GPT-5.6 and Codex Can Build Your App, But Launch Readiness Is Still on You

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OpenAI's GPT-5.6 preview is available to approved organizations via the API and Codex, positioning it as a tool within software-building workflows rather than a standalone chatbot. While AI coding agents like Codex can rapidly generate UI routes, database schemas, API calls, and deployment configs, a locally running app is not the same as a publicly launch-ready product. Before opening an agent-built app to outside users, developers must ensure stable public URLs, verified payer identities, usage tracking per user or workspace, and idempotent billing to prevent double-charges. AI apps also require machine-readable documentation — including MCP server details, auth expectations, and pricing behavior — so that other agents can discover and interact with them correctly. The core challenge, often called the 'launch gap,' is ensuring that once an agent builds the app, real users can safely access, use, and pay for it.

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