Amazon ↔ Anthropic: every deal

All 5 deals between Amazon and Anthropic: $133B in total since Sep 25, 2023, with dates, status and sources. Updated Nov 9, 2026.

Anthropic → Amazon

$100B

Amazon → Anthropic

$33B

Amazon

Loops that include this flow

Apr 20, 2026Cloud & servicesannounced$100B

Anthropic → Amazon · over $100 billion over 10 years, up to 5 GW

In exchange for Amazon's investment, Anthropic commits to spend over $100 billion on AWS over 10 years, up to 5 GW (Trainium2/3).

Apr 20, 2026Investmentannounced$25B

Amazon → Anthropic · $5 billion upfront + up to $20 billion tied to milestones

$5 billion immediately (at a $380 billion valuation) and up to $20 billion tied to commercial milestones, on top of the $8 billion already invested.

Oct 29, 2025Cloud & servicesclosedn/a

Anthropic → Amazon · Project Rainier, ~500,000 Trainium2 chips

AWS activates Project Rainier, a cluster of about 500,000 Trainium2 chips dedicated to Anthropic, which aims for over 1 million chips by end-2025.

Nov 22, 2024Investmentclosed$4B

Amazon → Anthropic · brings Amazon's total to $8 billion

Second $4 billion investment; Anthropic picks AWS as primary training partner and Trainium chips.

Sep 25, 2023Investmentclosed$4B

Amazon → Anthropic · up to $4 billion ($1.25 billion + $2.75 billion in Mar 2024)

Amazon's first investment in Anthropic: $1.25 billion upfront and $2.75 billion completed in March 2024. AWS becomes primary cloud provider.