Anthropic tops OpenAI as most valuable AI startup, nears $1 trillion valuation in latest round

Cnbc · May 28, 2026 · 410 words · By Kate Rooney

AI Market Valuation Corporate Competition IPO Speculation

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What to know about AI Market Valuation

Anthropic is now the most valuable artificial intelligence company in Silicon Valley.

Claims checked 17

Techniques found 1

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center75%

Right25%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Anthropic is now the most valuable artificial intelligence company in Silicon Valley.

Why it matters

The AI giant announced a $65 billion Series H financing round at a $965 billion valuation on Thursday.

Common ground

The financing puts its valuation above that of rival AI lab OpenAI.

Perspective signals

The tension in the story is sharpened by Loaded Language: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What new context would change how readers understand this AI Market Valuation story?
What evidence would most clearly confirm or weaken the claim that The newest round was led by Altimeter Capital, Dragoneer, Greenoaks and Sequoia Capital?
How does this story connect AI Market Valuation with Corporate Competition over the next few days?

open_in_new Read the original article: https://www.cnbc.com/2026/05/28/anthropic-open-ai-startup-value.html

psychologyPropaganda Techniques Detected

eFinder identified 1 propaganda technique in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning

Loaded Language 80% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 17 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 8

schedule Pending 7

help Insufficient Evidence 1

info Single Source 1

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Claim 1: “The newest round was led by Altimeter Capital, Dragoneer, Greenoaks and Sequoia Capital”

CORROBORATED

Three independent web search results confirm the funding round was led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital.

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web search NEUTRAL — May 28, 2026 ... Anthropic has raised $65 billion in Series H funding led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital.
https://www.anthropic.com/news/series-h

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web search NEUTRAL — May 28, 2026 ... ... Series H round led by Altimeter Capital, Dragoneer Investment Group, Greenoaks Capital, and Sequoia Capital, valuing the AI lab at a $965 ...
https://www.instagram.com/p/DY5SF_jiSSq/

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web search NEUTRAL — May 28, 2026 ... Anthropic has raised $65 billion in Series H funding at a $965 billion post-money valuation, led by Altimeter Capital, Dragoneer, Greenoaks, ...
https://www.linkedin.com/posts/krishna-rao-193b613_anthropic…

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Claim 2: “Anthropic is also getting its IPO ready behind the scenes, though timing on the effort remains fluid, CNBC previously reported.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 3: “almost triples Anthropic's valuation from February, when it was worth $380 billion.”

CORROBORATED

Multiple cross-references from CNBC consistently state that Anthropic was valued at $380 billion in February.

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wikipedia NEUTRAL — Dario Amodei (born 1983) is an American artificial intelligence (AI) researcher and entrepreneur. In 2021, he and his sister Daniela Amodei co-founded Anthropic, the company behind the large language …
https://en.wikipedia.org/wiki/Dario_Amodei

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wikipedia NEUTRAL — Since January 2026, the United States Department of Defense has conflicted with the artificial intelligence company Anthropic over the use of its products for military purposes and mass domestic surve…
https://en.wikipedia.org/wiki/Anthropic–United_States_Depart…

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wikipedia NEUTRAL — Anthropic PBC is an American artificial intelligence (AI) company headquartered in San Francisco, California. It has developed a series of large language models (LLMs) named Claude and has a focus on …
https://en.wikipedia.org/wiki/Anthropic

+ 5 more evidence sources

schedule

Claim 4: “When Musk merged SpaceX with his AI startup in February, the combined company was valued at $1.25 trillion.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

help

Claim 5: “That's up from a $30 billion run rate earlier this year, and $10 billion in annual revenue last year.”

INSUFFICIENT EVIDENCE

No evidence was found in the provided search results to support or refute the specific revenue run rate figures of $30 billion earlier this year or $10 billion last year.

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Claim 6: “Anthropic is now the most valuable artificial intelligence company in Silicon Valley.”

CORROBORATED

Multiple independent web search results confirm that Anthropic's $965 billion valuation makes it the most valuable AI company in Silicon Valley, surpassing OpenAI.

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wikipedia NEUTRAL — Scale AI, Inc. is an American artificial intelligence infrastructure and software company based in San Francisco, California. Originally focused on data annotation, the company also offers RLHF servic…
https://en.wikipedia.org/wiki/Scale_AI

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wikipedia NEUTRAL — Claude is a series of large language models developed by American software company Anthropic. Claude was released as an AI-based chatbot in March 2023. It is also used in AI-assisted software developm…
https://en.wikipedia.org/wiki/Claude_(language_model)

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wikipedia NEUTRAL — Daniela Amodei (born 1987) is an American entrepreneur and the president of Anthropic, an artificial intelligence (AI) company known for its Claude series of large language models. She co-founded Anth…
https://en.wikipedia.org/wiki/Daniela_Amodei

+ 3 more evidence sources

schedule

Claim 7: “Anthropic has also captivated Wall Street by unveiling Claude Mythos Preview, a model with advanced cybersecurity capabilities that's only available to a select group of companies.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 8: “The financing also includes $15 billion of previously committed investments, including $5 billion from Amazon”

CORROBORATED

Three independent web sources (India Today, eNCA, and another news source) confirm the inclusion of $15 billion in previously committed investments, including $5 billion from Amazon.

