Grok 3 is so good I just cancelled my Gemini Advanced subscription and set my homepage to Grok 3. Let’s run through 3 real world tests so I can show you what this model can do:

1) Grok as Investment Analyst. Lately, I’ve been thinking about changing the asset allocation of my index funds. So, I thought I’d ask Grok for some ideas.

I used Grok’s “Deep Search” capability on this one. Deep Search tells Grok to scour the internet for as much info as possible.

Here’s the prompt I used:

“Assume I have a portfolio of index funds. My goal with this portfolio is long term growth. How should I allocate this portfolio across different types of index funds? Consider options like US index funds, foreign stock index funds, etc. I am 39 years old, so my time horizon is long. My risk tolerance is high. What would be the best allocation, given all this information? Use the best research you can find to support your answer.”

Grok gave an excellent and incredibly detailed response. It searched 40 different sites, looking at high quality info from Vanguard, Investopedia, and Finra among others.

The response spanned several pages and included citations for key facts.

I used this exact same prompt in Gemini Deep Research recently. The results were comparable, although Gemini suggested a more aggressive allocation (no bonds).

The quality of Grok 3’s response was comparable to Gemini Deep Research. It also took much less time — maybe a minute versus around 5 minutes for Gemini.

So, I just cancelled my subscription to Gemini Advanced and reset my homepage from Gemini to Grok.

2) Find Me Some Startups! Since I spend my days meeting startups, I thought Grok could help me here too.

I used Deep Search here also. Here’s the prompt:

“What are the most interesting startups at pre-seed stage working on solutions to increase fertility? Consider startups to lower costs and improve effectiveness of IVF, and also startups to improve egg health for older women, among other possible ways to boost fertility.

Please only show me startups that have raised $750,000 or less in funding.”

Grok did a nice job here! It found me 5 fascinating startups from all over the world that are working on increasing fertility.

The results weren’t perfect. Some of the startups it showed me had raised more than $750,000. But overall, the results were impressive.

3) Optimizing My Meetings. Whenever I meet with a founder, I try to be as present as I can and learn as much as possible. But how can I improve my skills there?

I asked Grok for some advice. Here’s the prompt I used:

“As an angel investor, I meet with a lot of startup founders. I want to do the best job I can in those meetings. What are some tips to perform better, be more helpful, and learn more about the startups I meet with?”

Grok’s advice was excellent. I especially like the part about watching the non-verbal cues. So often, our facial expressions and body language say even more than our words do.

I asked some follow-up questions to Grok about evaluating those non-verbal cues. I want to get as good as possible at reading those so I can better understand the founders I meet.

Wrap-Up

Andrej Karpathy, co-founder of OpenAI, says Grok 3 is comparable to the best models out of OpenAI, including the $200/mo o1 pro.

In my testing, Grok 3 is as good as any model I’ve used. It excels in research, crawling dozens of websites at warp speed and serving up detailed answers to your questions.

It does all this faster than any model I’ve ever seen. And best of all, it’s currently free.

I really encourage you to give Grok 3 a try. It’s incredible!

More on tech:

DeepSeek vs. Gemini Deep Research: Which Model Is King?

ChatGPT Pro vs. Gemini Advanced vs. Grok vs. Claude

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