This is a juicy competitive move for both companies after AWS faced an onslaught of criticism over its progress with AI.

Bringing a revolutionary change in the world of artificial intelligence, OpenAI has officially launched two open-source language models, GPT-OSS-120B and GPT-OSS-20B, on August 6. The company says that both these models are capable of advanced reasoning and can be used locally,

These models are now accessible via AWS Bedrock and SageMaker, putting Amazon in direct play with Microsoft and giving AWS customers a new way to build and run AI applications using OpenAI technology.