What are the biggest AI companies and how much are they worth?

As artificial intelligence (AI) firms push for greater controls on the industry, Al Jazeera unpacks the value of the main companies in the sector.A renewed debate has emerged over who should control the development of artificial intelligence (AI).The latest dispute follows an essay by Anthropic CEO Dario Amodei, who has argued that the development of increasingly powerful AI systems needs to slow down, calling for greater regulation.US President Donald Trump pushed back, writing on Truth Social that the US already has “tremendous CRIMINAL and REGULATORY power” over AI companies, framing safety concerns as a conspiracy that only benefits China. He went on to say that whoever wins the AI race wins outright.As states grapple with how to regulate an industry developing at an unprecedented pace, Al Jazeera unpacks the companies driving the AI race and the trillions of dollars behind them.Who is who in AI?Chatbots and large language models are only the visible tip of the AI industry. Beneath them sits a much larger ecosystem of hardware, infrastructure, and software.These companies can be broadly grouped into three categories:HardwareAt the foundation of the AI industry are the companies...