Pharma most-mentioned by AI

Pfizer has the most presence in AI-generated responses to user queries around pharmaceuticals, while other pharmas shine in different metrics, according to a new report.

Worldcom's 2025/26 Healthcare Monitor, Pharmaceuticals analysed ten major pharmaceutical companies and how their content is selected, cited, and trusted in generative AI environments, along with analysis of their success in communicating through their websites.

Generative Engine Optimisation, or GEO, has joined Search Engine Optimisation (SEO) as an important focus with healthcare being one of the leading topic prompts for AI search. Users are increasingly asking questions directly to generative AI, leading ChatGPT and Claude to launch Healthcare specific tools for patients and companies.