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

DevFeed: [GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum](<https://devfeed.tech/articles/gpt-5-1-instant-and-gpt-5-1-thinking-system-card-addendum-6436.md>)

Original publisher: [Read original article](<https://openai.com/index/gpt-5-system-card-addendum-gpt-5-1>)

Published: 2025-11-12T00:00:00Z

Content type: article

Language: en

Sources: [OpenAI News](<https://devfeed.tech/sources/openai-news.md>)

Topics: [ChatGPT](<https://devfeed.tech/topics/chatgpt.md>), [Chain-of-thought](<https://devfeed.tech/topics/chain-of-thought.md>)

Tags: [chatgpt](<https://devfeed.tech/tags/chatgpt.md>), [gpt](<https://devfeed.tech/tags/gpt.md>), [health](<https://devfeed.tech/tags/health.md>), [mental-health](<https://devfeed.tech/tags/mental-health.md>), [model](<https://devfeed.tech/tags/model.md>), [models](<https://devfeed.tech/tags/models.md>), [publication](<https://devfeed.tech/tags/publication.md>), [reasoning](<https://devfeed.tech/tags/reasoning.md>), [safety](<https://devfeed.tech/tags/safety.md>)

## AI overview

This system card addendum presents updated safety metrics for GPT-5.1 Instant and GPT-5.1 Thinking. It expands pre-deployment evaluations to cover mental health concerns and emotional reliance on ChatGPT, while describing the models' adaptive reasoning and safety mitigations.

## Source excerpt

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.