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What This Tutorial Builds—and What It Deliberately Does Not Move This tutorial explains the AWS reference pattern for placing a customer-operated LiteLLM gateway between OpenAI Codex and Amazon Bedrock. The important boundary is that Codex remains the software-development agent running its task loop on the user’s workstation, while LiteLLM governs…

Start with the right mental model: the agent loop is yours A long-running Claude Code workflow is an application-owned agent loop with durable state, explicit permissions, resumable steps, bounded tools, and human checkpoints. It is not a model independently running infrastructure in the background. Claude Fable 5.1 can reason across…

Migration impact in one sentence Most Claude Fable 5 applications can start the Fable 5.1 migration by changing the model identifier to claude-fable-5-1, but direct Messages API integrations, custom agent harnesses, tool routers, and systems that persist Claude thinking blocks need a real code review because Fable 5.1 changes how…

Why September 3 Changes the Codex Lockdown Conversation OpenAI’s September 3, 2026 release notes add a materially more granular policy surface for Codex enterprise browser and native-app computer use. The practical change is not that administrators can suddenly “trust” browser automation or desktop control; it is that they can now…