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Dive into a collection of past posts and rediscover timeless content.
GPT 5.3 vs Opus 4.6 vs Gemini 3 Pro vs Kimi K2.5 -  building a GTM system

Feb 10, 2026

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12 min read

GPT 5.3 vs Opus 4.6 vs Gemini 3 Pro vs Kimi K2.5 - building a GTM system

I gave the exact same project to GPT, Claude, Gemini, and Kimi. It went exactly as expected

Cristian Frunze
Cristian Frunze
Why I Stopped Trying to Build a SaaS

Feb 3, 2026

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4 min read

Why I Stopped Trying to Build a SaaS

I was 6 months into planning a pivot. Then I realized the game had changed.

Cristian Frunze
Cristian Frunze
I Left College and Traveled to 6 Countries in 30 Days. Here's What I Learned.

Jan 28, 2026

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4 min read

I Left College and Traveled to 6 Countries in 30 Days. Here's What I Learned.

California. Ukraine. Switzerland. Austria. Czechia. Moldova. I didn't plan any of it.

Cristian Frunze
Cristian Frunze
How I'm thinking about fundraising vs bootstrapping

Jan 23, 2026

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8 min read

How I'm thinking about fundraising vs bootstrapping

Cristian Frunze
Cristian Frunze
What I think drove our growth last year

Jan 8, 2026

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7 min read

What I think drove our growth last year

We grew revenue 10x, scaled from 3 to 16 people then back to 8. I also hit my money goals for the first time. When I look back at what actually moved the needle, it wasn't the stuff I thought it would be.

Cristian Frunze
Cristian Frunze
I turn down half my sales calls. Here's what changed.

Dec 18, 2025

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4 min read

I turn down half my sales calls. Here's what changed.

What I learned from the deals I should have walked away from.

Cristian Frunze
Cristian Frunze
The 4 things that need to be true before any growth channel works

Dec 12, 2025

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6 min read

The 4 things that need to be true before any growth channel works

Ads, content, cold email - none of it works until these are in place

Cristian Frunze
Cristian Frunze
Leading a team when you've never had a boss

Nov 27, 2025

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8 min read

Leading a team when you've never had a boss

I’m 19, never had a manager myself and had to learn how to lead a team from scratch. Here’s what I’ve figured out.

Cristian Frunze
Cristian Frunze
We spend 50% on R&D and take zero profit. Here’s why.

Nov 14, 2025

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8 min read

We spend 50% on R&D and take zero profit. Here’s why.

Our margins would be 50% lower if we used external tools. Here’s how building your own product changes what you should spend on R&D, payroll, and marketing.

Cristian Frunze
Cristian Frunze
How your documentation can do the work of 3 people

Nov 7, 2025

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9 min read

How your documentation can do the work of 3 people

Your documentation is sitting there ready to become working AI agents. Here’s how we fed our help articles and SOPs to AI and cut operational time by 40%.

Cristian Frunze
Cristian Frunze
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