Configure the ChatGPT desktop app with Amazon Bedrock in AWS GovCloud (US)

What happened

AWS explains how to configure the ChatGPT desktop app so Codex routes model requests through Amazon Bedrock Mantle in us-gov-west-1. The walkthrough combines API-mode sign-in, administrator-controlled requirements.toml, config.toml, a named AWS profile, and network restrictions that permit the approved Bedrock endpoint. It covers authentication precedence, provider verification, troubleshooting, and rollback, while emphasizing that organizations must review the deployment through their own security authorization process.

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The story so far

AWS published a walkthrough for configuring the ChatGPT desktop app so Codex routes model inference requests through Amazon Bedrock Mantle in AWS GovCloud’s us-gov-west-1 Region. The guide targets organizations that require inference to use GovCloud identities, endpoints, and Regional controls. The setup combines API-mode sign-in, administrator-controlled requirements.toml, config.toml, a named AWS profile, and network restrictions that permit the approved Bedrock endpoint. AWS also explains authentication precedence, how to verify the provider, troubleshooting, and rollback. AWS emphasizes that using GovCloud and following the guide do not themselves authorize a workload; organizations must review the deployment through their own security authorization process.