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ZDNET’s key takeaways
- Completely different AI fashions win at photos, coding, and analysis.
- App integrations typically add pricey AI subscription layers.
- Obsessing over mannequin model issues lower than workflow.
The tempo of change within the burgeoning generative AI world is blisteringly quick. It is typically exhausting to maintain up with all the pieces, even when it is your full-time job. Readers inform me that one space they discover notably complicated is the big selection of poorly-named AI fashions. What within the heck is the distinction between GPT-5.2, Opus 4.5, Gemini 3, and so on.? And why would you utilize one over the opposite?
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To be trustworthy, making an attempt to totally perceive the detailed variations between every of the AI fashions will ship nearly anybody screaming into the woods. But it surely’s pretty simple, particularly with examples, to grasp which fashions to decide on for various duties. That is what we’ll do on this article.
Needless to say apps and AI fashions are completely different beasts. The mannequin is the underlying AI engine that does the intelligence processing. The appliance is the device you utilize. This is a diagram, created in Google’s Nano Banana Professional, that will get it principally proper.
However in the identical method that completely different automobiles use completely different sorts and types of engines, completely different purposes use completely different fashions. For instance, I gave the very same immediate that produced the above diagram to ChatGPT’s picture generator (on the left) and Midjourney’s picture generator (on the appropriate), and we received these outcomes:
As you may see, ChatGPT’s result’s easy and pretty clear, whereas Midjourney went each overboard whereas additionally concurrently not really following the immediate. Midjourney is nice for conceptual photos (like my bunny outdoors a restaurant creation proven on this article), nevertheless it’s pretty horrible at diagrams.
Additionally: Gemini vs. Copilot: I in contrast the AI instruments on 7 on a regular basis duties, and there is a clear winner
That mentioned, at all times take into account my pal Vinnie Moscaritolo’s description: “AI isn’t the sharpest tool in the box. Sometimes it gets it perfect, and sometimes it dives straight into the rabbit hole of stupid like it packed a lunch for the trip.” Rabbit gap of silly. Gotta keep in mind that phrase.
(Disclosure: Ziff Davis, ZDNET’s guardian firm, filed an April 2025 lawsuit in opposition to OpenAI, alleging it infringed Ziff Davis copyrights in coaching and working its AI programs.)
The associated fee/revenue issue
Most AI firms promote their fashions each as APIs (which programmers can incorporate into their purposes) and as chatbot purposes. Needless to say an AI chatbot is not an AI by itself. An AI chatbot like ChatGPT is known as a chat software (like a messaging app or Slack) that calls into an AI mannequin for intelligence work.
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Whereas there are some actually good free AI chatbots, when you begin utilizing them quite a bit, you are seemingly to purchase into a number of of the roughly $20/month plans every affords.
You’ve got in all probability seen what number of software program distributors are actually together with AI capabilities. I have been a QuickBooks On-line person for a few years, however now QuickBooks is all about pitching “upgrades” to promote you AI agent subscriptions.
Some distributors permit you to use the AI capabilities from the paid chatbot plans you are already paying for inside their apps. However most software distributors need that further income stream. Even if you happen to already pay for AI fashions like GPT-5.2 or Opus 4.5 via your chatbot plan, most software program distributors incorporating AI will cost you their very own price for entry to these fashions.
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The way you resolve what to make use of must be based mostly on what you want. To assist out with that call, I will go over the fashions I exploit for lots of the completely different duties I do for work. Needless to say I hardly ever select the mannequin first. I select the duty and software, and the mannequin often comes as a part of that software.
Creating explainers
An ideal instance of that is Google’s NotebookLM, a device I added to my equipment about six months in the past and now use at the least weekly.
NotebookLM is a pocket book device built-in with a language mannequin (therefore, NotebookLM). However I do not use it as a pocket book. Whereas some people like that functionality, NotebookLM has a superpower: it creates audio explainers based mostly on the supply materials it is supplied with.
