System1

System1 is The Creative Effectiveness Platform that quickly harnesses the power of emotion to drive profitable growth for the world’s leading brands.

Feb. 20, 2026

If Your Creative Isn't Driving Impact, Your Relationships Might be the Problem

New D&AD and System1 research reveals the strongest creative work is built on trust, not bigger budgets

Feb. 18, 2026

From Piste to Podium: The Ads Taking Home Effectiveness Gold at the 2026 Winter Olympics

System1's test your ad competitive edge platform ranks the standout winter olympics campaigns

Feb. 10, 2026

AI Killed Big Game Ad Effectiveness: Human-Centric Stories Won the Night

Consumers favoured heartfelt, human ads despite AI-heavy big game messaging

Feb. 06, 2026

Early Testing Shows 2026 Could Be the Strongest Big Game Ad Year Yet, with the NFL, Budweiser, and Ring in the Lead

System1's Test Your Ad Competitive Edge platform ranks the top early-release ads

Jan. 27, 2026

System1 and Effie Launch The Creative Dividend: A Practical Guide to Making Effectiveness Happen in Advertising Today

New book helps marketers improve ad quality, defend investment, and unlock profit

Jan. 13, 2026

The Best Ads from American Football's Big Game in the 2020s, According to System1

The test predicts long-term brand growth and short-term sales impact by measuring viewers’ emotions and how quickly and accurately they recognize the brand

Jan. 06, 2026

System1 Reveals the 10 Brands that Cut Through in 2025

While System1's Star Rating is widely used to predict long-term brand-building potential, this ranking focuses on a different win: memorable impact within the category

Dec. 17, 2025

System1 Reveals Australia’s Top Ten ads of 2025

The 2025 ranking is based on scores from System1’s Test Your Ad platform, which maps emotional responses to an advert to predict its commercial impact

Dec. 15, 2025

Intermarche's "Unloved Wolf" Delivers Most Effective French Advert Ever

Christmas ad earns an exceptional 5.0 Stars with System1, making it the highest-scoring French creative ever

Dec. 09, 2025

Kevin the Carrot Christmas Trilogy Exceeds 5 Stars for the 6th Year in a Row

UK's favourite carrot celebrates 10th year with exceptional overall score

Dec. 02, 2025

Cartier ad Outshines Luxury Brands with Iconic Panther

New social creative scores an exceptional 5.2 Stars with System1, well above luxury goods average of 2.1

Nov. 11, 2025

System1: Consistency is Cracking Christmas

Each year, System1 tests every Christmas ad through its Test Your Ad platform, capturing real consumer emotional responses to predict commercial impact

Latest News

Sep. 29, 2026

Peloton Debuts the Peloton Tread Flex Alongside Miley in "Let Yourself Run" Creative Campaign

As the next chapter of Peloton's "Let Yourself Go" brand platform, "Let Yourself Run" evolves the narrative by redefining the running experience

Sep. 29, 2026

NFL Shop and Yard NYC Inspire Game-Day Style with "Fan Like A Pro"

In “Fan Like A Pro,” NFL fandom becomes a style statement—where personal expression and team pride go hand in hand