ChatGPT Custom Instructions Limit Raised
btibor91 · x · 2026-07-16
OpenAI has increased the character limit for ChatGPT's custom instructions from 1,500 characters to 5,000 characters.
This change applies to Plus, Pro, Enterprise, Business, and Education users, allowing them to input longer, more detailed long-term preferences and instructions.
Related event: ChatGPT Custom Instructions Limit Expanded to 5,000 Characters(3 posts)→
More from Apps
- Photoshop finally lets users clean up the Save As format list — rufusd · 2026-09-11
- Build X Carousel Posts from One Wide Image: A Splitter Tool Plus YouMind Skill Workflow — sujingshen · 2026-09-11
- Ant's Afu health AI hits 150M users, unveils AI+hardware health alliance at Bund Summit — APPSO · 2026-09-11
- Reverse prompting: let the AI interview you with 5 questions for sharper output — thisdudelikesAI · 2026-09-11
- Prompting tip: add constraints to role prompts, that's what makes them useful — thisdudelikesAI · 2026-09-11
- AI sales agents shine at the top of funnel but lose real deals, says GTM practitioner — gogeta7124 · 2026-09-11