Google has its own Gemini, and according to a leaked memo it even admits Gemini trails Anthropic’s Claude at writing code. Its response? It committed to invest up to $40 billion in the company behind Claude. In effect, it is spending big to make its strongest rival stronger. To get to know Google first, see What kind of company is Google.

This is not charity. The money goes out as an investment and comes back through cloud orders and chip purchases. What follows is an explainer and information relay, not investment advice.


How big the money is, and how it’s paid

On April 24, 2026, according to multiple media reports and confirmed by both companies, Google committed to invest up to $40 billion in Anthropic:

PartAmountCondition
Up frontAbout $10 billionBuys in at a valuation of about $350 billion
LaterUp to $30 billionPaid in tranches only when performance targets are met

This isn’t Google’s first move. It has been investing in Anthropic since 2023. Neither company has officially disclosed Google’s ownership percentage.


Deliberately no control

According to reports, Google is putting in all this money but takes no voting rights and no board seat. The reason is practical: once control crosses a certain line, it can trigger an antitrust merger review.

Anthropic is a public benefit corporation (PBC) with a long-term benefit trust that is gradually gaining the power to elect and remove a majority of its board.


The real play: compute

The investment comes with a compute partnership. Anthropic has officially announced that it will use up to 1 million TPUs through Google Cloud, and from 2027 will get about 3.5 GW of next-generation TPU compute through Broadcom.

The money flowing the other way is even bigger. According to Anthropic’s prospectus seen by Reuters, Anthropic has committed to spend at least $111.1 billion with Google from April 2026 to July 2033. Whatever its actual usage, it must pay the difference if it spends less. That is more than twice the $40 billion investment cap.

Google invests and gets back a flagship customer that will buy its compute for years. For Google, which is eager to fill its TPU capacity, that is worth more than the stake itself.


On paper, it’s already making money

This “feeding the enemy” investment has already made Google’s financials look much better.

Anthropic closed its Series H on May 28, 2026, at a post-money valuation of about $965 billion (official), higher than OpenAI’s roughly $852 billion in its March 2026 round. On revenue, Anthropic officially reported an annualized run rate of over $47 billion in May; according to Bloomberg, it passed $65 billion by the end of July.

Alphabet’s Q2 2026 net income was about $112.2 billion; after-tax gains on equity investments contributed about $77.1 billion, mostly paper gains. According to Bloomberg, citing people familiar with the matter, most of Alphabet’s roughly $124.3 billion in private holdings as of the end of June is Anthropic.

Two caveats. First, this is paper appreciation: Anthropic has paid Google no cash, and if the valuation falls, the book value shrinks too. Second, this gain is reported together with other holdings, and Anthropic’s share is not broken out.


Not just Google: Amazon is betting too

A few days before Google’s move, on April 20, 2026, Amazon announced an additional $5 billion now and up to $20 billion more later, tied to compute on its own Trainium chips. Both cloud giants are betting on the same AI company for the same reason: lock in a flagship AI customer to fill their own compute platforms.

The difference is that Google’s contradiction is sharper, because its Gemini competes head-on with Claude. For Anthropic, taking money and compute from both big clouds also lets it play each side against the other.


The DOJ proposal never happened

In Google’s search-monopoly case, the U.S. Department of Justice at one point proposed banning Google from holding stakes in AI companies, then changed it to requiring advance notice before future AI investments. Anthropic told the court it opposed this, arguing it would hinder AI competition.

On September 2, 2025, the court’s remedies ruling adopted neither, finding that an investment-notice requirement had nothing to do with Google’s monopoly conduct. The final judgment that December followed the same line. The appeal in the search case is still ongoing; for the full status, see Where Google’s antitrust case stands.


What’s still not public

  • The $111.1 billion spending commitment: comes from the prospectus seen by Reuters, which had not been made public as of October 2026.
  • The conditions on the $30 billion in milestones: all sides only call them “performance targets”; the details are confidential.
  • Google’s ownership percentage: neither Anthropic nor Alphabet has officially disclosed it.

Penchan’s summary

This investment shows the rules of this generation’s AI race: compute is the bargaining chip. Google did the math. Turning a rival into a major customer for its own compute pays better than starving that rival. A competitor that is also a customer and an investment will be the most common structure in the AI industry over the next few years.

Further reading: What kind of company is Google, Even Google says it lags behind Claude, The cost moat of in-house TPUs.