Changes are happening in the world of artificial intelligence, specifically regarding the concept of a "barra libre" or unlimited access. It appears that the days of free access are coming to an end, with the decision on token pricing being a key factor. The development is related to advancements in AI technology, with companies like Anthropic making significant moves.

Further information on this topic can be found through El País, including details on Anthropic's plans and developments in the field of artificial intelligence. For those looking for more in-depth information, El País provides additional context and details on the latest developments in AI and their potential impact.