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You possibly can select whether or not you need straight audio or an audio monitor accompanied by slides. Largely, I simply go for the straight audio. Each time I get a very dense doc, press launch, or technical paper, I feed it into NotebookLM. About quarter-hour later, the app produces a dialogue exploring the important thing factors and essential problems with no matter I’ve fed to it.
To be clear, I by no means use that output immediately in my work. But it surely’s an effective way to get some fast triangulation on the large points associated to no matter I am engaged on.
Google does not explicitly describe the mannequin underlying NotebookLM, however once I requested Gemini immediately, it mentioned it was based mostly on Gemini 3.
Figuring out key phrases
- Fashions used: GPT-4o, GPT-5, GPT-5.1, GPT-5.2
Discover that I listed three fashions above. That is as a result of OpenAI up to date them. As they have been up to date, the mannequin I used mechanically upgraded as nicely. That is why I do not need you to obsess on mannequin variations. Should you learn this in three months, all of the fashions shall be completely different.
On this case, I am utilizing a self-hosted net archiving software referred to as Karakeep. Karakeep changed Pocket as my method of storing articles I’ve discovered for future use in analysis. One factor that Karakeep does that Pocket by no means might is create actually nice automated key phrases.
Karakeep does this utilizing the API from OpenAI. As a result of the self-hosted Karakeep is open supply and does not contain any subscription price, its does not take its AI tax out of charges. As an alternative, I exploit an API key supplied by OpenAI, and pay OpenAI based mostly on my utilization.
I’ve 24,594 objects listed in Karakeep. Transferring my listings from Pocket to Karakeep took about two months, as a result of Karakeep needed to rescan each article. It additionally referred to as out to OpenAI so the AI might generate key phrases. That course of value me about $40.
Because the authentic conversion, I’ve been billed $5 each couple of months. Effectively price it.
Coding
- Fashions used: ChatGPT 5.2, GPT-5.2-Codex, Claude Opus 4.5
I exploit AI fashions in two very alternative ways when coding. For tasks the place I am dropping a bit of code into the chatbot and asking what it does, what’s incorrect with it, or why I am getting an error message, I have never discovered something higher than ChatGPT Plus utilizing GPT-5.2.
After I examined the free chatbots for coding prowess, Microsoft Copilot really beat ChatGPT. And once I later examined the paid model of Claude in a chatbot, Opus 4.5, it failed half my checks. However the $20/month ChatGPT Plus, utilizing the newest GPT, has reliably finished an important job.
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Nonetheless, once I do agentic coding, I’ve discovered that OpenAI’s Codex utilizing GPT-5.2-Codex and Claude Code utilizing Opus 4.5 are astonishingly nice. Agentic AI coding is once I hook up the AIs to my improvement atmosphere, let the AIs learn my whole codebase, after which do substantial, multi-step duties.
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For instance, I used Codex to put in writing 4 WordPress plugin merchandise for me in 4 days. Only recently, I have been utilizing Claude Code with Opus 4.5 to construct a complete complicated and complex iPhone app, which it helped me do in little sprints over the course of about half a month. Later, I used it to construct a Mac app and an Apple Watch app. I spent $200 for the month’s use of Codex and $100 for the month’s use of Claude Code.
It does astonish me that Opus 4.5 did so poorly within the chatbot expertise, however was a celebrity within the agentic coding expertise, however that is a part of why we’re completely different fashions. AI distributors are nonetheless understanding the kinks from this nascent know-how.
Notion databases
- Fashions used: Claude, ChatGPT, Gemini
Regardless of my annoyance with Notion’s prioritization of AI upsells over primary product performance, I lastly broke down and paid Notion’s AI tax for the yr. It does not name it that, after all. As an alternative, it affords very restricted AI trial capabilities with its $12/month Plus plan. You need to improve to the $24/mo marketing strategy to get the AI options for actual. I saved a couple of bucks by shopping for the yr directly, which made my efficient month-to-month price $20/month.
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There are two issues I exploit Notion AI for. The primary is looking and summarizing my article drafts. ZDNET does not permit outdoors AIs to entry its articles, however I typically must dig again into my earlier articles to assessment what I’ve written.
