AnalysisDevelopersAugust 27, 2026

OpenAI building interface platform inside ChatGPT

RuntimeWire reverse-engineered OpenAI's Codex desktop client, finding an undocumented GenUI architecture for structured conversational interfaces and a bundled catalog of 467 versioned 'Learning Block' types. The closed, first-party system could keep users inside ChatGPT, adding lock-in beyond model quality.

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