Published on March 31, 2025, at 4:38 am (Paris), updated on April 1, 2025, at 11:00 am 4 min read Multimedia training data Created in 2023, xAI quickly benefited, for the training of its models, from privileged access to the vast quantity of texts, images and videos published on X by users. Finding multimedia training data that is as recent as possible is one of the challenges for manufacturers of AI models such as OpenAI, Anthropic, Google and Meta. The latter, for example, claims to train its AIs on public content shared by users of its social media networks Facebook and Instagram. xAI also contributes its Colossus supercomputer, launched in September 2024 near Memphis, USA, and touted as one of the most powerful in the world, with 100,000 state-of-the-art Nvidia chips. For xAI, access to X is also a valuable distribution channel for its assistant Grok. From its launch in November 2023, Grok was accessible to premium subscribers of the social media network, and then in December 2024, it was made available free of charge to its 600 million members. The latter benefit from an assistant available on the platform. In return, Grok enjoys an interesting advantage in the fierce competition with other assistants such as ChatGPT (OpenAI). You have 62.31% of this article left to read. The rest is for subscribers only. Lecture du Monde en cours sur un autre appareil. Vous pouvez lire Le Monde sur un seul appareil à la fois Continuer à lire ici