Barcelona's LLM Pulse tracks how AI assistants mention brands, with no outside funding

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LLM Pulse, founded in Barcelona about a year ago by Daniel Peris, Esteve Castells and Adrián Rojas, sells software that measures how often brands appear in answers from ChatGPT, Gemini and Claude. It also tracks how those assistants describe each brand. The field has acquired a name, Generative Engine Optimization, which is what happens when a chatbot names only five to seven brands and everyone else wants to be one of them. The platform tracks key questions in each sector, finds which sources the models draw on, follows AI crawlers visiting a company's site and suggests technical changes to the site.

The company runs entirely in English. The US is its main market, with more than 50 clients there, and its customers include Holafly, Metricool, iLovePDF, Softonic and Adevinta. It is sold as self-service software, bought online with a credit card.

The unusual part is the funding, or rather the absence of it. Its American rivals have raised hundreds of millions of dollars, and some are valued above $1 billion. LLM Pulse has turned down outside investment and runs with no advertising, no sales team and no staff beyond its three founders. It wins customers the way its product says customers are now found: a marketing director asks an AI assistant for tools, and gets a list. "We show up and they show up, in the same list, one after the other," said Peris.