Codex connects to the AWS ecosystem via Amazon Bedrock
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AWS published a post introducing the integration approach for OpenAI Codex to call supported OpenAI models through Amazon Bedrock to complete inference. Codex itself still runs on the developer workstation, while inference requests go through Bedrock and are brought into AWS's IAM identity, region, and observability systems. AWS recommends first using Native AWS Access for a small-scale, least-privilege pilot; when AWS-managed gateway infrastructure is needed for routing or Bedrock Guardrails, choose AgentCore Gateway; when platform teams need to enforce controls on the request path, choose LLM Gateway. Before the pilot, check the Bedrock-supported models by region and confirm that Sol, Terra, or Luna is available in the planned region and inference path.
AI overview based on source reports · Updated 3 days ago
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- AWS Machine Learning BlogOpenAI Codex on Amazon Bedrock
This AWS post explains how developers can run OpenAI Codex on the workstation while routing model inference through Amazon Bedrock using supported OpenAI models such as GPT-5.6 Sol, Terra, and Luna. It compares three access paths—Native AWS Access with IAM Identity Center, AgentCore Gateway, and an LLM Gateway—and recommends starting with a small, least-privilege pilot before expanding. It also covers validation steps, identity-isolation testing, OpenTelemetry and CloudWatch observability, cost allocation, plugins, hooks, MCP servers, phased rollout, and cleanup.
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