{"slug": "longer-custom-assistant-instructions-for-custom-assistants", "title": "Longer custom assistant instructions for custom assistants", "summary": "OpenAI is considering raising the custom instruction limit for its AI assistants from the current 20,000 characters to 50,000 or 100,000 characters, according to a user request. The proposed increase would allow users to provide more detailed and advanced instructions, enhancing customization of AI outputs.", "body_md": "Increasing the cap for custom instructions for assistants above the current 20,000 character cap. Perhaps to 50 or 100k\n\nThe current cap at 20,000 characters is quite restrictive and often results in hitting the cap when using custom instructions for assistants.\n\nA user would be able to expand their custom instructions beyond the current limits and access more advanced customization of their AI output through the use of more advanced and thorough instructions.", "url": "https://wpnews.pro/news/longer-custom-assistant-instructions-for-custom-assistants", "canonical_source": "https://kagifeedback.org/d/11363-longer-custom-assistant-instructions-for-custom-assistants/1", "published_at": "2026-08-29 10:52:53+00:00", "updated_at": "2026-08-29 11:18:02.405802+00:00", "lang": "en", "topics": ["ai-products", "ai-tools"], "entities": ["OpenAI"], "alternates": {"html": "https://wpnews.pro/news/longer-custom-assistant-instructions-for-custom-assistants", "markdown": "https://wpnews.pro/news/longer-custom-assistant-instructions-for-custom-assistants.md", "text": "https://wpnews.pro/news/longer-custom-assistant-instructions-for-custom-assistants.txt", "jsonld": "https://wpnews.pro/news/longer-custom-assistant-instructions-for-custom-assistants.jsonld"}}