I can level Notion AI to my draft library, and it’ll scan your complete factor, not simply looking for articles, however summarizing what I’ve beforehand mentioned. That is nice for assignments like “Summarize what I’ve written about home labs by looking in the blogs database.”
Word: I do not use this AI-generated content material in my articles. It is solely for planning functions.
As you may see from the screenshot above, I can pop open the Notion AI window and ask questions of it, proper whereas I am writing. The article you see within the screenshot is this text, nonetheless being drafted.
The opposite factor Notion AI does for me is to show big lists into categorized databases. I did a venture the place I gathered collectively a big listing of AI-related programming instruments, however I wished to have the ability to choose and consider instruments by distributors and classes. I gave Notion the listing, and it created a database for me. It wasn’t good, however it’s usable.
Notion does not use only one mannequin. It tends to leap between Claude, ChatGPT, and Gemini (and their numerous fashions) relying on what it thinks will do the job finest and which mannequin can do it for the least value.
Speech recognition
I exploit the Mac’s dictation characteristic very often. My little pup likes to sleep on my left shoulder. That is cute, nevertheless it makes it considerably troublesome to kind with two fingers. So I exploit my mouse with my proper hand, and sometimes dictate small blocks of textual content utilizing the Mac’s native dictation characteristic.
Lately, I’ve begun exploring dictation applications that provide extra superior speech recognition and evaluation capabilities. One such device is Paraspeech. Paraspeech affords two options I discover fairly compelling.
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First, you pay simply as soon as. There is not any subscription price. That is attainable resulting from its second characteristic: the AI runs by yourself machine. Once you set up Paraspeech, it downloads a variation of the Nvidia Parakeet speech recognition mannequin. The good thing about that is that your speech does not get despatched to the cloud. It simply stays in your machine.
This instance exhibits how an AI mannequin can differ significantly from different fashions. This mannequin runs proper alone machine. It is designed particularly to do speech recognition. And it is included inside the applying, slightly than referred to as by it. That enables the developer to cost a one-time price with out having to pay utilization charges again to the AI vendor. It might additionally give the developer a gross sales benefit, as a result of paying as soon as is one thing fairly enticing to most customers. All of us pay subscription charges when we’ve got to, however no person likes them.
Deep analysis
- Fashions: GPT-5.1 Pondering (in ChatGPT Professional)
Deep analysis is the method by which the AI spends a whole lot of time determining solutions and offering data. It typically makes use of a ton of AI assets, so it prices extra to entry. Again once I had the $200/mo Professional subscription for my programming, I additionally used Deep Analysis to do some pretty superb issues.
My favourite instance was once I requested Deep Analysis to create a advertising and marketing briefing doc from supply code. I used a slightly lengthy immediate, so I am simply going to summarize. What I advised it was that there is a pretty normal course of the place engineering managers temporary advertising and marketing and product managers on what a bit of know-how does.
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Advertising managers then use that briefing, which incorporates options, tech tidbits (suppose Apple presentation) and use circumstances, as a basis to assist them produce all their advertising and marketing supplies and actions.
However I did not have an engineering supervisor. As an alternative, I advised Deep Analysis to learn all 12,000+ strains of code from the supply code recordsdata, and from them, intuit what the merchandise did, and from that, write the briefing paperwork. The outcomes have been astonishing. The AI received a number of minor issues incorrect, however they have been simple to appropriate.
I then upped the ante by taking these briefing paperwork and feeding them to NotebookLM, which produced compelling, voice-annotated slide exhibits describing the merchandise. It was superb, fascinating, and terrifying, all on the similar time.
Internet-net-net although, since I am my very own engineering and product supervisor, the 2 AIs collectively in all probability saved me 60-80 hours of product administration work. I’ve since downgraded my ChatGPT tier to ChatGPT Plus, which does not explicitly supply “Deep Thinking,” however the GPT-5.2 Pondering mannequin is fairly highly effective all by itself, for lots much less value.
