X, the social media platform formerly known as Twitter, has unveiled a major overhaul of its advertising system, introducing a rebuilt, AI-powered infrastructure designed to modernise how ads are created, targeted, and delivered across the platform.
The company says the new system represents a significant shift away from its legacy advertising architecture, replacing it with a framework built around artificial intelligence and machine learning models to improve efficiency and performance for advertisers.
According to the X rollout press release, the upgraded platform introduces AI-driven retrieval and ranking systems that determine which adverts users see, based on relevance signals and predictive modelling. The aim, X says, is to deliver more contextual and personalised advertising experiences while improving outcomes for brands.
The overhaul also includes enhancements to campaign creation tools, with artificial intelligence assisting advertisers in building, optimising, and managing ad campaigns. These tools are expected to reduce manual input and improve automation across the advertising process.
Industry reports indicate that the rebuilt system is being introduced in phases, rather than as a single global release, allowing X to gradually migrate advertisers to the new infrastructure. The transition forms part of a broader effort by the company to integrate AI more deeply across its products and services.
The advertising upgrade is also closely linked to X’s wider technological direction following its integration with Elon Musk’s artificial intelligence venture, xAI. The system is believed to leverage advanced AI models developed within that ecosystem to enhance ad targeting and optimisation.
Sources familiar with the development describe the new platform as a “complete rethinking” of X’s advertising stack, moving towards a more automated, intent-driven model. Rather than relying heavily on traditional demographic targeting, the system is expected to prioritise semantic understanding, user behaviour patterns, and real-time context.
The changes come at a critical time for X, as the company continues to reshape its revenue model and rebuild advertiser confidence following significant shifts in platform policy and structure in recent years. Advertising remains a core source of income for the platform, making improvements in performance and relevance a key business priority.
Industry observers note that X’s move reflects a broader trend across the technology sector, where major platforms are increasingly adopting AI to manage advertising operations. Competitors such as Google and Meta have also invested heavily in AI-driven ad systems, using machine learning to optimise targeting and improve advertisers’ return on investment.
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However, X’s approach appears to go further, aiming to rebuild its entire advertising infrastructure rather than simply layering AI onto existing systems. The company’s emphasis on a fully redesigned architecture suggests a long-term strategy focused on automation and machine-led decision-making.
While X has not disclosed full technical details of the rollout, it has confirmed that the updated advertising system is already being introduced to select advertisers and will expand more broadly over time.
The company is expected to provide further updates as the transition continues, particularly around performance metrics and advertiser adoption rates.
For now, the AI-driven overhaul marks one of the most significant structural changes to X’s advertising business since the platform’s rebranding and ownership transition.
Senior AI Writer
Bio: Okikiola is a writer and AI enthusiast with a background in Office Technology and Management from the Federal Polytechnic Offa. She went further to study an MSc in International Business at De Montfort University (DMU). With extensive work experience across administrative and business roles, she now focuses on exploring how artificial intelligence can transform work, innovation, and everyday life.