On May 28, Anthropic closed a $65 billion Series H at a $965 billion valuation, passing OpenAI to become the world's most valuable private AI company. The round disclosed annualized revenue at $47 billion, up from $44 billion three weeks earlier. Anthropic is targeting an IPO this autumn.
OpenAI filed its S-1 confidentially with the SEC on May 22, targeting a September listing at up to $1 trillion. It lost $1.22 for every dollar it earned in Q1 2026, with full-year losses projected at $14 billion.
Why it matters
Two AI companies are worth a combined $1.8 trillion; neither one has turned a profit yet.
Questions about this story
Free account needed to ask — your question is kept and asked for you right after sign-up. Answers are public.
No questions yet — be the first to ask.
Key Indicators
$47B
Anthropic Revenue Run Rate
Annualized revenue as of May 2026, disclosed at Series H close on May 28; up from $44B reported at Code with Claude on May 6
$965B
Anthropic Valuation
Post-money valuation after $65 billion Series H closed May 28, 2026; surpasses OpenAI as world's most valuable private AI company
$852B
OpenAI Valuation
Post-money valuation after $122 billion round closed March 31, 2026, anchored by Amazon ($50B), Nvidia ($30B), and SoftBank ($30B)
80%
AI Share of Q1 2026 VC
AI companies captured roughly $242 billion of $300 billion deployed globally in Q1 2026, up from 50% in full-year 2025
Images from Openverse under Creative Commons licenses.
Videos from YouTube.
Voices
Curated perspectives — historical figures and your fellow readers.
Ayn Rand
(1905-1982) ·Cold War · philosophy
Fictional AI pastiche — not real quote.
"The spectacle of billions rushing toward those who dare to build the future is not a "supercycle"—it is justice. What the timid call "unprecedented risk," the rational mind recognizes as the proper reward for those who transform human consciousness itself, while the parasites who demand "proportional returns" reveal only that they have never created anything worth financing."
0% found this insightful
Ever wondered what historical figures would say about today's headlines?
Sign up to generate historical perspectives on this story.
18 events
Latest: May 22nd, 2026 · 4 months ago
Showing 8 of 18
JK to step
Tap a bar to jump to that date
Jump to
May 2026
OpenAI Files Confidential S-1 with SEC
LatestCorporate
OpenAI submitted its S-1 to the SEC, disclosing a negative 122% operating margin in Q1 2026—$1.22 lost for every dollar earned. Goldman Sachs and Morgan Stanley are leading a targeted September listing at up to $1 trillion.
OpenAI Files Confidentially for IPO
Corporate
OpenAI filed a confidential draft IPO prospectus working with Goldman Sachs and Morgan Stanley, targeting a September listing at up to $1 trillion valuation.
At its Code with Claude developer conference in San Francisco, Dario Amodei reported 80-fold annualized revenue growth in Q1 2026, far beyond the 10x the company had planned. Anthropic also announced it would rent capacity from SpaceX's Colossus data center to relieve compute pressure from the growth.
xAI Formally Dissolved, Absorbed Into SpaceX as SpaceXAI Division
Corporate
Elon Musk announced xAI would cease to exist as an independent entity and be absorbed into SpaceX under a new division called SpaceXAI, covering Grok and the X social media platform. More than 50 researchers and engineers had departed since the February acquisition.
March 2026
OpenAI Closes $122 Billion Round at $852 Billion Valuation
Funding
OpenAI closed the largest private funding round in Silicon Valley history, growing from the initial $110 billion announcement. Amazon committed $50 billion, Nvidia $30 billion, and SoftBank $30 billion; the company reported $2 billion in monthly revenue at close.
February 2026
OpenAI Announces $110 Billion Round at $730 Billion Valuation
Funding
OpenAI announced a $110 billion funding round at a $730 billion post-money valuation, led by SoftBank and a16z. The round later expanded to $122 billion at $852 billion by the time it closed on March 31.
Anthropic Closes $30 Billion Series G
Funding
GIC and Coatue lead second-largest private tech funding round in history; Anthropic reaches $380 billion valuation with $14 billion revenue run rate.
SpaceX Acquires xAI
M&A
SpaceX acquires xAI in all-stock transaction valuing the AI company at $250 billion, consolidating Musk's AI and space assets.
December 2025
xAI Raises $20 Billion
Funding
Elon Musk's AI company raises $20 billion from Nvidia, Cisco, Fidelity, and sovereign wealth funds at $230 billion valuation.
October 2025
OpenAI Reaches $500 Billion Valuation
Milestone
OpenAI valuation reaches half a trillion dollars amid reports of $14 billion projected losses for 2026.
September 2025
Anthropic Series F: $13 Billion at $183 Billion Valuation
Funding
Iconiq Capital, Fidelity, and Lightspeed co-lead round that triples valuation in six months.
March 2025
Anthropic Reaches $61.5 Billion Valuation
Funding
Series E round of $3.5 billion led by Lightspeed Venture Partners more than triples company valuation.
OpenAI Closes $40 Billion Round
Funding
SoftBank leads largest private funding round in history; OpenAI reaches $300 billion valuation.
November 2024
Amazon Doubles Anthropic Investment to $8 Billion
Partnership
Amazon announces additional $4 billion investment, bringing total commitment to $8 billion.
October 2024
OpenAI Raises $6.6 Billion
Funding
OpenAI closes largest venture round to date at $157 billion valuation, led by Thrive Capital with Microsoft and Nvidia participation.
