OpenAI’s hidden GenUI system keeps ChatGPT widgets running after answers

OpenAI’s Codex desktop client contains an undocumented GenUI system that can keep parts of a ChatGPT response active after the text appears. The code supports server-directed refreshes for individual widgets and includes 467 versioned “Learning Blocks,” suggesting OpenAI is building a controlled interface layer for interactive calculations, simulations, charts and guided tasks.
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https://4sysops.com/archives/openais-hidden-genui-system-keeps-chatgpt-widgets-running-after-answers/