# OpenAI — GPT-5.1-Codex-Max System Card

- Company: OpenAI (openai.com)
- Announced: 2025-11-19T00:00:00+00:00
- Category: new-model
- Subject: GPT / ChatGPT / API
- Models affected: GPT‑5.1-CodexMax
- Source: https://openai.com/index/gpt-5-1-codex-max-system-card
- Record: https://forck.live/items/376-gpt-5-1-codex-max-system-card

OpenAI published a system card for GPT‑5.1-CodexMax, describing safety measures including model-level mitigations and product-level mitigations.

## Evidence

Verbatim from https://openai.com/index/gpt-5-1-codex-max-system-card:

> This system card outlines the comprehensive safety measures implemented for GPT‑5.1-CodexMax. It details both model-level mitigations, such as specialized safety training for harmful tasks and prompt injections, and product-level mitigations like agent sandboxing and configurable network access.

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Record: https://forck.live/items/376-gpt-5-1-codex-max-system-card
Catalogue: https://forck.live/llms.txt
Feed: https://forck.live/feed.md