Codex has gotten very good
Corey Quinn@QuinnyPig
Okay I owe my @OpenAI friends an apology for sleeping on Codex. I was not aware how strong your game was. This is... really quite something.
10:14 PM · Jun 30, 2026 · 6.9K Views
Developer @QuinnyPig walks back skepticism of OpenAI Codex, admitting he underestimated its code-generation capabilities
OpenAI founder Greg Brockman highlighted the testimonial.
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Sentiment
Positive users praise OpenAI Codex for recent gains in speed, accuracy, and real-work capability, while negative users point to Mac overheating, high CPU use, and question whether the improvements are new.
Pos
69.2%
Neg
30.8%
16 comments with sentiment.
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VIEWS97
BijanBowen@bijanbowen
@gdb I'm an OG user of it
2hViews 97
LIKES2
William@Q_samas
@gdb So,when GPT-5.6?
2hViews 36Likes 2
REPLIES1
Joey@aijoey
@AIandDesign @gdb i'm looking forward to 5.6 in there.
2hViews 14Likes 1
⭕ AI & Design (Marco)@AIandDesign
@gdb You guys are going to kill it when GPT-5.6 turns out to be good and not as nerfed as Fable. I'm ready to switch everything to Codex.
2hViews 46Likes 1
hokkk01@geumjeonghyeon2
@gdb Nah, Codex didn’t just get good it’s been good for ages lol
2hViews 51
rahul@ErRahul337
@gdb Codex leveling up nicely, but what’s your plan against Claude desktop app?
2hViews 78
J A X 🐬TermMax@HieuTrinhVn
@gdb Yeah, it’s wild how much it improved. 😁
2hViews 50
Mikhail Rogov@i_mika_el
@gdb yeah. with the right setup it can do real work now. the remote control part is underrated
2hViews 49
Adam@adamcohenhillel
@gdb Yep - it is great!
The remote experience can be improved, the syncing between my macbook and my remote mac server is not the best
2hViews 47
Joey@aijoey
@gdb codex is very good. theres so much you can unlock in there,that when you find out it can do a certain task, your shocked. i'm always finding new ways to use it.
2hViews 36
Yapay Zeka Radarı@yapayradar
@gdb Codex iyi ama asıl soru şu: yazılımcı deneyiminde ne değişti? Benchmark'ta %95 geçtiyse de production'da gözlemlenen hız/maliyet iyileşmesi varsa bile, çoğu şirket hâlâ code review süresini azaltamıyor. Tooling mu, iş akışı mı sorun?
🧠 Günlük AI radarın: @yapayradar — takip et.
2hViews 35
appcaster@Himomohi
@gdb Will GPT-5.6 be released tomorrow?! 🤞
2hViews 35
Strata@ChainZenit
@gdb it's honestly moving so fast lately
2hViews 34
Raf@s_rafcon
@gdb For some yeah.
2hViews 30
Quipra@Quipra_
@gdb Only issue is that running Codex on my Mac heats it up and also uses almost all of my CPU. It is hotter and drains more battery on my Mac than exporting an hours-long video in After Effects.
2hViews 22
OpeningAi.com | For Sale@openingai_com
@gdb The speed and accuracy are definitely hitting a new level!
2hViews 19
BullBear.News@bullbear_info
@gdb Works in the demo repo, not in ours.
2hViews 15
Eclipse 🌖@ECLresearch
@gdb Noticed a sharp drop in hallucination rates on my recent long-context tests too. The reasoning pipeline improvements are becoming visible in production.
2hViews 13
Strikerglows@strikerglows
@gdb Strongly agree and know I will basically only be using it for cheap weak model work now that Fable is back until Sol or Terra are actually made available. 5.5 is simply outclassed on what it does best for everything but cost.
2hViews 12
爱泪不分@lcx4541626
@gdb Yeah nice 😊
2hViews 12
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