AI Compute Deals

completed

Amazon invests up to $4B in Anthropic; AWS becomes primary cloud

Amazon agreed to invest up to $4 billion in Anthropic for a minority stake. Anthropic named AWS its primary cloud provider and agreed to use AWS Trainium and Inferentia chips for future models.

Value
$4B1
Capacity
n/d
Term
n/d
Accelerators
n/d

What the value means

Up to $4 billion, structured as convertible promissory notes (Amazon 2023 note purchase agreement, 19 Sept 2023). Per Anthropic's S-1/A: first tranche $1.2 billion in September 2023; second tranche $3.4 billion principal in March 2024 for $2.8 billion of proceeds.

The record

Verified 9 Nov 2026
Announced
Buyer
Anthropic
Seller / provider
Amazon (AWS)
ValueHeadline dollar value exactly as stated in the cited source.
4,000,000,000 USD
Capacity
Not disclosed
Accelerators
Not disclosed
Chips
AWS Trainium, AWS Inferentia
Term
Not disclosed
StatusClosed or funded
completed
Other parties
None named
Deal type
equity-for-compute, cloud-capacity, chip-supply

Sources

2
  1. Amazon and Anthropic announce strategic collaboration (About Amazon) read 2026-11-09
  2. Anthropic, PBC Form S-1/A, Amendment No. 1 (SEC, 2 Nov 2026) read 2026-11-09

Cite this deal

AI Compute Deals, “Amazon invests up to $4B in Anthropic; AWS becomes primary cloud”, https://aicomputedeals.com/anthropic-amazon-investment-2023-09/ (verified 2026-11-09).

Data under CC BY 4.0. Download the full ledger.

The rest of this relationship

3 rows
  1. Anthropic commits $110B+ to AWS; Amazon invests up to $25B more $110B signed
  2. Amazon adds $4B to Anthropic; AWS becomes primary training partner $4B completed
  3. Amazon invests up to $4B in Anthropic; AWS becomes primary cloud $4B completed

Every deal for Anthropic and Amazon.