Anthropic, OpenAI’s close rival, has raised an additional $4 billion from Amazon, and has agreed to make Amazon Web Services (AWS), Amazon’s cloud computing division, the primary place it’ll train its flagship generative AI models. Anthropic also says it’s working with Annapurna Labs, AWS’ chipmaking division, to develop future generations of Trainium accelerators, AWS’ custom-built chips for training AI models. “Our engineers work closely with Annapurna’s chip design team to extract maximum com...