Tomasz Tunguz

Tomasz Tunguz

Creator
0 followers

Venture capitalist at @theoryvc Student of Startups Backer of 9 unicorns Author of https://t.co/IWw3R3RVLm Subscribe https://t.co/iDgoLXaF98

Musk’s Low Cost of Capital Powers SpaceX IPO
SocialJun 12, 2026

Musk’s Low Cost of Capital Powers SpaceX IPO

SpaceX IPOs today. One hallmark of the largest IPO in history : Elon Musk’s astoundingly low cost of capital. Despite raising 25x more than the typical founder, Musk retained ownership in the top decile. Some founders raise $2m for an idea....

By Tomasz Tunguz
Fable Sets New AI Performance Ceiling with Strong Guardrails
SocialJun 10, 2026

Fable Sets New AI Performance Ceiling with Strong Guardrails

We’ve reached the upper bound of AI. Not in the sense that performance won’t improve. On the contrary, AI will improve AI. But Anthropic’s Fable release has imposed a glass ceiling. How do you release the most powerful model in the world...

By Tomasz Tunguz
AI Buyers Cut Costs by Switching to Open-Source Models
SocialJun 8, 2026

AI Buyers Cut Costs by Switching to Open-Source Models

Three forces are reshaping the AI cost structure : 1. Foundation labs are moving up the stack into applications ; 2. Frontier model prices keep rising for the smartest models ; 3. Open-source models have crossed the good enough threshold...

By Tomasz Tunguz
Open-Weight Models Claim 69% of OpenRouter Traffic
SocialJun 2, 2026

Open-Weight Models Claim 69% of OpenRouter Traffic

Open-weight models have overtaken closed models on OpenRouter. 69.1% of token volume now goes to open-weight models. 30.9% to closed. Competition is a discovery procedure — and developers are discovering the value of open models. 🧵 https://t.co/9ZOLA6llvZ

By Tomasz Tunguz
From SaaS to AI Harness: Seven Steps to Domesticate Intelligence
SocialMay 27, 2026

From SaaS to AI Harness: Seven Steps to Domesticate Intelligence

The end of the software era is the beginning of the harness era. AI outmoded SaaS managed databases with fixed workflows with intelligence. Like a mustang, AI is powerful but wild. Harnessing the power means domestication. There are seven parts...

By Tomasz Tunguz
Headless CRM Works, but E‑commerce Still Needs Rich UI
SocialMay 22, 2026

Headless CRM Works, but E‑commerce Still Needs Rich UI

Salesforce just went headless. Sales reps can update deals without ever logging in. But AirBNB's CEO Chesky says the real story is richer: "Imagine using iMessage to do everything, when in fact every other app has a unique interface...With e-commerce, you want...

By Tomasz Tunguz
AI Powers Headless, Dynamic UIs Beyond Markdown
SocialMay 22, 2026

AI Powers Headless, Dynamic UIs Beyond Markdown

Salesforce has gone headless : a sales person can update their deal sheet without ever logging into salesforce.com through AI. Many companies are following suit with MCPs. English as an interface to complex systems is a tremendous innovation. And yet,...

By Tomasz Tunguz
Subsidy Era Ends; AI Pricing Data Shows Shift
SocialMay 20, 2026

Subsidy Era Ends; AI Pricing Data Shows Shift

The subsidy era is over. 🧵 Three years of AI pricing data tells the story.

By Tomasz Tunguz
2026 Theory GTM Survey Probes AI's Impact on Sales Teams
SocialMay 12, 2026

2026 Theory GTM Survey Probes AI's Impact on Sales Teams

It's time for the 2026 Theory GTM Survey. This year we're testing 5 hypotheses : 1. Augmented reps outperform autonomous AI & unaugmented humans 2. AI is widening the gap between top & bottom GTM teams 3. Buyer-side AI is the bigger disruptor than...

By Tomasz Tunguz
Half My Work Runs 2× Faster Locally
SocialMay 11, 2026

Half My Work Runs 2× Faster Locally

Localmaxxing : pushing more inference to local models. Over five weeks, I tested how much of my daily work can run on a local 35B model instead of cloud frontier models. The answer : half. Many reasons to use local models :...

By Tomasz Tunguz
When Attackers Use AI, Defenders Must Too
SocialMay 8, 2026

When Attackers Use AI, Defenders Must Too

Enterprises run on AI agents. So do the attackers. What does it mean to build, secure, and operate AI systems when both sides - defenders and attackers - are automated? Jonathan Jaffe, CISO at Lemonade, is one of the most...

By Tomasz Tunguz
Credit Spreads Vary 42x Across Data Center Firms
SocialMay 5, 2026

Credit Spreads Vary 42x Across Data Center Firms

The credit market is the harshest judge of risk. Looking at credit default swaps of data center companies, a few things stand out: • The market is starting to believe there is less risk (although still very high) for Nebius and CoreWeave...

By Tomasz Tunguz
Ads Can Fund Trillion‑Parameter AI Models
SocialMay 4, 2026

Ads Can Fund Trillion‑Parameter AI Models

One search ad every 40 minutes pays for a trillion-parameter model. One content ad every 3 minutes does the same. The math on ad-supported AI is better than you think. When Anthropic pulled Claude Code from the $20 plan last month,...

By Tomasz Tunguz
AI Accelerates Real-World Breakthroughs in Health, Education, Agriculture
SocialMay 1, 2026

AI Accelerates Real-World Breakthroughs in Health, Education, Agriculture

I remember growing up reading Sports Illustrated. There was a small column called “This Week’s Sign the Apocalypse Is Upon Us.” With all the dire predictions about AI, it’s important to also spend time recognizing the tremendous pace of innovation &...

By Tomasz Tunguz
Tomasz Tunguz | Pulse