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Pinterest Commits $4 Billion to AWS to Scale AI

The company says the multi-year agreement will speed model training and inference to improve personalization for users, lifting advertiser returns.

Overview

  • Pinterest announced on Thursday, June 4, 2026, a planned $4 billion commitment to Amazon Web Services that runs through 2031 and represents the largest infrastructure deal in its history.
  • Under the agreement Pinterest will expand use of AWS custom silicon, using Trainium chips for large language and vision‑language model workloads and increasing use of Graviton processors that already power about one-third of its compute.
  • The company will migrate parts of its stack from traditional EC2 setups to a Kubernetes-based architecture on Amazon Elastic Kubernetes Service (EKS) to speed deployments and improve operational efficiency.
  • Pinterest says the added capacity will accelerate products such as PinRec and Pinterest Assistant to boost personalization, shorten model iteration cycles, and improve advertiser performance on the platform.
  • The deal follows a recent company restructuring and prompted a positive market reaction with Pinterest shares rising and analysts noting the move reflects a broader industry shift toward specialized cloud silicon to cut AI cost and time-to-market.