OpenAI makes GPT-5.5 and Codex available on Amazon Bedrock, enabling native AWS IAM authentication

Theo highlights how OpenAI models on Bedrock let enterprises skip choosing between clouds or managing separate API keys. They gain native AWS IAM, compliance, observability, billing, and data privacy for frontier models plus Codex in CLI/IDE workflows. ^¹

This decouples model selection from infrastructure, enabling huge AWS-user adoption, revenue growth for OpenAI, and direct competition with Anthropic while signaling broader future integrations like Daybreak.