AWS just added @OpenAI's GPT-5.6 to Bedrock - and with two lines of config, Codex CLI just picks it up.
I wrote up the setup, the API-key path, and a few gotchas:
Ever felt like your coding agent tends to add their own, often unhelpful interpretation of what the terms and concepts in your app mean?
AI coding agents amplify whatever you give them. If your vocabulary is ambiguous, they amplify ambiguity. If it's precise, they amplify
Your agent keeps using that word, you don't think it means what the agent thinks it means...
How Domain-Driven Design and a Ubiquitous Language adds consistency to coding agent results.
An AI coding agent is the most confident Humpty Dumpty you'll ever work with. It will interpret your vocabulary however it sees fit, and it will never tell you it's confused.
Domain-Driven Design has a pattern for this. I wrote about how to apply it in practice:
