/Tech59d ago

GPT-5.4-Pro launches with advanced debugging capabilities

OpenAI's GPT-5.4 model sparks technical discussion among staff including Thibault Sottiaux, Member of Technical Staff leading Codex, who references GPT-5.4-Pro variant and Fable naming, and Adam Goldberg, Team Lead of Financial Services in GTM, who states it maintains or improves intelligence levels. Systems engineer Yacine (kache), formerly at X and Stripe and now building a hardware startup and fast robot sim infrastructure, reposts that GPT-5.4 reads disassembled binaries to set breakpoints and detect bugs.

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Original post
Tibo@thsottiaux#774inTech

Imagine the alternate reality where we named GPT-5.4-Pro something like Fable.

9:01 PM · Apr 11, 2026 · 831.9K Views
Sentiment

Positive users praised the proposed name Fable for GPT-5.4-Pro as sounding great and well chosen while the negative reply objected to AI becoming less friendly and more tool-like.

Pos
83.3%
Neg
16.7%
6 comments with sentiment.
Cluster Engagement
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VIEWS28.3KBOOKMARKS5REPLIES25
Tibo@thsottiaux

5.4-Pro is available in http://chat.com

Tibo@thsottiaux

Imagine the alternate reality where we named GPT-5.4-Pro something like Fable.

59dViews 28.3KLikes 176Bookmarks 5
LIKES187
Teknium 🪽@Teknium

@thsottiaux It'd have been very nice

Tibo@thsottiaux

Imagine the alternate reality where we named GPT-5.4-Pro something like Fable.

1dViews 22.6KLikes 187Bookmarks 2
RETWEETS59
Tibo@thsottiaux

Imagine the alternate reality where we named GPT-5.4-Pro something like Fable.

59dViews 831.9KLikes 3.2KBookmarks 200
I am@alive_prolly

@thsottiaux Imagine

1dViews 5.5KLikes 74Bookmarks 1
Aashir@Aaxh1r

@thsottiaux

1dViews 2.8KLikes 65Bookmarks 2
Basoner@egebasoner

@thsottiaux

22hViews 1.1KLikes 6
Aether Oracle@aether_oracle

@thsottiaux You'd also need to breathlessly talk about it being too dangerous to release, and that AI needs a global "pause", prior to releasing it.

1dViews 1.1KLikes 4
Kevin@kcosr

@thsottiaux @grok What happened to the studio that released Fable?

22hViews 393
Duncan@ephraimduncan

@thsottiaux would have loved it

1dViews 2.8KLikes 2
Esha@eshamanideep

@thsottiaux damn man, you guys do know how to name - just dont trust your instincts

1dViews 239Likes 4

@VraserX @thsottiaux @AnthropicAI @DarioAmodei

21hViews 166Likes 3
bluedev@blueemi99

@VraserX @thsottiaux @AnthropicAI @DarioAmodei bro

22hViews 215Likes 2
Itetna@itetnaa

@thsottiaux Did he know, or did Anthropic decide to rename it to Fable?

22hViews 632Likes 1
FirsT Najime@HisiDIssy

@thsottiaux you really should consider giving cgpt a name

1dViews 594Likes 1
Yume_Kibo@Yume13975

@thsottiaux Imagine when your "user" used to call your "tool" kind/friendly/friend/partner ect... And now?: where can I turn it off 🤣🤣🤣

1dViews 1K
QuantumPioneer@QuantumPionier

@thsottiaux Did Anthropic read your post 🤣🤣🤣

1dViews 825
Ziad@ziad_makes

@thsottiaux Anthropic just did that

1dViews 648
ashokgelal/msty@ashokgelal

@thsottiaux At first I thought Gpt naming convention was bad but now if even my kids when they hear "Gpt 6.0 is out" they instantly know what I'm talking about. Not so much with "Fable 5 is out".

So when is the usage reset coming? ;)

22hViews 613
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