While Anthropic will use the Colossus 1 data center, which has a really bad environmental record, xAI retains the larger Colossus 2 for its own AI training (Simon Willison/Simon Willison's Weblog)

Anthropic's use of the Colossus 1 data center presents significant environmental and sustainability risks for the organization, while xAI's control of the larger Colossus 2 facility highlights competitive infrastructure disparities in the AI industry. IT leaders must recognize that infrastructure choices for AI training directly impact corporate environmental commitments and stakeholder trust, requiring careful evaluation of data center partners' sustainability credentials alongside performance metrics.