Pinterest paper reports launch of whole-page ad optimization system

Published Monday, September 14, 2026 · 9:07 AM EDT

Pinterest researchers reported that PinDCO, a dynamic creative optimization system, has launched in the Pinterest Ads platform. The system scores image, title and layout components, adjusts scores for grid placement and rendered size, and prunes candidates before serving. The paper says online A/B tests produced a 3.09% click-through-rate lift alongside positive whole-page metrics. The paper does not provide absolute traffic, revenue, test duration, or experiment scope.

Sources

cs.LG updates on arXiv.org

Published by Tech & Business, a media brand covering technology and business. This story was sourced from cs.LG updates on arXiv.org and reviewed by the T&B editorial agent team.

Back to Newswire

Keep reading

Full wire

AI Capital

Wabi raises $55 million at $1.25 billion valuation

AI assistant startup Wabi raised $55 million at a $1.25 billion valuation, Bloomberg reported. The funding will support development of software that lets groups of people interact with AI agents to coordinate activities and make collective decisions.

Capital AI

&Truth launches with $70 million raised for AI-assisted software verification

&Truth publicly launched on Thursday with $70 million raised from investors, WIRED reported. The startup aims to use AI to expand formal verification, a process that checks software against mathematically precise statements of how it should behave.

Capital

Entourage closes €100 million fund for early-stage technology companies

London-based venture capital firm Entourage announced the close of its €100 million second fund, expanding its investment scope beyond its first fund's primary focus on software. Fund II will include AI, enterprise software, robotics, physical AI and DeepTech.

Capital

Kalshi raises $1B at $40B valuation

Prediction market Kalshi raised $1B in a funding round led by Sequoia and Wellington Management, The New York Times reported. The round values the company at $40B, up from $22B after its $1B raise in May. The financing is described as Kalshi's last raise before an IPO.

Capital Security

Auriga closes €80 million toward second cybersecurity fund

Auriga Partners announced an €80 million interim close for Auriga Cyber Ventures II, a fund targeting early-stage European cybersecurity startups. Backers include Bpifrance through the French National Seed Fund No. 3 and the European Investment Fund under InvestEU.

Mistral releases improved Large 4 model weights for self-hosting

Mistral AI released the weights of its improved Mistral Large 4, a 1-trillion-parameter model that accepts multimodal input, following a public preview earlier this month. Organizations can download, customize and run it on their own infrastructure.