OpenAI GPT-5.4 and GPT-5.5 models now on Amazon Bedrock
AWS has expanded the availability of OpenAI's GPT-5.4 and GPT-5.5 models to the US East (N. Virginia) Region on Amazon Bedrock. These models offer advanced reasoning, coding, and agentic task capabilities for building generative AI applications. GPT-5.5 is OpenAI's most capable model for complex tasks, while GPT-5.4 supports frontier reasoning and long-context workflows. Both support a 272K-token context window with text and image inputs and are available via the Responses API.
- →GPT-5.4 and GPT-5.5 models added to Amazon Bedrock
- →Enhanced capabilities for complex AI tasks
- →Expanded input and context window support
Features (2) ›
- GPT-5.4 and GPT-5.5 models added to Amazon Bedrock
OpenAI's GPT-5.4 and GPT-5.5 models are now available in the US East (N. Virginia) Region on Amazon Bedrock, enabling the development of advanced generative AI applications.
- Enhanced capabilities for complex AI tasks
GPT-5.5 is designed for advanced coding, research, analysis, and long-running agentic tasks, capable of understanding open-ended goals and navigating ambiguity. GPT-5.4 supports frontier reasoning, coding, and long-context workflows for production applications.
Enhancements (1) ›
- Expanded input and context window support
Both GPT-5.4 and GPT-5.5 models feature a 272K-token context window and accept both text and image inputs. They are accessible through the Responses API with support for tool calling, projects, and response streaming.
https://aws.amazon.com/about-aws/whats-new/2026/06/openai-gpt-us-east-virginia-amazon/