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Amazon Invests $11B in Massive AI Data Center Expansion

11/4/2025

Summary

Story summary

Amazon Web Services (AWS) launched Project Rainier, a massive AI data center in New Carlisle, Indiana, with an $11 billion investment.
Since October 2025, the facility spans 1,200 acres with seven buildings housing 500,000 Trainium2 chips for Anthropic's AI model training.
AWS plans to expand to over one million Trainium2 chips by year-end.
Anthropic is expanding its collaboration with Google Cloud to maintain a multi-cloud strategy for flexibility and performance.

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Story summary

Amazon Web Services (AWS) launched Project Rainier, a massive AI data center in New Carlisle, Indiana, with an $11 billion investment.
Since October 2025, the facility spans 1,200 acres with seven buildings housing 500,000 Trainium2 chips for Anthropic's AI model training.
AWS plans to expand to over one million Trainium2 chips by year-end.
Anthropic is expanding its collaboration with Google Cloud to maintain a multi-cloud strategy for flexibility and performance.