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GPT-5.3-Codex

openai.com

531–540 of 634 posts

Re: GPT-5.3-Codex

#531

Earlier quoted context omitted.

Sounds like the researchers behind https://ai-2027.com/ haven't been too far off so far.

We'll see. The first two things that they said would move from "emerging tech" to "currently exists" by April 2026 are: - "Someone you know has an AI boyfriend" - "Generalist agent AIs that can function as a personal secretary" I'd be curious how many people know someone that is sincerely in a relationship with an AI. And also I'd love to know anyone that has honestly replaced their human assistant / secretary with a…

People have been in love with machines for a long time. It's just that the machines didn't talk back so we didn't grant them the "partner" status. Wait for car+LLM and you'll have a killer combo.

Re: GPT-5.3-Codex

#532

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I think for many/most programmers = 'speed + output' and webdev == "great coding". Not throwing shade anyone's way. I actually do prefer Claude for webdev (even if it does cringe things like generate custom CSS on every page) -- because I hate webdev and Claude designs are always better looking. But the meat of my code is backend and "hard" and for that Codex is always better, not even a competition. In that domain,…

Actually for me the killer feature isn't Claude, but is the planning mode. It's a very nice UX for iteratively creating a spec that I can refine.

Codex has it as well now.

Re: GPT-5.3-Codex

#533
post #222

Using opus 4.6 in claude code right now. It's taking about 5x longer to think things through, if not more.

The notes explicitly call out you may want to dial the effort setting back to medium to reduce latency/tokens (high being default, apparently there is a max setting too).

There's 3 options to choose from on /model: Low, medium and high effort.

Re: GPT-5.3-Codex

#534
post #129

I am on a max subscription for Claude, and hate the fact that OpenAI have not figured out that $20 => $200 is a big jump. Good luck to them. In terms of model, just last night, Codex 5.2 solved a problem for me which other models were going round and round. Almost same instructions. That said, I still plan to be on $100 Claude (overall value across many tasks, ability to create docs, co-work), and may bump up OpenAI…

You should look into Kilo Pass by Kilo Code ( https://kilo.ai/features/kilo-pass ). It's basically a fixed subscription and your credits roll over each month, and you get free extra credits too which are used up first before paid credits. It's similar to paying for Cursor except the credits roll over which is why I'm contemplating moving to it, because I don't want to be locked into any one LLM provider the way Claud…

I was wondering how KiloCode Kilo Pass pricing compared to OpenRouter's top-up pricing, and did some digging and discovered the main difference is that OpenRouter provides a standard API key (sk-or-...) that works in any application (LangChain, curl, your own Python apps), while Kilo Pass credits are tied to the Kilo Gateway, which is designed to power the KiloCode Extension (VS Code/JetBrains) and CLI. KiloCode does not appear to allow you generate a "Kilo API Key" to use in your external Python scripts or third-party apps. But the monthly bonus credits are sweet.

Re: GPT-5.3-Codex

#535
post #453

Earlier quoted context omitted.

Exponential growth may look like a very slow increase at first, but it's still exponential growth.

On the other hand: Perception of change might not be linear but logarithmic. (= it might take an order of magnitude of improvements to be perceived as a substantial upgrade) So the perceived rate of change might be linear. It's definitely true for some things such as wealth: - $2000 is a lot of you have $1000. - It's a substantial improvement of you have $10000. - It's not a lot you have $1m - It does not matter if y…

$2000 is not substantial over $1b on the linear scale

Re: GPT-5.3-Codex

#536

Earlier quoted context omitted.

What amazes me the most is the speed at which things are advancing. Go back a year or even a year before that and all these incremental improvements have compounded. Things that used to require real effort to consistently solve, either with RAGs, context/prompt engineering, have become… trivial. I totally agree with your point that each step along the way doesn’t necessarily change that much. But in the aggregate it’…

The denial of this overall trend on here and in other internet spaces is starting to really bother me. People need to have sober conversations about the speed of this increase and what kind of effects it's going to have on the world.

The effects when extrapolated out aren’t good, IMO. Certainly bad for me, a mid 30s software engineer who’s been doing this for nearly 20 years…

Re: GPT-5.3-Codex

#537

Earlier quoted context omitted.

Unemployable is a charged word. A lot of outdated professions still have professionals. There are still professional horse drawn carriages. If the AI performance gains are 50% improvement, and companies decide they rather cut costs and pocket the difference, could be due to many factors, that leaves millions out of a job. And those performance gains are coming for many white collar jobs. I guess your premise is mass…

People still pay thousands of dollars for wedding photographers even though everyone at the wedding also has a camera and many are taking their own pictures. I am not a software engineer and it seems to me if someone has experience as a software engineer before LLMs, they have skills no one will really be able to acquire again in the same way. I would expect current software engineers to eat the entire non-customer f…

> People still pay thousands of dollars for wedding photographers even though everyone at the wedding also has a camera and many are taking their own pictures.

Wedding photography used to be the lowest in the pecking order of professional photography. Now all the photojournalists, travel magazine and corporate events photographers are as good as extinct. Even the arts market for photography been on decline for years.

Re: GPT-5.3-Codex

#538

Earlier quoted context omitted.

There are plenty of companies that sell an AI assistant that answers the phone as a service, they just aren't named OpenAI or Anthropic. They'll let callers book an appointment onto your calendar, even!

No, there are companies that sell voice activated phone trees, but no one is getting results out of unstructured, arbitrary phone call answering with actions taken by an LLM. I'm sure there are research demos in big companies, I'm sure some AI bro has done this with the Twilio API, but no one is seriously doing this. All it takes is one "can you take this to the post office", the simplest, of requests, and you're in…

https://www.instagram.com/p/DMfpj0hM7e0/

is obviously a staged demo but it seems pretty serious for him. He's wearing a suit and everything!

https://www.instagram.com/p/DK8fmYzpE1E/

seems like research by some dude (no disrespect, he doesn't seems like he's at big company though).

https://www.instagram.com/p/DH6EaACR5-f/

could be astroturf, but seems maybe a little bit serious.

Re: GPT-5.3-Codex

#539

Something that caught my eye from the announcement: > GPT‑5.3‑Codex is our first model that was instrumental in creating itself. The Codex team used early versions to debug its own training I'm happy to see the Codex team moving to this kind of dogfooding. I think this was critical for Claude Code to achieve its momentum.

Sounds like the researchers behind https://ai-2027.com/ haven't been too far off so far.

Only on HN will people still doubt what is happening right in front of their eyes. I understand that putting things into perspective is important, still, the type of downplaying we can see in the comments here is not only funny but also has a dangerous dimension to it. Ironically, these are the exact same people who will claim "we should have prepared better!" once the effects become more and more visible. Dear super engineers, while I feel sorry that your job and passion become a commodity right in front of you, please stay out the way.
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