The explosive revenue growth at Anthropic is reshaping investor expectations for the entire AI infrastructure sector.
According to a research report from Bank of America Securities dated April 8, the accelerated expansion of enterprise client demand for Anthropic not only directly benefits its primary cloud computing partners, Amazon Web Services (AWS) and Google Cloud, but also provides strong real-world validation for the core investment thesis of "sustained high AI capital expenditure."
Anthropic disclosed this week that its Annual Recurring Revenue (ARR) run rate has surpassed $30 billion, a staggering increase from $9 billion at the end of 2025 and $19 billion just a month ago.
The primary driver is enterprise-level clients. The number of enterprises with annualized spending exceeding $1 million has doubled from over 500 in mid-February to more than 1,000. Concurrently, Anthropic announced new agreements with Google and Broadcom to secure 3.5 gigawatts of TPU computing capacity starting in 2027, aimed at meeting "massive customer demand."
**Anthropic's Revenue Surge: Enterprise Demand as Core Driver**
Anthropic's revenue growth trajectory is nearly vertical. The company disclosed that its ARR jumped from $9 billion to $30 billion within a single quarter, representing a quarterly increase of approximately $21 billion.
Based on Bank of America's estimates, the corresponding quarter-over-quarter increase in actual revenue could exceed $3 billion.
The core growth momentum stems from the enterprise sector. The number of enterprise clients with annualized consumption over $1 million doubled to more than 1,000 in less than two months, indicating a significant acceleration in the deployment penetration of the Claude model in commercial settings.
Anthropic characterized this trend as "massive demand" from customers and stated that the new computing capacity will be used to support the operation of its frontier Claude models.
**AWS Revenue Outlook: Anthropic's Contribution May Exceed Expectations**
Amazon.com's AWS is Anthropic's primary cloud service provider and training partner, making it a direct beneficiary of the surge in demand for Anthropic.
Considering that a significant portion of Anthropic's workload runs on AWS, along with quarter-over-quarter growth in training expenditures, business related solely to Anthropic could contribute over $1.3 billion in incremental quarter-over-quarter revenue to AWS in the first quarter of this year.
This figure already substantially exceeds Wall Street's previous overall expectation for AWS quarterly revenue growth of approximately $1 billion. Amazon.com's first-quarter sequential revenue increase for AWS could potentially reach $2 billion.
Looking ahead to the second quarter, Anthropic alone could contribute an additional over $1 billion in sequential revenue growth for AWS. It is important to note, however, that if the incremental revenue from Anthropic carries lower margins, the boost to AWS's profit forecasts might be relatively limited.
**Google's Major TPU Order: Potential for Over $100 Billion in Backlog**
Anthropic's new agreements with Google and Broadcom also provide a significant boost to the long-term revenue prospects of Google Cloud.
Anthropic signed new agreements with Google and Broadcom covering 3.5 gigawatts of TPU computing capacity, effective from 2027 through 2031. As widely reported, this 3.5-gigawatt capacity is an incremental addition to the 1 gigawatt already scheduled to come online in 2026, which was announced last October.
Google Cloud's revenue backlog increased by $85 billion quarter-over-quarter in the fourth quarter of 2025, with a majority likely attributable to Anthropic.
Based on the commitment for an additional 3.5 gigawatts of capacity, this could imply that Google will add over $100 billion to its contract backlog. However, this deal was announced after the first quarter ended and is not yet reflected in the latest financial data.
It is noteworthy that these expenditure commitments are contingent upon Anthropic's "continued commercial success," meaning the business momentum of Anthropic, and by extension OpenAI, will be a crucial variable influencing market expectations for the stocks of Alphabet and Amazon.com.
**Implications for Investors: Cloud Revenue Revisions and Capex Expectations Are Key**
The latest disclosures from Anthropic (and OpenAI) align with the AI demand picture painted by hyperscale cloud providers, reinforcing the credibility of the "AI capital expenditure investment theme."
For the upcoming earnings season, the likelihood of cloud revenue outperforming expectations has increased. The most impactful marginal variable for first-quarter market sentiment will be the performance of cloud business margins and whether companies adjust their capital expenditure plans for 2026.
If cloud revenue exceeds expectations and capital expenditure plans remain unchanged, this scenario "would likely be well-received by the market."
Based on this logic, Bank of America maintains its "Buy" ratings on Amazon.com and Alphabet. The price target for Amazon.com is $275 (based on a sum-of-the-parts valuation, with AWS valued at 8x projected 2027 revenue). The price target for Alphabet is $370 (based on 27x projected 2027 GAAP earnings per share plus cash per share). Analysts believe both companies are well-positioned to capture the growth红利 (benefits) from enterprise AI demand.
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