#trainium

Amazon and OpenAI announced on February 27, 2026 a multi-year strategic partnership built around a Stateful Runtime Environment on Amazon Bedrock, Frontier distribution on AWS, and long-term Trainium capacity. Amazon also said it will invest $50 billion in OpenAI.

AWS and Cerebras said on March 13, 2026 that they are building a high-speed inference offering for Amazon Bedrock. The design splits prefill work to AWS Trainium and decode work to Cerebras CS-3 systems.