# OpenAI — GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum

- Company: OpenAI (openai.com)
- Announced: 2025-11-12T00:00:00+00:00
- Category: model-update
- Subject: GPT / ChatGPT / API
- Models affected: GPT-5.1 Instant, GPT-5.1 Thinking
- Source: https://openai.com/index/gpt-5-system-card-addendum-gpt-5-1
- Record: https://forck.live/items/389-gpt-5-1-instant-and-gpt-5-1-thinking-system-card-addendum

OpenAI released a system card addendum for GPT-5.1 Instant and Thinking that provides updated safety metrics, including new evaluations for mental health and emotional reliance.

## Evidence

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

> This GPT-5 system card addendum provides updated safety metrics for GPT-5.1 Instant and Thinking, including new evaluations for mental health and emotional reliance.

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Record: https://forck.live/items/389-gpt-5-1-instant-and-gpt-5-1-thinking-system-card-addendum
Catalogue: https://forck.live/llms.txt
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