New Developer Tools and Thinking Levels

Podcast episode for GPT 5.1 Follows Custom Instructions and Glazes.

* 00:00 - Introduction

* 00:23 - Their Announcement

* 04:24 - Their Pitch on GPT-5.1 Instant

* 06:26 - Their Pitch on GPT-5.1 Thinking

* 09:38 - Now With Extra Glaze

* 14:25 - Genuine People Personalities

* 15:30 - The End Of The Em-Dash?

* 17:35 - Turning A Dial And Looking Back At The Audience

* 18:04 - System Card

* 20:01 - On Your Marks

* 21:36 - Ask Them Anything

* 23:39 - Reactions Introduction

* 24:08 - Officially Pitched Developer Reactions

* 26:28 - Positive Reactions

* 32:34 - Personality Reactions

* 35:02 - Verbosity Reactions

* 36:15 - Negative Reactions

* 38:18 - Initial Pliny Report

* 39:52 - The hashtag Keep4o Crowd Is Not Happy, Defends 5.0

* 43:19 - Overall Take

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https://open.substack.com/pub/thezvi/p/gpt-51-follows-custom-instructions?r=67y1h&utm_campaign=post&utm_medium=web&showWelcomeOnShare=false