Amazon said on Monday that Anthropic will spend more than $100 billion over the next 10 years on its cloud technologies, deepening its relationship as the AI startup rushes to secure capacity to bolster its models.Amazon will also invest $5 billion in Anthropic now, and an additional $20 billion in the future, subject to certain commercial milestones. This is in addition to the $8 billion Amazon has previously invested in the company.Anthropic is aiming to pull ahead in the AI race with a slew of model releases focused on coding and design, while Amazon seeks customers for its custom silicon chips built for artificial intelligence training and inference.Amazon shares rose around 2.5% in extended trading.