viant DSP brings programmatic campaign planning, buying, and measurement into one platform for brands, agencies, and media buyers. Its channel coverage includes connected TV, digital out-of-home, mobile, audio, desktop, and in-game…

Read the review →
  1. Amazon Marketing CloudDemand Side Platform 7.9Free plan
  2. Viant DSPDemand Side Platform 7.9Pricing on request

Strengths and trade-offs

  • Amazon Marketing Cloud — where it wins

    • Creates and activates custom audiences through Amazon advertising channels
    • Measures campaigns and customer journeys across selected data sources
    • Offers SQL analysis, reporting APIs and audience management APIs

    Where it doesn't

    • Audience activation is focused on Amazon advertising channels
    • Inputs must be pseudonymized and outputs are aggregated and anonymous
    • Support channels are limited to documentation
  • Viant DSP — where it wins

    • Plans and buys across CTV, mobile, audio, desktop, and other formats
    • Connects first-party audience activation with household identity resolution
    • Measures online and offline conversions with attribution reporting

    Where it doesn't

    • Pricing is tailored to client needs rather than published by plan
    • Requires a sales conversation to establish pricing
    • Its broad feature set may exceed the needs of single-channel buyers
  • Amazon Marketing Cloud7.9/10 · Free plan

    Free audience and measurement analytics for eligible advertisers, not a primary media-buying DSP.

    Visit Amazon AdsFull verdict →
  • Viant DSP7.9/10 · Pricing on request

    A cross-channel DSP combining campaign buying, audience activation, and attribution.

    Visit ViantFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update