OpenAI GPT-5.4 and GPT-5.5 models now available in US East (N. Virginia) on Amazon Bedrock - AWS (opens in new tab)

Today, AWS announces the expanded availability of OpenAI's GPT-5.4 and GPT-5.5 models, which are now available in the US East (N. Virginia) Region on Amazon Bedrock. With GPT-5.4 and GPT-5.5, you can build generative AI applications across reasoning, coding, computer use, document workflows, and long-running agentic tasks. GPT-5.5 is OpenAI's most capable model, designed for advanced coding, research, analysis, software operation, document workflows, and long-running agentic tasks. It can und...