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OpenAI’s updated Model Spec sets new constraints for your AI’s behavior

◆ 75RelevanceOn a story from OpenAI2h ago

This document dictates how OpenAI models handle instructions and safety, directly impacting your product’s reliability and tone. You must verify that your custom prompts still work as intended against these updated baseline behaviors.

Takeaways

  • Review your system prompts for conflicts with new model defaults.
  • Expect changes in how models interpret and prioritize complex instructions.
  • Treat the spec as the documentation for default model personality.
Read the original at openai.com
An updated Model Spec for more capable and beneficial AI
fmode.me/n/an-updated-model-spec-for-more-capable-and-beneficial-ai

Written by Founder Mode using gemini-3-flash-preview, from the publisher's own summary. We link the original rather than reproduce it — the reporting belongs to OpenAI.