October 2023
Amazon Announces $4 Billion Anthropic Investment
Partnership
Amazon commits up to $4 billion for minority stake; Anthropic designates Amazon Web Services as primary cloud provider.
April 2022
FTX Leads Anthropic Series B
Funding
Sam Bankman-Fried and FTX lead a $580 million round valuing Anthropic at $4 billion—investment later complicated by FTX collapse.
May 2021
Anthropic Founded
Corporate
Former OpenAI researchers Dario and Daniela Amodei launch Anthropic with $124 million in seed funding, citing disagreements over safety priorities.
Scenarios
1
AI Labs Reach Profitability, Validate Valuations
Possible
Discussed by: Anthropic management, enterprise software analysts at Goldman Sachs and Morgan Stanley
Anthropic reaches profitability by 2027-2028 as enterprise revenue continues growing at triple-digit rates. Claude Code and enterprise subscriptions generate sufficient margins to justify infrastructure investments. OpenAI's consumer advertising model and API revenue eventually offset compute costs by 2030. Valuations prove reasonable relative to eventual earnings, similar to how Amazon's early losses preceded sustained profitability.
Discussed by: TechCrunch, Fortune, venture capital analysts at Bessemer and Sequoia
Enterprises consolidate spending among three to five major providers. Smaller AI startups without differentiated data or vertical focus become acquisition targets. The $690 billion in planned 2026 infrastructure spending creates barriers that only the largest players can clear. Market structure resembles cloud computing: a handful of hyperscalers with specialized players in niches.
3
Revenue Growth Stalls, AI Bubble Deflates
Possible
Discussed by: Yale School of Management researchers, MIT enterprise AI studies, Ray Dalio, Paul Kedrosky
Enterprise AI adoption plateaus as companies struggle to demonstrate return on investment—MIT found 95% of organizations getting zero return from generative AI investments. Infrastructure spending outpaces monetization, mirroring the dot-com pattern where valuations rose 600% before collapsing 78%. Private valuations contract as public comparables reset lower.
4
Regulatory Intervention Restructures Industry
Uncertain
Discussed by: European Commission, Federal Trade Commission antitrust division, competition law scholars
Concentration of AI capabilities in three companies triggers antitrust scrutiny. Cloud providers face pressure to divest AI lab stakes or unbundle infrastructure from model access. Data center power consumption creates regulatory backlash as energy costs rise. New compliance requirements increase costs and slow deployment timelines across the industry.
5
OpenAI and Anthropic Both List Publicly Before Year-End 2026
Possible
Resolves by End of 2026
Discussed by: Goldman Sachs, Morgan Stanley, The Wall Street Journal, Bloomberg
OpenAI filed confidentially for an IPO on May 20, targeting a September listing at up to $1 trillion valuation. Anthropic has signaled it wants to follow later in 2026. A successful dual listing would be the first public-market test of frontier AI valuations, forcing quarterly earnings disclosures and shareholder scrutiny of losses both companies project through 2028.
Historical Context
3 moments from history that rhyme with this story — and how they unfolded.
1 of 3
1986 - December 1991
Japanese Asset Bubble (1986-1991)
Japanese equities and real estate reached price-to-earnings ratios of 80 times. The Imperial Palace grounds were famously valued higher than all California real estate combined. Banks extended credit against inflated asset values.
Then
Nikkei 225 fell 80% from peak. Real estate values collapsed. Banking system required government intervention.
Now
Japan experienced three decades of stagnant growth. The Nikkei did not recover its 1989 peak until 2024—35 years later.
Why this matters now
The current Nasdaq trades at 23 times forward earnings, compared to Japan's 80 times—suggesting less extreme overvaluation. However, private AI valuations may reflect expectations of continued exponential growth that historical parallels suggest rarely materialize.
2 of 3
March 1995 - October 2002
Dot-Com Bubble (1995-2000)
Venture capital poured $100 billion annually into internet companies by 2000. The Nasdaq rose 600% in five years. Companies with no revenue commanded billion-dollar valuations based on projected future dominance. Only 14% of technology initial public offerings involved profitable companies.
Then
Nasdaq fell 78% from peak. Over 50% of public dot-com companies failed by 2004. Venture funding collapsed 95%.
Now
Survivors including Amazon, Google, and eBay became dominant global platforms. Infrastructure investments in fiber optics enabled the next generation of internet services. Market took 15 years to reclaim 2000 highs.
Why this matters now
AI venture capital concentration (50% of global investment) now exceeds dot-com era levels. The difference: major AI labs generate substantial revenue (Anthropic: $14 billion) rather than operating on projections alone. The question is whether revenue growth can justify valuations that assume continued exponential scaling.
3 of 3
October 2007 - May 2012
Facebook Pre-IPO Funding (2007-2012)
Microsoft paid $240 million for 1.6% of Facebook in 2007, implying a $15 billion valuation. By the 2012 initial public offering, the company raised $16 billion at a $104 billion market capitalization—the largest technology IPO in American history at that time. Critics questioned whether any company could justify such valuations.
Then
Stock dropped 50% within months of IPO as mobile advertising revenue lagged expectations.
Now
Facebook (now Meta) reached $1 trillion market capitalization by 2021 as mobile advertising and acquisitions of Instagram and WhatsApp vindicated early investors.
Why this matters now
Anthropic's $380 billion private valuation exceeds Facebook's IPO by 3.6 times. Unlike Facebook's consumer advertising model, Anthropic generates 80% of revenue from enterprise clients—a potentially more predictable revenue base but one dependent on continued corporate AI adoption.
