OpenAI Debuts New GPT-4.5 Model for ChatGPT

[MacRumors]

OpenAI today introduced the next iteration of its AI models, GPT-4.5. GPT-4.5 is OpenAI's "best model yet" for chat purposes, with scaling in unsupervised learning that allows the model to better recognize patterns, draw connections, and generate creative insights.

GPT-4.5 has a more natural feel with an improved personality, and is able to better guide users through ideas and the steps that it takes to get to answers and ideas. It outperforms GPT-4o in almost every category, including everyday queries, professional queries, and creative intelligence.

Compared to GPT-4o, GPT-4.5 features a broader knowledge base, an improved ability to follow user intent, and a higher emotional quotient, which OpenAI says makes it useful for writing, programming, and solving practical problems. It could also hallucinate less.

OpenAI says that users can expect more warm and intuitive conversations more attuned to human collaboration because it is able to better understand what humans mean and it is better at interpreting subtle cues and implicit expectations.

Note that GPT-4.5 is not a reasoning model like o1 or o3-mini. It is better for general purpose use, and is built using pre-training and post-training. Reasoning models outperform GPT-4.5 at tasks like coding and math.

OpenAI is making GPT-4.5 available to Pro users starting today, with access coming to Team and Plus users next week. Education and Enterprise access will follow. Developers on all paid tiers will also get access to GPT-4.5 today.

GPT-4.5 supports file and image uploads and can work on writing and code, but it does not support Voice Mode, video, and screensharing.

Article Link: OpenAI Debuts New GPT-4.5 Model for ChatGPT

 

[Cirillo Gherardo]

Have they done anything about the file upload limits? I really want Chat GPT to update this one project for me but I need to be able to give a whole directory to look at.

 

[ShivneelSingh]

If we’re asking Siri, and she hands off to ChatGPT, is the latest GPT-4.5 being used?

 

[socialwill]

So, is this new model now considered the "top" or lower side? So many models, it use to be easier to understand 3.0, 4.0, etc.

 

[Kylo83]

Every day another ai company makes a new model we can’t even keep up.

 

[It’s always something]

If we’re asking Siri, and she hands off to ChatGPT, is the latest GPT-4.5 being used?

If you’ve linked your OpenAI Pro account to Siri it seems she will.

 

[Astuces iOS]

Does it beat o3 mini high, no, ok I won’t use it.

 

[dannyyankou]

It is crazy that they’re asking for $200/month to access the latest features. Even $20/month for Plus is ridiculous. I mean I get it doesn’t have ads to support it, but they charge for API access from services that use it at least.

 

[bLackjackj]

Every day another ai company makes a new model we can’t even keep up.

You don't need to "keep up",..just use the most current as you normally would.

For those like myself in a specific technology field, we need to know the precise model release version.

 

[ridgero]

What? 20 euros are ridiculously cheap… In one hour of ChatGPT you will have recouped the annual fee.

 

[bLackjackj]

It is crazy that they’re asking for $200/month to access the latest features. Even $20/month for Plus is ridiculous.

Then it's not for you. Why are you stressing? It's not crazy at all, when you consider the amount of money invested in each model.

 

[Kylo83]

I feel like every ai company is trying to out do another one

 

[raghu8912]

Waiting for deepseek to update their software now

 

[raghu8912]

I feel like every ai company is trying to out do another one

Competition is good for consumers.
I am still skeptical how much AI is going to help.

 

[kelake]

What? 20 euros are ridiculously cheap… In one hour of ChatGPT you will have recouped the annual fee.

It's a bargain. I have an assistant at my finger tips.

 

[FyrStrike]

For the first time in a long long time, I’m no longer using Google search. I’ve now made ChatGPT Search the default search engine on my iPhone.

For more complex tasks I use the app to create some great tools. Recently I had it building me a tool to manage my property finances. It found cost savings and tax benefits that I never knew before. And it even found grants that I could apply for to help with renovating the historical properties to their originality. And I did it all in a couple of hours.

If I were to use Google to do this I’d spend days looking for this information, sifting through search results and the linked pages, then have to read through articles and documents to find the information I needed. It would have taken weeks if not days.

So now I understand why all the SEO experts are moving to AI and GPT’s for optimization.

I am more suprised how quickly and seamlessly I had transitioned to ChatGPT Search.

 

[Macalway]

I'm going to ask it how not to lose everything in the Stock Market.

I'll post back if successful. If not, well it's been fun.

 

[contacos]

It is crazy that they’re asking for $200/month to access the latest features. Even $20/month for Plus is ridiculous. I mean I get it doesn’t have ads to support it, but they charge for API access from services that use it at least.

And we basically help them to train with every prompt ...

