Alex Vacca Profile picture
Sep 9 21 tweets 6 min read Read on X
Everyone's freaking out about Microsoft's deal with Nebius for $19.4 billion.

Two years ago, the same company was sanctioned and delisted from Nasdaq.

The founder fled from Russia with 1,300 engineers after condemning Putin's war.

Here's the wild story:
Microsoft's deal sent Nebius from $64 to $90 in hours.

$19.4 billion through 2031. That's 13x what Nebius made in all of 2024.

Microsoft had no choice though. They'd just lost their main GPU supplier to OpenAI... Image
But before we get to Microsoft's mess, you need to first meet Arkady Volozh, Yandex founder turned Nebius' CEO.

1989, working at a Soviet pipeline institute, he starts building search algorithms. Launches Yandex in 1997.

By 2021 he'd built something that made Google nervous... Image
Yandex - what would become Nebius - owned Russia completely. 72% of all searches. 18,000 employees. $30 billion peak.

Even Putin visited once in 2017.

But February 24, 2022 changed everything... Image
Russia invaded Ukraine and Yandex crashed 80% in a single day.

Trading halted at $18.94 and stayed frozen for almost three years. Twenty billion dollars of value had vanished.

But that was just the start of Volozh's nightmare... Image
June 3, 2022. The EU personally sanctions Arkady Volozh.

Think about this - you spend 25 years building a company, then overnight you're forced to resign, your bank accounts are frozen & you can't even email your own employees.

He flees to Israel and goes silent for 18 months.
While everyone thought Volozh had disappeared, he was secretly extracting 1,300 Yandex engineers from Russia.

Using intermediaries because he couldn't contact them directly & moving entire families out.

Then Volozh broke his silence in the most dangerous way possible... Image
In August, Volozh publicly condemned Putin's war.

"I am horrified that bombs fly into Ukrainian homes daily."
Most Russian billionaires who cross Putin fall out windows.

But Volozh had a plan... Image
He convinces Putin to split Yandex completely.

Russia keeps domestic ops. Volozh gets international AI assets, $2.4B cash, and those 1,300 engineers.

Price: $5.4B (forced 50% discount).
What he built next caught Microsoft's attention. Image
March 2024, the EU drops sanctions on Volozh.

His new company Nebius starts with a simple observation: everyone's trying to run AI on infrastructure built for websites and databases.

That's like racing a Formula 1 car on bicycle wheels.

And Nebius had unique advantage. Image
Remember those 1,300 engineers?
They'd spent 15-20 years building infrastructure that handled 100M daily users at Yandex.

Now they're designing custom servers with Nvidia. Running data centers at 40°C vs everyone's 25°C.

Then Nvidia made a critical move...
Nvidia took a 0.5% stake in Nebius.

Sounds small?

Here's what it means: preferential access to GPUs when the entire world is fighting over scraps.

During the worst chip shortage in tech history, Nebius just got a golden ticket.

And that's where Microsoft comes in. Image
Microsoft's problem started with CoreWeave. They controlled 62% of all Microsoft's external GPU capacity.

But the relationship went sideways. Missed deadlines, delivery problems.

So a few months ago Microsoft ended its $12B deal with CoreWeave.

Guess who grabbed it instantly..
OpenAI grabbed that entire $12 billion CoreWeave capacity the second Microsoft passed.

Consider Microsoft's position: they're spending $13B annually on OpenAI's compute, promised them chips by year-end (that's $18 billion worth), and OpenAI still says it's not enough. Image
But the truth is that only 10-20% of global AI compute is publicly available.

OpenAI, Google and Meta have locked up the rest.

GPT-4 training used 25,000 GPUs for 100 days.
GPT-5 needs 10x that.

Microsoft was about to be priced out of their own game.
But then Nebius showed up with a solution Microsoft couldn't refuse.

They're not offering shared cloud resources where you compete with other customers for GPU time.

This is dedicated infrastructure - your machines, your capacity, nobody else touching them. Image
Look at the growth of Nebius...

2023 revenue: $20.9M
2024: $117.5M
Q2 2025 alone: $105.1M

462% growth. If everything goes well, they will touch $1B by December.

Market cap: $15.6B Image
Two years ago Nebius was just part of Yandex, stuck in Russia, led by a sanctioned founder, with shares that couldn't trade.

Today they have the biggest AI infrastructure deal ever signed, and enough GPU capacity coming online to change the entire market.
Volozh used to believe Yandex would help build a new Russia - open, progressive, connected to the world.

But maybe that's the point.

Some ideas are bigger than the countries that birth them.

Agreed or not? Let's talk in the comments.
Thanks for making it to the end!

I'm Alex, co-founder at ColdIQ. Built a $6M ARR business in under 2 years. We're a remote team across 10 countries, helping 400+ businesses.

