LinkedIn is emerging as a key source for AI responses.

As AI-powered search engines become more widespread, the question of their sources is becoming strategic for brands and content creators. Thus, ChatGPT, Google AI Mode, and Perplexity no longer simply index traditional websites: they rely on a variety of platforms to build their results. Among these, LinkedIn seems to be playing an increasingly central role. Indeed, according to a recent study by SEMRush, the social network is becoming one of the major references used by AI to explain a topic, cite expertise, or mention a company.

LinkedIn is becoming one of the main sources cited by AI

Based on 325,000 queries submitted to ChatGPT, Google AI Mode, and Perplexity between January and February 2026, the study reveals the growing influence of LinkedIn in AI-generated responses.

In total, 89,000 LinkedIn URLs were analyzed, and the platform represents on average 11% of citations in AI tool responses, placing it second among the most cited domains, ahead of Wikipedia and YouTube.

The differences between the models remain significant, with Perplexity citing LinkedIn in 5.3% of responses, compared to 13.5% for ChatGPT and 14.3% for AI Mode. Google.

An influence on content creation?

The study also shows that the generated responses often reflect the meaning of the content published on LinkedIn. The observed semantic similarity scores range from 0.57 to 0.60, a higher level than that observed for platforms like Reddit or Quora. In other words, LinkedIn posts can directly influence how a brand or topic is described by AI. This development is also confirmed by a Profound analysis. Between November 2025 and February 2026, LinkedIn moved from 11th to 5th place among the most cited domains by ChatGPT, even becoming the top source for professional queries on several AI models.

Long-form articles and educational content favored

However, not all LinkedIn posts benefit from the The same level of visibility is observed in AI-generated responses. According to the Semrush study, long articles largely dominate citations, representing 50% to 66% of LinkedIn content used by AI. Short posts come next, with a share between 15% and 28%. Content length also plays a role. Articles of 500 to 2,000 words account for up to 77% of citations, while the most cited posts generally have between 50 and 299 words. The type of author cited also depends on the model used, where Perplexity prioritizes company pages, which represent 59% of its LinkedIn citations, while ChatGPT and Google's AI Mode more often highlight member posts.