Amazon announced today that it’s pumping another $4 billion into Claude AI maker Anthropic, bringing its total funding amount to $8 billion. This latest round follows $1.25 billion last September and another $2.

Anthropic, one of the world’s top providers of advanced AI models, has announced a massive $4 billion investment from Amazon, bringing the tech and shopping giant’s total investment in the AI firm to $8 billion.

AWS has backed Anthropic since last September when it invested an initial $1.25 billion into the company. Followed by another $2.75 billion this March that represented the largest external investment in Amazon’s history, the partnership positioned AWS as Anthropic’s primary cloud provider.