Nicolas Bustamante

This is my living operating playbook for startups.

My agent manages my emails, SMS, WhatsApp, Telegram and pretty much everything to automate my personal life.

What does it take for an agent to keep working after you leave?

Why mixing a frontier model with a foreign harness quietly tanks performance, and what the open source code tells us about why.

How do agents actually remember me and my instructions?

I've been building AI agents at Fintool since GPT-3.5.

Every year, I go to Omaha to listen to Warren Buffett and Charlie Munger at the Berkshire Hathaway annual meeting.

Last week, Anthropic released industry-specific plugins for Claude's Cowork which is an AI agent designed specifically for knowledge workers that can autonomously handle complex research, analysis, and document workflows.

The Context Tax is what you pay when you fill your context window with useless tokens.

For decades, software companies commanded premium pricing not only for their data, but for their interfaces.

After 30 years of clicking, scrolling, and optimizing pixels, websites are becoming obsolete.

We just deleted thousands of lines of code.

I've spent the last two years building AI agents for financial services.

Product-market fit has a prerequisite that most AI founders ignore.

When you test frontier models on yesterday's benchmarks, you'll miss today's breakthroughs.

I’ve been working in AI and search for a decade.

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My team and I are building Fintool, Warren Buffett as a service.

My Journey with Warren Buffett As a dedicated Warren Buffett fan, I’ve made it a point to attend the Berkshire Hathaway Annual Meeting every year since I moved to the US.

Everyone wants the recipe to build a great product.

Why don’t you train your own large language model?

Hello friends, I co-founded Doctrine, one of the largest AI legal search engines, and despite working on a search product for years, ChatGPT blew my mind.

My crypto journey started in late 2012 when I encountered Bitcoin while reading about the free banking system for my high school thesis.

Today's story is about startup guys who work extra hard, match all their competitors' features, lower their prices, increase the scope of their free plan, spend millions to generate pennies, and give everything to kill their rivals because, after all, it's

Startupland is in panic mode.

Have you ever heard about the Fire Phone?

I'm used to getting asked how many employees work at my startup.

A guy starts a company and invests $1bn.

I was recently struck by how powerful leveraging a personal name can be.

Charlie Munger once said: "Show me the incentives, and I will show you the outcome."

Leverage usually refers to the use of debt to amplify returns from an investment.

Capitalism is ruthless.

According to Warren Buffett: "Price is what you pay, and value is what you get."

One of the most critical tasks at a company is the deployment of capital.

I previously wrote that "The Intelligent CEO has few options to deploy capital, including investing in the existing business, acquiring other companies, issuing dividends, paying down debt, or repurchasing stock."

I read The Dichotomy of Leadership by Jocko Willink and Leif Babin last weekend.

Last year, I read every book written by value investors that I could get my hands on.

I have recently read Extreme Ownership by Jocko Willink and Leif Babin, who spent several years leading SEAL platoons in Iraq and Afghanistan.

OKR stands for objectives and key results.

I love the following quote attributed to Einstein: "Compound interest is the eighth wonder of the world, who understands it, earns it, who doesn't, pays it."

I have recently re-read the excellent The Innovator's Dilemma by Clayton Christensen.

This essay's title is a tribute to the book The Intelligent Investor written by the father of value investing, Benjamin Graham.

I'm surprised to see the resurgence of the value versus growth investing debate.

The year 2020 reminded me of how extreme and uncertain life is.

I have been pretty aloof from the current frenzy regarding investments.

🎄Merry Christmas to you and your family!