OpenAI GPT-5.6 Models Now Available on Amazon Bedrock

Zohreh Norouzi· July 24, 2026 View original

Summary

OpenAI's GPT-5.6 Sol, Terra, and Luna models are now generally available on Amazon Bedrock, offering users new options for AI development. The announcement includes guidance on model selection, running inference via the Responses API, optimizing costs with prompt caching, integrating the OpenAI Codex coding agent, and managing quotas and scaling.

Amazon Bedrock has announced the general availability of OpenAI's latest GPT-5.6 models, specifically Sol, Terra, and Luna. This expansion provides developers and businesses with more advanced large language models to integrate into their applications and services. The release comes with practical guidance for users, covering essential aspects of deployment and management. This includes advice on how to effectively select the most suitable model for specific tasks, execute inference requests through the Responses API using the bedrock-mantle endpoint, and implement strategies like prompt caching to reduce operational costs. Additionally, the documentation details how to connect the OpenAI Codex coding agent and offers insights into planning for API quotas and scaling requirements to ensure efficient and robust operations.

Why it matters

Professionals can now access and leverage these advanced OpenAI models directly through Amazon Bedrock, simplifying deployment and integration into AWS-based applications, potentially accelerating AI development and innovation.

How to implement this in your domain

  1. 1Access Amazon Bedrock to explore the new GPT-5.6 models.
  2. 2Experiment with Sol, Terra, and Luna to determine the best fit for specific use cases.
  3. 3Implement prompt caching strategies to optimize inference costs.
  4. 4Integrate the OpenAI Codex agent for code generation tasks.
  5. 5Plan for API quotas and scaling needs for production deployments.

Who benefits

Software DevelopmentCloud ComputingAI/MLIT Services

Key takeaways

  • OpenAI GPT-5.6 models are now generally available on Amazon Bedrock.
  • Users can access Sol, Terra, and Luna for various AI applications.
  • Guidance is provided for cost optimization, integration, and scaling.
  • This expands the range of advanced LLMs available on AWS.

Original post by Zohreh Norouzi

"OpenAI GPT-5.6 Sol, Terra, and Luna are now generally available on Amazon Bedrock. Learn how to select a model, run inference through the Responses API on the bedrock-mantle endpoint, reduce cost with prompt caching, connect the OpenAI Codex coding agent, and plan for quotas and…"

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