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Anthropic and OpenAI both sell AI to consumers, developers, and businesses, but their public announcements emphasize different parts of that business. OpenAI reports broad ChatGPT reach, subscriptions, API usage, and enterprise revenue; Anthropic’s recent announcements foreground Claude’s enterprise and developer adoption. On the latest disclosed funding snapshots, OpenAI reported $122 billion in committed capital at an $852 billion post-money valuation, while Anthropic announced a $65 billion Series H at a $965 billion post-money valuation. These are company-reported figures from different rounds and dates—not comparable proof of profitability or product superiority.
How Anthropic and OpenAI make money
Both companies combine paid access to AI products with services for developers and organizations. Their published descriptions point to different mixes and emphases, not mutually exclusive business models.
Anthropic: Claude products, API use, and enterprise deployment
Anthropic describes Claude as serving individuals, developers, and businesses. Its offerings and announcements emphasize API use, Claude for Work, enterprise deployments, and Claude Code. In February 2026, Anthropic reported $14 billion in run-rate revenue; in its May 2026 Series H announcement, it said run-rate revenue had crossed $47 billion earlier that month. These are company-reported run-rate measures, not audited annual revenue. Anthropic’s February 2026 Series G announcement and May 2026 Series H announcement provide the figures.
OpenAI: subscriptions, API usage, advertising, and commerce
OpenAI describes a multi-channel model: consumer and workplace subscriptions, usage-based API access, and a free tier supported by advertising and commerce. In a 2026 business-model explanation, OpenAI said, “Our business model should scale with the value intelligence delivers.” That is the company’s own framing, rather than an independent assessment. OpenAI’s explanation of its business model outlines the approach.
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Who uses each company’s products?
The available counts measure different things—weekly users, subscribers, paying organizations, seats, and large enterprise accounts—so they should not be added together or treated as equivalent customer totals.
OpenAI’s reported consumer and business reach
In its 2026 funding announcement, OpenAI reported more than 900 million weekly active ChatGPT users and over 50 million subscribers. It also said enterprise represented more than 40% of revenue. These are company-reported metrics; the announcement does not make them a standardized comparison with Anthropic’s customer counts. OpenAI’s 2026 funding announcement gives those figures.
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OpenAI separately reported more than one million business customers in 2025, defining that group as organizations actively paying for business use through ChatGPT for Work or direct consumption on its developer platform. It also reported more than seven million ChatGPT for Work seats. An organization count and a seat count describe different measures. OpenAI’s business-customer announcement explains its definition.
OpenAI also published historical annual recurring revenue (ARR) figures of $2 billion in 2023, $6 billion in 2024, and more than $20 billion in 2025. These are historical company-reported ARR figures, not audited comparative revenue or a breakdown by product. OpenAI’s business-model explanation provides the series.
Anthropic’s reported enterprise adoption
Anthropic said in February 2026 that more than 500 customers were spending over $1 million annually on an annualized basis. That is a count of high-spending customers using Anthropic’s stated annualized measure, not a total customer count. In the same announcement, CFO Krishna Rao said that customers ranging from entrepreneurs and startups to large enterprises increasingly viewed Claude as critical to their work. Anthropic’s Series G announcement contains the count and quote; its May 2026 Series H announcement describes continued enterprise adoption.
What the customer figures do—and do not—show
The disclosures support a difference in reported emphasis: OpenAI highlights ChatGPT’s large consumer audience alongside growing workplace and enterprise use, while Anthropic’s cited announcements stress enterprise and developer adoption. They do not establish market shares or let readers rank the companies’ revenue quality. The companies do not publish comparable definitions for all customer groups or an independently harmonized breakdown of revenue by customer type.
How their funding and valuations compare
The latest disclosed headline rounds in the cited announcements are not directly equivalent: Anthropic describes a Series H funding round, while OpenAI describes committed capital. The amounts and post-money valuations are snapshots announced on different dates.
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| Company and announcement | Reported capital | Reported post-money valuation | Qualification |
|---|---|---|---|
| Anthropic, Series H, May 28, 2026 | $65 billion | $965 billion | Anthropic said the round included $15 billion of previously committed hyperscaler investments, including $5 billion from Amazon. Source: Anthropic. |
| Anthropic, Series G, February 12, 2026 | $30 billion | $380 billion | Anthropic said the round included part of previously announced Microsoft and NVIDIA investments. Source: Anthropic. |
| OpenAI, 2026 funding announcement | $122 billion in committed capital | $852 billion | OpenAI characterized this as its latest funding round. The announcement uses “committed capital,” not the same wording as Anthropic’s round headline. Source: OpenAI. |
By headline valuation, Anthropic’s May 2026 post-money figure is higher than OpenAI’s announced figure; by reported capital amount, OpenAI’s $122 billion in committed capital exceeds Anthropic’s $65 billion Series H. Those comparisons describe the stated announcements only. Different dates and capital characterizations matter, and neither valuation nor round size establishes profitability, operating costs, or superior products.
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What their cloud partnerships mean
Anthropic says AWS is its primary cloud provider and training partner, while Claude is also available through AWS, Google Cloud, and Microsoft Azure. This describes its named cloud availability and primary relationship, not a claim that every service runs exclusively on one provider. Anthropic’s Series H announcement describes the arrangement.
OpenAI and Microsoft said in a joint statement on February 27, 2026, that their commercial and revenue-share relationship remained unchanged and that Azure remained the exclusive cloud provider for stateless OpenAI APIs. That exclusivity is scoped to those APIs; it should not be generalized into a claim about every OpenAI product or service. The companies’ joint statement sets out the terms they described.
What can be concluded from the public numbers?
The announcements are useful for understanding each company’s stated scale, customer focus, financing, and infrastructure relationships. They are not enough to determine which business is more profitable or financially efficient. The cited sources do not provide comparable audited revenue breakdowns, operating margins, profitability, retention, or revenue per customer. Run-rate figures, user counts, and funding valuations cannot fill those gaps, and the cited material does not establish an independent product-performance comparison.
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