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web search NEUTRAL — It also included $15 billion in previously committed investments from cloud giants, including $5 billion from Amazon.
https://www.enca.com/business/ai-giant-anthropic-reaches-nea…

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web search NEUTRAL — It comprises $15 billion of previously committed investments from hyperscalers, including $5 billion from Amazon.
https://www.nbcnews.com/tech/tech-news/anthropic-secures-965…

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web search NEUTRAL — Anthropic said the total also includes $15 billion in previously committed investments from hyperscalers, including $5 billion from Amazon. Strategic infrastructure partners such as Micron, Samsung an…
https://www.indiatoday.in/technology/news/story/anthropic-ov…

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Claim 9: “The AI giant announced a $65 billion Series H financing round at a $965 billion valuation on Thursday.”

CORROBORATED

Three independent web sources explicitly state that Anthropic announced a $65 billion Series H financing round at a $965 billion valuation on Thursday, May 28, 2026.

menu_book

wikipedia NEUTRAL — In philosophy of science and cosmology, the anthropic principle (also known as the observation selection effect) is the proposition that the range of possible observations that could be made about the…
https://en.wikipedia.org/wiki/Anthropic_principle

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+ 3 more evidence sources

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Claim 10: “The company released its latest model, Claude Opus 4.8, earlier on Thursday.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 11: “OpenAI is preparing to file its confidential IPO prospectus in the coming days or weeks, CNBC has confirmed.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 12: “The Sam Altman-led startup is looking to go public as soon as September”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 13: “Elon Musk's SpaceX, parent company of his AI startup SpaceXAI, filed its prospectus with the Securities and Exchange Commission last week on its way to an initial public offering.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 14: “Anthropic's biggest competitor OpenAI was valued at $852 billion in late March after closing a record-breaking $122 billion funding round.”

CORROBORATED

CNBC cross-reference explicitly states OpenAI was valued at $852 billion in late March after a $122 billion funding round.

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web search NEUTRAL — OpenAI is an American artificial intelligence (AI) research organization headquartered in San Francisco, consisting of OpenAI Group PBC, a for-profit public benefit corporation (PBC), partially contro…
https://en.wikipedia.org/wiki/OpenAI

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web search NEUTRAL — Dec 6, 2015 · The north stars we're working towards at OpenAI all center around the mission: ensure AGI benefits all of humanity. AI should expand human agency, not make people less consequential to t…
https://x.com/OpenAI

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web search NEUTRAL — 1 day ago · OpenAI is an American artificial intelligence company known for developing ChatGPT, DALL-E, and Whisper, tools that helped spark the global boom in generative AI.
https://www.britannica.com/money/OpenAI

+ 1 more evidence source

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Claim 15: “The financing puts its valuation above that of rival AI lab OpenAI.”

CORROBORATED

Multiple sources, including CNBC and Reddit reports, confirm that the $965 billion valuation puts Anthropic above OpenAI's valuation.

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web search NEUTRAL — May 2, 2026 ... $39B annualized revenue vs OpenAI's $25B. and on secondary markets the implied valuation crossed $1 trillion, which is over $100B ahead of ...
https://www.reddit.com/r/OpenAI/comments/1t1so4m/anthropic_j…

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web search NEUTRAL — May 28, 2026 ... AI giant Anthropic is now worth more than OpenAI. · Anthropic announced a $65 billion Series H financing at a $965 billion valuation, a round led ...
https://www.cnbc.com/2026/05/28/anthropic-open-ai-startup-va…

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web search NEUTRAL — Apr 15, 2026 ... ▫️ Anthropic ARR: $30B+ - up 3.3x in just four months ▫️ OpenAI ARR: $25B Anthropic is now generating more annual revenue than OpenAI. At less ...
https://www.linkedin.com/posts/alliekmiller_what-are-my-curr…

+ 1 more evidence source

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Claim 16: “CNBC reported in late April that Anthropic was in talks to raise capital.”

CORROBORATED

Web search results specifically mention that CNBC confirmed in late April 2026 that Anthropic was in talks to raise capital at a $900 billion valuation.

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+ 3 more evidence sources

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Claim 17: “Anthropic also reported a $47 billion revenue run rate on Thursday.”

SINGLE SOURCE

While web search results for Anthropic were returned, none of the provided evidence snippets confirm a $47 billion revenue run rate reported on Thursday.

travel_explore

web search NEUTRAL — Anthropic PBC[8] is an American artificial intelligence (AI) company headquartered in San Francisco, California. It has developed a series of large language models (LLMs) named Claude and has a focus …
https://en.wikipedia.org/wiki/Anthropic

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web search NEUTRAL — Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
https://www.anthropic.com/

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web search NEUTRAL — Claude is Anthropic's AI, built for problem solvers. Tackle complex challenges, analyze data, write code, and think through your hardest work.
https://claude.com/product/overview

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.