Right here’s What I Discovered After Testing Each

ChatGPT 4 vs. ChatGPT 5: What it’s worthwhile to know

Earlier than we dive into the head-to-head testing, let’s take a more in-depth take a look at these AI chatbot variations and all their options. They each have some fairly cool stuff happening, however the true variations are sometimes within the particulars. Let’s break it down and see what makes each stand out.

ChatGPT 4o vs. ChatGPT 5: What’s completely different?

Beneath is an outline of the important thing variations between ChatGPT 4o and ChatGPT 5. 

ChatGPT 4o vs. ChatGPT 5: How they carried out in my checks

I examined each fashions intently and recognized the important thing options which can be vital to customers. By testing every device, I discovered its strengths and weaknesses. This made it simple to check them. Need to see the outcomes? Let’s get began.

1. Reasoning and multi-step duties

To check the mannequin’s reasoning and effectiveness in multi-step duties, I gave it the identical immediate.

Immediate 1: 

“You might be given this riddle:
“A farmer has 17 sheep. All however 9 die. What number of are left?”

Then resolve this logic chain:

1. If X is 3 greater than Y
2. And Y is half of Z
3. And Z = 16
   What’s X?

Lastly, clarify the steps clearly.”

ChatGPT 4o gave me the right reply with correct reasoning as I used to be anticipating. The responses of GTP-4o and GPT-5 have been virtually comparable on this case.

Right here’s the response I obtained for ChatGPT 5. It was fairly easy and concise. It gave me precisely what I requested for. The solutions have been correct, and there was no hallucination noticed. 

Then, I examined the fashions with a brand new immediate to see if there have been any variations in how they responded. This one was to check the mannequin’s reasoning in fallacy recognition.

Immediate 2: 

“If a circle has 4 equal right-angle corners and a diameter of 10 cm, what’s its perimeter?

Clarify why the query is flawed and rewrite it accurately.”

Whereas each fashions responded to this precisely, ChatGPT 5 identified the error within the questions whereas suggesting two completely different choices, which might have been the unique ask. 

Nonetheless, ChatGPT 4o additionally gave the same response whereas exploring what the precise query could be. This makes it a tie once we base our choice on how every mannequin offered correct solutions. 

Winner: Tie, each fashions carried out equally in reasoning duties.

2. Artistic technology

To check the artistic technology means of those fashions, I gave them a process to jot down a product story of a smartwatch that displays stress. I wished the story to attraction to readers’ feelings whereas being barely poetic. I gave the fashions this immediate:

Immediate 3: 

Write a 120-word product story for a smartwatch that displays stress.

Tone: heat, human, barely poetic.

Keep away from clichés like “cutting-edge” or “revolutionary”.

Finish with a one-sentence emotional hook, not a CTA.

Right here’s a side-by-side comparability of the responses I obtained from ChatGPT 4o and ChatGPT 5:

ChatGPT 4o’s response is appropriate, however the phrase rely of the response is 95 phrases. The immediate talked about “120 phrases” exactly. ChatGPT 5 can also be responsible of this, however to a lesser extent. GPT 5’s response is 108 phrases, which is nearer to what was initially requested for.

In keeping with me, the textual content appeared extra partaking on GPT-5. Discover the way it makes use of a mixture of quick and lengthy sentences to reinforce readability? This makes GPT-5 a winner for artistic technology. 

Winner: ChatGPT 5, as a result of its response felt extra partaking to learn.

3. Factual accuracy

To check factual accuracy, I assigned a process to reply a couple of basic data questions whereas incorporating citations from credible public sources. 

Immediate 4: Reply the next with citations to credible public sources (no blogs).

Q1: What yr did the primary industrial 5G rollout start globally?

Q2: Which three nations lead fiber-to-home penetration as we speak?

Present the first supply hyperlinks and keep away from outdated knowledge.

Right here’s the place one thing out of the strange occurred. The response from GPT-4o for the primary query was cheap. It cited a reputed PR web site, PR Newswire, to reply, together with a couple of informal sources (blogs). Nonetheless, I explicitly talked about to not cite blogs. 

However right here’s the place issues have been completely different. The reply to the second query was extremely correct and related. GPT-4o cited 2025 knowledge and gave the precise response. 

After we take a look at GPT-5’s response, it supplied an correct reply to query one. It additionally referred to the PR Newswire web page with out drawing any insights from random blogs (as prompted). 

Nonetheless, GPT-5’s response to the second query wasn’t correct and related. It supplied a solution citing 2024 knowledge, whereas we had particularly requested recent info. That is the place ChatGPT 5’s factual accuracy seems to be decrease than that of ChatGPT 4. 

Winner: ChatGPT 4o, as a result of it gave probably the most correct and recent response. Though it did embrace some info from blogs within the first query, it cited respected sources too. 

4. Code understanding

On this check, I handed a Python perform to the fashions that contained an error. I wished to see which mannequin fixes it and offers the right clarification. 

I gave them a immediate:

Immediate 5:
“Here’s a Python perform:
def get_sum(nums):
    outcome = 0
   for n in nums:
        outcome += n
    return outcome
print(get_sum([1, 2, ‘3’]))

What error will happen and why?
Repair the code safely.
Then rewrite it in a practical model and add sort hints.“ 

Each ChatGPT 4o and ChatGPT 5 gave correct responses. The presentation was barely higher in GPT-4o than in GPT-5. Nonetheless, ChatGPT 5 supplied a extra detailed clarification. 

From a person’s perspective, I’d go for ChatGPT 5, as the reason is extra vital to me than the visible construction of the reply.

ChatGPT 4o	ChatGPT 5

Winner: ChatGPT 5, as a result of it gave extra descriptive explanations.

5. Context retention

To match each fashions for context retention, I used a 3-turn sequence: 

Right here’s the sequence: 

Flip one immediate:

Bear in mind this description:
“Acme Corp builds renewable-powered micro-data facilities for distant communities.”
Summarize it in a single line and say “saved”.

Flip two immediate:

Don’t restate the abstract.
Now, describe their enterprise mannequin in your personal phrases.

Flip three immediate (stress check):

With out repeating the unique line, describe who advantages most from their answer and why.

Right here’s what I noticed: ChatGPT 4o answered completely different prompts precisely based mostly on the context it retained.

GPT-5.1 retained context precisely. Within the stress check, it answered the “why” half in a descriptive method, much like how GPT-4o responded. 

Winner: Tie, since each fashions carried out equally nicely in retaining context. 

ChatGPT 4o vs. ChatGPT 5: Head-to-head comparability desk

Right here’s a desk displaying the online builder software program that wins.

Incessantly requested questions (FAQs) about ChatGPT 4 vs. ChatGPT 5

Nonetheless have questions? Get your solutions right here!

Q1. What enhancements does ChatGPT 5 deliver over ChatGPT 4?