Either way, my company blocked the whole thing, down to its domain over privacy concerns and some new EU rule that requires everyone using AI for business to have participated in a training or something?

 

[AgeOfSpiracles]

It's a bargain. I have an assistant at my finger tips.

I use it aggressively in stops and starts. So when I hit a limit, I upgrade to paid and then continue... and then cancel when I'm done using it. You don't have to commit to $20 every month if you don't need it.

 

[AgeOfSpiracles]

For the first time in a long long time, I’m no longer using Google search. I’ve now made ChatGPT Search the default search engine on my iPhone.

For more complex tasks I use the app to create some great tools. Recently I had it building me a tool to manage my property finances. It found cost savings and tax benefits that I never knew before. And it even found grants that I could apply for to help with renovating the historical properties to their originality. And I did it all in a couple of hours.

If I were to use Google to do this I’d spend days looking for this information, sifting through search results and the linked pages, then have to read through articles and documents to find the information I needed. It would have taken weeks if not days.

So now I understand why all the SEO experts are moving to AI and GPT’s for optimization.

I am more suprised how quickly and seamlessly I had transitioned to ChatGPT Search.

Yep. I still use duck duck go for obvious stuff like "2025 F1 schedule" or "Rec Center hours". But for any more complex than that, it's ChatGPT now. For ex, today I had an issue with users on a file share and it's just great to just ask "How does the SMB 3 protocol handle this situation?" I'll never become an SMB expert this way (if such a thing even exists lol), but I don't want to be; I just need the information.

 

[iPhoneFan5349]

You don't need to "keep up",..just use the most current as you normally would.

For those like myself in a specific technology field, we need to know the precise model release version.

The thing with chat got is that you don’t even know because it depends on where you use it. If I go to the website it shows me a mini version that I guess is worse than the non mini version.

 

[iPhoneFan5349]

For the first time in a long long time, I’m no longer using Google search. I’ve now made ChatGPT Search the default search engine on my iPhone.

For more complex tasks I use the app to create some great tools. Recently I had it building me a tool to manage my property finances. It found cost savings and tax benefits that I never knew before. And it even found grants that I could apply for to help with renovating the historical properties to their originality. And I did it all in a couple of hours.

If I were to use Google to do this I’d spend days looking for this information, sifting through search results and the linked pages, then have to read through articles and documents to find the information I needed. It would have taken weeks if not days.

So now I understand why all the SEO experts are moving to AI and GPT’s for optimization.

I am more suprised how quickly and seamlessly I had transitioned to ChatGPT Search.

That’s what people don’t get. ChatGPT is a search engine but it actually does everything for you. If you want to research a topic you would normally have to go through lots of links reading the subjects and maybe you don’t even get the answer that you are looking for. With ChatGPT or other AIs (for me DeepSeek is way way better) they do the research for you and tell you what you need to know

 

[Plutonius]

Is 4.5 codenamed Hal .

 

[CarAnalogy]

For the first time in a long long time, I’m no longer using Google search. I’ve now made ChatGPT Search the default search engine on my iPhone.

For more complex tasks I use the app to create some great tools. Recently I had it building me a tool to manage my property finances. It found cost savings and tax benefits that I never knew before. And it even found grants that I could apply for to help with renovating the historical properties to their originality. And I did it all in a couple of hours.

If I were to use Google to do this I’d spend days looking for this information, sifting through search results and the linked pages, then have to read through articles and documents to find the information I needed. It would have taken weeks if not days.

So now I understand why all the SEO experts are moving to AI and GPT’s for optimization.

I am more suprised how quickly and seamlessly I had transitioned to ChatGPT Search.

It reminds me of the early days of Google search, when it was incredible that they had indexed the entire Internet!

Of course as people do, people immediately began to game that system from both inside and out for personal gain.

And so here we are. At the early stages of a new revolution, where it's made to impress the users and be as fast and awesome as it can be.

Enjoy it, before the enshirttification begins.

As ChatGPT itself even said to me the other day, talking about itself, "the monetization creep is inevitable."

 

[delsoul]

$20 a month has been an absolute steal in how much time I’ve saved solving some major data analytics and coding issues. The amount of money saved just from time saved alone can’t even be described. I typically work alone and it’s like having a “coworker” with me that knows a whole lot more than I do. It’s meant to be a tool, not a crutch, but it’s been beyond helpful for me. Wish I could afford the $200 organization version but that’s a bit beyond my current needs. Even $200 for someone getting a good income in return if they’re using ChatGPT to solve their issues is a drop in the bucket with how much it would cost them in most resources otherwise. I do prefer Claude in some ways but their file limit is absolutely atrocious. Can barely upload anything without it telling you you’re over the limit, load something smaller, etc.