{"slug": "openai-plugin-extensions-build-apps-inside-chatgpt", "title": "OpenAI Plugin Extensions: Build Apps Inside ChatGPT", "summary": "OpenAI Plugin Extensions now let developers build sidebar apps, panels, and file viewers inside ChatGPT, according to byteiota. Custom GPTs retire on December 11, 2026, and the report advises developers to migrate before that date.", "body_md": "OpenAI Plugin Extensions let developers build sidebar apps, panels, and file viewers inside ChatGPT. Custom GPTs retire December 11, 2026. Here is what to do.\n\nThe post \nOpenAI Plugin Extensions: Build Apps Inside ChatGPT\n appeared first on \nbyteiota\n.", "url": "https://wpnews.pro/news/openai-plugin-extensions-build-apps-inside-chatgpt", "canonical_source": "https://byteiota.com/openai-plugin-extensions-build-apps-inside-chatgpt/", "published_at": "2026-09-29 23:10:19+00:00", "updated_at": "2026-09-29 23:16:54.901156+00:00", "lang": "en", "topics": ["ai-products", "developer-tools", "artificial-intelligence", "generative-ai"], "entities": ["OpenAI", "ChatGPT", "Custom GPTs", "byteiota"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/openai-plugin-extensions-build-apps-inside-chatgpt", "markdown": "https://wpnews.pro/news/openai-plugin-extensions-build-apps-inside-chatgpt.md", "text": "https://wpnews.pro/news/openai-plugin-extensions-build-apps-inside-chatgpt.txt", "jsonld": "https://wpnews.pro/news/openai-plugin-extensions-build-apps-inside-chatgpt.jsonld"}}