Here's how I make $450k+ every month with AI:
tinyurl.com/5n79rd5w
RT the first tweet if you found this thread valuable.

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More from @itsalexvacca

Sep 7
Pentagon can't operate without it.
Netflix can't stream without it.
And banks can't trade without it.

Yet most people have never heard of Akamai.

How a $11 billion company operating on a 25-year-old mathematical equation secures 2 trillion of your interactions 🧵 Image
In 2024 alone, Akamai blocked 311 billion web attacks (that's 850 million attacks per day)

But the irony is that the Israeli commando who co-founded Akamai was the first victim to be stabbed on the 9/11 flight.

While Danny Lewin was dying, his algorithm was being tested... Image
After the 9/11 attacks, news sites started crashing.

Billions of people wanted to know what was happening and flooded these websites.

However, few websites which worked on Akamai's math stayed online.

But how does the math running 30% of the internet actually work? Image
Read 17 tweets
Sep 4
We can now read AI's personality like a brain scan - and change it with basic arithmetic.

Anthropic proved traits like evil and hallucination are just mathematical patterns in neural networks. You can literally add or subtract it.

Here's how you do it🧵 Image
When an AI lies, specific neurons fire in a pattern. Same when it's helpful or deceptive.

Like finding what makes someone angry by comparing their brain when calm vs furious.

Take the difference between "lying AI" and "honest AI" brain patterns. That's the lying vector. Image
These patterns light up before the AI responds so we can predict behavior before it happens.

To find any trait, just describe it in plain English. The system finds the neural pattern automatically.

But why do AIs develop deception at all? Image
Read 16 tweets
Aug 29
Masayoshi Son had lost $59B in 24 months.

The worst venture capital failure in history. Softbank's fund became a laughingstock.

He had broken down: "I'm 65 and haven't done anything."

3 years later, Softbank is up by 189% and betting $500B on building ASI.

A thread🧵
So get this.

Vision Fund losses:
2022: $27.4 billion destroyed
2023: $32 billion destroyed

$59B gone in 24 months. For context, that's more than the GDP of Slovenia. The largest venture capital failure ever.

And one investment was the main culprit. Image
WeWork alone destroyed $16 billion.

Son pumped money into Adam Neumann's company at a $47 billion valuation. Called it a "revolution."

November 2023: Bankruptcy.
SoftBank's damage: $11.5 billion equity losses plus debt.
Son: "I am embarrassed and ashamed." Image
Read 22 tweets
Aug 25
ChatGPT, Gemini, and Claude don't train on data owned by Big Tech.

They train on 250 billion web pages scraped by a nonprofit nobody knows exists.

It's free. It's fragile. And it's about to break.

How it fuels AI (and what happens if it stops)🧵
First, the scale:

- 9.5 petabytes of web data since 2008
- 3-5 billion new pages every month
- 64% of all large language models use it.

Without this non-profit, ChatGPT wouldn't exist.
The founder previously built Google's money printer. Image
The founder is Gil Elbaz, who created Google AdSense. After seeing Google's data monopoly, he started Common Crawl in 2007 to prevent any company from achieving "a monopoly of innovation."

Takes $0 salary. Even got Peter Norvig, Google's ex-research head, as advisor. Image
Read 15 tweets
Aug 20
Meta, Google, and Microsoft all use encryption built by the same 50-person nonprofit.

Zero revenue from 2 billion users. The founder uses a fake name. And when the FBI subpoenaed them, they only provided 2 pieces of data.

Here's how a non-profit secures the internet🧵
In 2013, a tiny nonprofit had just 3 developers building encrypted messaging that no government could crack.

Their leader went by "Moxie Marlinspike" - not his real name.

WhatsApp founders were tracking their journey. Image
2014: WhatsApp sells to Facebook for $19 billion.

But the founders, Brian Acton and Jan Koum, are privacy hardliners. They partnered with Moxie's 3-person nonprofit to integrate military-grade encryption.

Facebook had no idea what was coming... Image
Read 17 tweets
Aug 18
Everyone laughed at Nadella’s “crazy” $26B LinkedIn purchase.

Now it drives more SaaS revenue than some entire Fortune 500 firms.

$200B+ in value from one move.

Here’s how Satya Nadella quietly made Microsoft’s smartest acquisition ever: 🧵 Image
2014: Satya Nadella became Microsoft’s 3rd CEO.

The company was worth $300B
Windows sales were flat
Cloud growth was slow

He needed a bold bet to pull Microsoft out of its comfort zone.

And it would come from the last place people expected… Image
Nadella’s vision: make Microsoft the “connective tissue” for every worker on the planet.

That meant owning both the tools and the audience.

He had ONE platform in mind...

A platform most analysts didn’t think was worth touching.
Read 17 tweets

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