OpenAI Brings GPT Models and Codex to AWS
The limited-preview launch brings OpenAI models, Codex and managed agents to Amazon Bedrock as OpenAI expands enterprise distribution beyond Azure.
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OpenAI said on Tuesday that its models, coding agent Codex and a managed agent service will be available through Amazon Web Services (AWS), a day after it revised key terms of its long-running partnership with Microsoft.
The services will be offered through Amazon Bedrock in limited preview, with broader availability expected in the coming weeks, according to OpenAI and AWS.
The move is one of the clearest signs that OpenAI is widening commercial distribution beyond Microsoft Azure. Under the revised Microsoft agreement, Azure remains OpenAI’s primary cloud partner, but OpenAI can now serve its products to customers across any cloud provider.
OpenAI said it was expanding its strategic partnership with Amazon “to help enterprises build using OpenAI capabilities in their AWS environments.”
The company added that the arrangement would give AWS customers access to OpenAI models, including GPT-5.5, alongside Codex and Amazon Bedrock Managed Agents powered by OpenAI.
“Together, these capabilities give organizations more ways to use OpenAI across application development, software engineering, and agentic workflows, while building within the infrastructure, security, governance, and procurement workflows they already use on AWS,” OpenAI said.
Under the agreement, AWS customers will be able to access OpenAI’s models through Amazon Bedrock, allowing enterprises to run the systems inside existing AWS security controls, identity layers and procurement systems.
OpenAI is also bringing Codex, its coding-focused agent suite, to AWS. The company said more than 4 million people now use Codex every week across software engineering, code testing, legacy application refactoring and broader document-based workflows.
A third component of the partnership is Amazon Bedrock Managed Agents powered by OpenAI, which the companies said will allow enterprises to deploy AI agents capable of maintaining context, executing multi-step workflows, using tools and handling more complex business processes.
“For enterprises, it means a clear single path from experimentation to production, with OpenAI capabilities available in the AWS environments where their most important workloads already run,” OpenAI said in the release.
The announcement comes just a day after OpenAI and Microsoft revised key terms of their alliance, ending Microsoft’s revenue-share payments to OpenAI and allowing the AI company to offer products across rival cloud platforms while Azure remains its primary cloud partner.
