Simon Willison • 11/14/2025

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

Read Original

This article analyzes the GPT-5.1 model update, clarifying the differences between Instant (adaptive reasoning), Thinking (precise thinking time), and Auto (query routing) versions. It examines the confusing routing mechanism and critiques the lack of detail in the system card addendum's internal safety benchmarks, including new evaluations for 'Emotional Reliance' and 'Mental Health'.

0 comments
#AI Safety #Gpt 51 #Model Routing
GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week

1
Quoting Thariq Shihipar
Simon Willison • 2 votes
2
Top picks — 2026 January
Paweł Grzybek • 1 votes
3
In Praise of –dry-run
Henrik Warne • 1 votes
4
Deep Learning is Powerful Because It Makes Hard Things Easy - Reflections 10 Years On
Ferenc Huszár • 1 votes
5
Vibe coding your first iOS app
William Denniss • 1 votes
6
AGI, ASI, A*I – Do we have all we need to get there?
John D. Cook • 1 votes