Can GPT-5 beat the reigning champion, Elon’s Grok 4? I ran them through 3 tests to find out.
When Grok 4 came out last month, I asked it 3 real world questions that I actually needed the answer to. Grok 4 crushed it, scoring an A-.
Can GPT-5 do even better? Let’s find out…
Round 1: GPT-5 As Investment Analyst
For our first round, I asked GPT-5 to help me manage my investments. How should I allocate across index funds, bonds and cash?
GPT-5 gave a solid response, recommending a portfolio of mostly equities. This makes sense at my age, 39.
But GPT-5 also recommended something unusual: a special allocation to small cap/value stocks.
I’ve asked numerous top AI models about financial planning, and none of them recommended this.
Since total stock market index funds already contain those type of companies, this allocation seems duplicative. GPT-5’s sourcing was also weak here, pointing to a Wikipedia article rather than a reliable, primary source.
GPT-5’s recommendation wasn’t bad, but it was overly complex without much additional benefit. For this round, I’m going with Grok 4.
Round 2: GPT the VC
For its next assignment, I asked GPT-5 to find me some startups.
People are having kids later in life. This means the need for IVF is going to grow enormously.
What startups could help make IVF cheaper and more reliable? Let’s ask GPT…
I had GPT focus on pre-seed companies with under $750k in funding. It could only find one startup that met my criteria: a company called Microgenesis.
The company looks interesting, but Crunchbase shows it has raised over $2 million in funding. So, the one startup GPT could find doesn’t even meet my criteria.
Grok 4 found several startups that fit my criteria when I tested it last month. In this round, Grok blows GPT-5 away.
Round 3: Make Me a Better Angel Investor
I meet with a lot of founders. I often wonder, “how could I do a better job in these meetings?”
Let’s ask GPT-5…
GPT gave some solid ideas, like making sure to show interest in what the founder is doing. But its response was much more limited than Grok 4’s.
Grok 4 added helpful advice about how to build dealflow and diversify my portfolio. Those are great things to keep in mind, especially for newer angels.
GPT-5 gave an adequate response, but Grok 4 was much more informative. I’m giving this 3rd and final round to Grok.
Wrap-Up
Grok 4 crushed GPT-5 in my testing, winning 3/3 rounds. Overall, I’m giving GPT-5 a B-.
Compared to Grok, GPT-5’s answers were very basic. The information was sometimes inaccurate and sourcing was spotty at best.
GPT-5 is a disappointment. After a 2 year wait from GPT-4 to GPT-5, I was expecting a lot more.
OpenAI had something special in 2022. But now, they’re falling behind.
I get better results from Grok 4 and Gemini 2.5 Pro. And for coding, Claude rules the roost.
If Sam wants to justify that $500 billion valuation, he needs to step it up.
Have a great weekend folks!
More on tech:
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