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a16z's David George on the Most Controversial Bet at a16z & Do Margins and Revenue Matter in AI?

David George is a General Partner at Andreessen Horowitz, where he leads the firm's Growth investing team. His team has backed many of the defining companies of this era, including Databricks, Figma, Stripe, SpaceX, Anduril, and OpenAI, and is now investing behind a new generation of AI startups like Cursor, Harvey, and Abridge. ----------------------------------------------- Timestamps: 00:00 Intro 01:24 Why Everyone is Wrong: Mega Funds Does Not Reduce Returns 07:13 The Biggest Advantage of Staying Private for Longer 11:02 Is Public Market Capital Actually Cheaper Than Private Capital? 22:42 The #1 Investing Rule for a16z: Always Invest in the Founder's Strength of Strengths 30:23 Does Revenue Matter as Much in a World of AI? 30:54 Does Kingmaking Still Exist in Venture Capital Today? 43:48 Do Margins Matter Less Than Ever in an AI-First World? 47:01 My Biggest Miss: Anthropic and What I Learn From it? 48:15 Has OpenAI Won Consumer AI? Will Anthropic Win Enterprise? 52:50 The Most Controversial Decision in Andreessen Horowitz History 55:59 Why Did You Invest $300M into Adam Neumann and Flow? 59:17 Quick-Fire Round ----------------------------------------------- Subscribe on Spotify: https://open.spotify.com/show/3j2KMcZTtgTNBKwtZBMHvl?si=85bc9196860e4466 Subscribe on Apple Podcasts: https://podcasts.apple.com/us/podcast/the-twenty-minute-vc-20vc-venture-capital-startup/id958230465 Follow Harry Stebbings on X: https://twitter.com/HarryStebbings Follow David George on X: https://twitter.com/DavidGeorge83 Follow 20VC on Instagram: https://www.instagram.com/20vchq Follow 20VC on TikTok: https://www.tiktok.com/@20vc_tok Visit our Website: https://www.20vc.com Subscribe to our Newsletter: https://www.thetwentyminutevc.com/contact ----------------------------------------------- #20vc #harrystebbings #davidgeorge #a16z #ai #margins #revenue #lessons #megafunds

David GeorgeguestHarry Stebbingshost
Dec 14, 20251h 11mWatch on YouTube ↗

At a glance

WHAT IT’S REALLY ABOUT

a16z’s David George Defends Big Funds, AI Bets, And Flow

  1. David George, a general partner at Andreessen Horowitz, explains why large venture funds can still deliver top-tier multiples, arguing that private markets’ growth and later-stage value creation justify their scale.
  2. He outlines how AI is reshaping venture economics: rapid revenue ramp, different margin expectations, the need to prioritize return on invested capital, and the critical importance of engagement and retention over headline ARR.
  3. George discusses category dynamics in AI (models vs applications), king-making and capital-as-a-weapon, and how a16z uses its growth fund to correct missed early-stage bets while navigating competition and conflicts.
  4. He also defends controversial bets like Flow by emphasizing “strength of strengths” in founders, and highlights future opportunities in robotics and personal health as the next major AI-driven markets.

IDEAS WORTH REMEMBERING

5 ideas

Large venture funds can still generate strong multiples when private markets are bigger and companies stay private longer.

George notes a16z’s best-performing fund is a $1B vehicle, with single positions like Databricks and Coinbase returning multiples of the entire fund, enabled by trillions in private market cap and later-stage value creation.

In AI, growth must be judged by engagement and retention, not just fast ARR.

Because AI products can race to $100M revenue quickly, a16z now scrutinizes short-cycle retention and deep product usage (e.g., Gamma, ElevenLabs, Decagon) as leading indicators of durable value rather than transient hype.

Gross margins in AI are temporarily messy, so investors should tolerate lower margins if value and usage are real.

Token costs are falling but usage is exploding with reasoning-heavy workloads; George expects margin structures to eventually resemble cloud—an oligopoly of model providers with solid margins and acceptable costs for customers.

Focusing on ‘strength of strengths’ in founders beats over-weighting theoretical competition or TAM fears.

Many misses (e.g., ElevenLabs, Deel B round) stemmed from overestimating future competition or underestimating markets; George stresses backing spiking strengths in founders, even when there are obvious weaknesses or risks.

Growth funds can and should fix early-stage errors of omission—if done in tight partnership with the venture team.

Roughly half of a16z’s growth checks are follow-ons from internal venture deals and another 15% are follow-ons from prior growth investments; they actively ask early-stage partners which missed companies they now regret.

WORDS WORTH SAVING

5 quotes

Our best performing fund in the history of the firm is actually a one-billion dollar fund.

— David George

If you overweight the fear of future theoretical competition, you can always talk yourself out of making an investment.

— David George

The number one way to measure a company is ultimately return on invested capital.

— David George

In the public markets today, you are guilty until proven innocent. You are assumed that you are doomed by AI unless proven otherwise.

— David George

Adam has extraordinary strengths. He has some of the strongest strengths of any entrepreneur in the market.

— David George

Performance and justification of large venture funds at a16zEvolution and expansion of private markets vs public marketsAI-era investing: revenue quality, margins, and ROIC focusGrowth-stage strategy, fixing errors of omission, and king-makingCompetitive dynamics in AI: models, apps, and business model shiftsCase studies: OpenAI, Anthropic, Databricks, Decagon, Flow, Waymo, DeelFuture opportunity areas: robotics and personal health technologies

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