Evaluation, search engine optimisation, and normal use
My go-to device for normal enterprise help AI operations has been the Plus tier of ChatGPT. Whereas it could often be extremely uncooperative, it is also principally helpful. Even when I did not write about AI for a residing, I would in all probability preserve my $20/month subscription. I often preserve the mannequin set on Auto mode, which lets the AI select the processing stage for every immediate.
My spouse lately purchased a Plus subscription. She has been going nice weapons with ChatGPT, discussing the nuances of spiritual arcana. She’s each pretty religious and pretty academically inclined, so ChatGPT has been massively enjoyable for her. I notably benefit from the moments when she calls ChatGPT out in a fib or fabrication, as a result of that conduct each amuses and annoys her on the similar time.
When it comes to sensible use, I discover the Plus tier to be notably useful doing information evaluation. I feed it massive spreadsheets of various sorts of information, like sentiment evaluation, and have it crunch it, digest it, discover the important thing points, and provides me again outcomes. I additionally use it to assist select search engine optimisation key phrases for my YouTube movies.
Up till now, no different chatbot has been as broadly helpful. Nonetheless, Gemini 3 appears prefer it may give ChatGPT a run for its cash. Gemini 3 has solely been out for per week or so, which is why I haven’t got sufficient expertise to match them. However, who is aware of, in six months this class may listing Gemini 3 as the favourite mannequin as a substitute of GPT-5.2.
Instruments and fashions I do not use
Among the many massive names, I do not use Perplexity, Copilot, or Grok. I do know Perplexity makes use of a number of fashions, nevertheless it’s simply by no means resonated with me. It is recognized for search, however the few occasions I’ve tried some searches, its outcomes have been meh. Additionally, I can not stand the truth that it’s a must to log in by way of e mail.
Copilot is an attention-grabbing case. It did nicely within the free coding evaluations, nevertheless it’s very Microsoft-centric. Although I used to be as soon as all-Redmond, on a regular basis, I barely ever use Microsoft merchandise now. I preserve my household subscription to Microsoft 365 Household as a result of I do know Excel and PowerPoint just like the again of my hand. However I simply do not do Excel or PowerPoint work a lot anymore. Copilot is tightly built-in with these instruments, so it simply hasn’t confirmed to be that compelling but.
As for Grok, I used to be stunned how nicely it did in my coding checks. But it surely does not maintain an agentic candle to both OpenAI’s Codex or Claude Code. It additionally did an important job on my journey itinerary take a look at in my free chatbot checks. But it surely nonetheless appears inconsistent, and there are higher choices simply accessible. I’ll proceed to check it, and nothing is forged in concrete, nevertheless it’s off my listing for now.
Additionally: Google’s $8 AI Plus plan is right here – must you swap from the $20 Professional?
You might also have seen that I did not discuss AI-generated video. I have never actually had a lot of an event to do a lot with AI video, apart from my early Sora 2 analysis for ZDNET. I am certain I will do extra. After I do, I will write about it right here. Additionally within the video class, I am definitely hoping that Apple provides extra and higher AI capabilities to Closing Lower Professional, which is my most well-liked video editor.
Oh yeah. Apple. Nope. Sorry. Nothing to see right here. Apple simply hasn’t been on my radar a lot for AI. I attempted its Coding Intelligence characteristic in Xcode, and it simply crashed on a regular basis. Apple’s full lack of AI illustration in articles like that is unhealthy information for the corporate. The Cupertino big actually must up its AI sport, and quick.
What about you?
What about you? Do you actively select completely different AI fashions relying on the duty, or do you principally follow one favourite device? Have you ever discovered sure fashions to be clearly higher for photos, coding, analysis, or writing? Are there any instruments talked about right here that stunned you, or ones you strongly disagree with? Tell us within the feedback under.
You possibly can comply with my day-to-day venture updates on social media. Make sure you subscribe to my weekly replace publication, and comply with me on Twitter/X at @DavidGewirtz, on Fb at Fb.com/DavidGewirtz, on Instagram at Instagram.com/DavidGewirtz, on Bluesky at @DavidGewirtz.com, and on YouTube at YouTube.com/DavidGewirtzTV.
