G2 Vendor Directory

illumin vs. Viant Technology

A side-by-side comparison based on G2 review data.

Metricillumin

by illumin

Viant Technology

by Viant Technology LLC

Overall rating4.34.2
Review count157311
Ease of use8.38.2
Ease of setup8.38.3
Quality of support9.29.1
Meets requirements8.48.4
NPS5038.709677
Small Business60.7%38.9%
Mid-Market30.0%40.8%
Enterprise9.3%20.3%
Total page views1,010537
Total LLM citations2,2943,735

illumin

illumin is evolving the digital advertising landscape by empowering marketers to achieve transformative results through its customer-centric approach. Featuring a unified canvas built around the open web, illumin lets brands and agencies seamlessly plan, build, and execute campaigns across the entire marketing funnel, connecting programmatic channels, email, and social media within a single platform. Headquartered in Toronto, Canada, illumin serves clients across North America, Latin America, and Europe. For more information, visit illumin.com.

Pros

  • Ease of Use
  • Features
  • Team Helpfulness
  • Customer Support
  • Campaign Management
  • Setup Ease

Viant Technology

Viant Technology (NASDAQ: DSP) is an exclusively buy-side, AI-powered advertising platform purpose-built for CTV. Viant uniquely combines proprietary content intelligence, household-level identity resolution, and person-level attention signals to connect advertisers with real customers and drive measurable outcomes across the open internet. Through its award-winning AI solutions, Viant is building the future of autonomous advertising, where AI doesn't just assist the campaign, it delivers real results. Learn more at viantinc.com.

Pros

  • Ease of Use
  • Customer Support
  • Team Helpfulness
  • Easy Setup
  • Setup Ease
  • Campaign Management