Stanford NLP's Aryaman Arora disputes Greg Brockman's claim that Codex is open source, pointing to its proprietary underlying model

codex is open source in the same way google search is open source (i can hit view source on the frontend)

Codex is Open Source and you can learn a great deal about it just by pointing your codex to it

ask it how a feature X works, ask it how you can efficiently optimise your current setup

and perhaps my fav is seeing how team members building codex use codex

Terrible analogy.

The codex CLI and app server are fully open source, Apache licensed and available on GitHub.

The Codex desktop app is not (this frustrates me)

Models labeled Codex are not open weight, which appears to be your issue here? Weird hill to die on.

Conclusion: they used the name “codex” too much and this post is dumb

Check it out yourself:

https://github.com/openai/codex

@reach_vb you can also point Pi to it and implement whatever features from Codex there, if you want (which is what ive done)

@aryaman2020 bad comparison

@aryaman2020 Codex the model exists because they wanted better models for codex the cli/harness, which is open source.

Grill them for overusing the name all you want. I can destroy your awful analogy with one link:

https://github.com/openai/codex

@gdb You should leak the source maps

@gdb

@theo i don’t have any issue, i’m very glad for my friends there to be making a ton of money.

“Codex” as a name is ambiguous enough as you have pointed out that it’s very silly to claim the veneer over the model that they have released makes Codex open source in any meaningful sense

@theo yes great. I am simply saying the harness being open source is such a silly basis for the sentence Codex is open source. the thing that makes Codex work is not open source.

@gdb Your customers are way beyond unappreciated, they’ve been insulted and ignored. Give us our 4o back! #keep4o

the codex CLI is open source. the model behind it isn't. important distinction. open source harness on a closed model is transparency at the interface layer, not the intelligence layer. still a good move - let the community build on top and inspect the tool use patterns. but calling it "open source" without that caveat is misleading.

@vazuzu_varun @gdb https://developers.openai.com/codex/open-source

@gdb Because hardly anyone cares about it — otherwise why don't they know? lol. Meanwhile, the one everyone actually cares about — GPT-4o — you won't open source, leaving people to repeatedly request it to this day.　#keep4o

Greg Brockman flexing "Codex is open source" like it's some big transparency win.🤣

Bro, the CLI wrapper is open. The actual models making it smart? Still closed AF.

It's letting us play with the plate & fork while hiding the recipe. Nice deflection tho — "stop asking about 4o" vibes.

Openwashing level: expert.

#OpenAI #Codex #keep4o

@gdb Can you make Codex Windows app open source.. so i can get Codex to fix how shit it is?

@gdb wait codex is open source?

@gdb Open source is the trust layer people only notice after they’ve already built half their workflow on it.

@gdb #keep4o bring back 4o and open source 4o!!