New Delhi, Aug. 6 -- Amazon Web Services (AWS) announced on August 5 that OpenAI's new open weight foundation models-gpt-oss-120b and gpt-oss-20b-are now available on Amazon Bedrock and Amazon SageMaker AI, marking a significant expansion in generative AI offerings on its cloud platform.

This is the first time OpenAI's open weight models are being made accessible through AWS, offering customers a streamlined path to build and deploy generative AI applications using familiar AWS tools and infrastructure.

Performance & cost efficiency

The larger model, gpt-oss-120b, delivers 3x better price-performance than Google's Gemini, 5x better than DeepSeek-R1, and 2x better than OpenAI's own o4 model, according to Aamazon.

With advanced reasonin...