# OpenAI — Improving instruction hierarchy in frontier LLMs

- Company: OpenAI (openai.com)
- Announced: 2026-03-10T11:00:00+00:00
- Category: capability-change
- Subject: GPT / ChatGPT / API
- Source: https://openai.com/index/instruction-hierarchy-challenge
- Record: https://forck.live/items/235-improving-instruction-hierarchy-in-frontier-llms

OpenAI introduces the IH-Challenge method to train models to better prioritize trusted instructions, enhancing instruction hierarchy, safety steerability, and resistance to prompt injection attacks.

## Evidence

Verbatim from https://openai.com/index/instruction-hierarchy-challenge:

> IH-Challenge trains models to prioritize trusted instructions, improving instruction hierarchy, safety steerability, and resistance to prompt injection attacks.

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Record: https://forck.live/items/235-improving-instruction-hierarchy-in-frontier-llms
Catalogue: https://forck.live/llms.txt
Feed: https://forck.live/feed.md