Public transcript

Ben & Marc: Why Everything Is About to Get 10x Bigger

By: a16z
Length: 55 min
Language: English
Text from: the video's captions
Transcribed: 14 October 2026

Read the full transcript Open on YouTube

Notes in English.

Summary

Ben Horowitz and Marc Andreessen of a16z sit down with Packy McCormack to discuss his profile of the firm. They cover the shift in the media ecosystem, the Substack investment, why new technology markets are 10x bigger than the ones they replace, the firm's culture and reputation-based strategy, and what they look for in founders. They close with their excitement about AI and the Zoomer generation of founders.

Key points

Marc says the US is clearly entering a much more free speech world, calling it uncontrolled, anarchic, or liberated depending on your view.
a16z was the original and largest outside investor in Substack, which Marc credits for holding a principled free speech stance under enormous pressure.
The Substack investment was a bet on a supply-driven market: new monetization would bring into existence writers and content that didn't exist, creating new demand.
Ben told Ali at Databricks the company would be 10 times bigger than Oracle (~$2 trillion), based on the pattern that cloud companies are 10x their on-premise analogs.
a16z raised a $15 billion fund on the belief that AI is a reinvention of the computer and will change the entire way humans do everything.
The firm's core compounding advantage is reputation, which portfolio companies can borrow as a slingshot at critical points in their development.
Everyone who joins a16z must sign a culture document; the firm positions itself as dream builders, never criticizing founders or technologies.
Ben is most excited about AI's potential to improve quality of life; Marc is most excited about Zoomer founders, who are AI-native and unapologetic about success.
Great founders, per Ben, all think for themselves, have original ideas, and have enough charisma that people want to follow them.
The firm avoids big-company problems through organizational design modeled partly on the original Hewlett-Packard: small autonomous groups inside the firm.

Questions it answers

01:00Media and free speech

How has the media and free speech environment changed over the past decade?

Marc describes the new information environment as uncontrolled, anarchic, or liberated, saying the US is entering a much more free speech world. He credits Elon Musk's purchase of Twitter as a gigantic turning point and praises the Substack founders for holding the line on freedom of speech under enormous pressure.

Elon's Twitter purchase was a gigantic turning point.
Substack held a principled free speech line under enormous pressure.
a16z is Substack's original and largest outside investor.

04:12Why they invested in Substack

Why did a16z invest in Substack?

They never invest purely for social or political reasons; the goal is returns and building cornerstone franchises. Substack was a bet on a supply-driven market: monetization capability would bring into existence writers and content that didn't exist yet, creating new demand. The 'nonfungible writer' idea — writers building their own brands — proved true.

Substack was a bet on a supply-driven market.
The 'nonfungible writer' concept proved true.
Companies that become the best version of themselves often become the most successful businesses.

10:19The 10x bigger thesis

Why did Ben tell Ali at Databricks the business would be 10 times bigger than Oracle?

Comparing on-premise software companies to their cloud versions — PeopleSoft to Workday, Siebel to Salesforce — the cloud version was consistently 10 times bigger. Databricks was positioned to be the data provider in the cloud, so its market was clearly going to be 10 times Oracle's. Marc generalizes: supply-side breakthroughs unlock markets 10, 100, or 1000 times larger than existing models predict.

Cloud software companies were 10x bigger than their on-premise analogs.
Supply-side breakthroughs make markets 10, 100, or 1000x larger.
This will be the dominant trend in investing for the next 30 years.

15:42AI and the new computer

What does the $15 billion fund raise say about a16z's view of the future?

Ben says they have reinvented the computer, and the new one is far better than what they've built on for 50 years. They can't think of a problem — cancer, transportation, fraud — that AI won't be able to solve, so their entire way of doing everything as humans is going to change. The number of entrepreneurs will multiply because AI makes going from idea to product much simpler.

The new computer is far better than the one built on for 50 years.
AI makes going from idea to product far simpler.
Market sizing based on today's dynamics fails after supply-side breakthroughs.

20:59What the firm does for founders

How does a16z help founders beyond writing a check?

The firm is designed to move inventors into a virtuous confidence cycle: helping them reach important CEOs, recruit top engineers, market products, and reach government figures. Marc notes the real world is really big and messy — even Elon Musk finds this — so building the company around the product is an art and science. The dominant venture brand lets portfolio companies borrow a16z's force as a slingshot.

The firm is built to create a virtuous confidence cycle for founders.
The real world is really big and really messy, even for Elon Musk.
The dominant venture brand lets companies use a16z's force as a slingshot.

28:07Culture and reputation

What is a16z's culture and what competitive advantage does it compound?

Ben says they compound reputation, which transfers to portfolio companies. Everyone who joins must sign a culture document and sit through an hour with Ben; the core value is being dream builders, never criticizing founders or technologies. Their $300M first fund took six months and countless meetings to raise, while the $15B fund was raised essentially on reputation with one AMA each.

You cannot join the firm without signing the culture document.
Reputation is what the firm compounds; it transfers to portfolio companies.
Fund one took six months to raise; the $15B fund was raised on reputation alone.

38:59Organizational design

How does a16z avoid becoming a big company?

Ben points to organizational design: each group — crypto, infra, apps, American Dynamism — feels like a small, autonomous company with shared support for brand and fundraising. They studied the original Hewlett-Packard, which was a series of companies inside a company. Group leaders can't be hired from outside; they must have performed at the firm for a long time.

Groups like crypto, infra, apps, and American Dynamism operate like small autonomous companies.
They studied the original Hewlett-Packard's design.
Group leaders must have been at the firm and performed for a long time.

41:57The art of venture and the future

Can AI do the job of a venture capitalist, and what makes a great founder?

Marc frames venture as a centuries-old pattern of backing people with dreams and asymmetric payoffs — citing Queen Isabella and Columbus, the Mayflower, and the whaling industry — and says the intangibles are becoming more important, not less. Ben adds that history is a bad guide and that AI broke the mythical man month: you can now throw money at problems, as Elon did with foundation models. Great founders all think for themselves and have original ideas plus enough charisma to attract followers.

Venture is becoming more art and less science.
Great entrepreneurs are original thinkers with charisma.
AI is on the order of the steam engine or electricity.

Notes

Media and Free Speech

Marc describes the current information environment as

Text from the video's own captions. Summary and notes written by AI from the transcript, so check anything important against the recording.