Valuations by round
Announced	Stage	Valuation	Basis
May 23, 2023	Series C	$4.10B	Basis not stated
Jan 11, 2024	Series D	$18.40B	Post-money
Mar 3, 2025	Series E+	$61.50B	Post-money
Sep 2, 2025	Series E+	$183.00B	Post-money
Nov 18, 2025	Strategic	$350.00B	Basis not stated
Feb 12, 2026	Series E+	$380.00B	Post-money
Apr 9, 2026	Secondary	$350.00B	Pre-money
May 28, 2026	Series E+	$965.00B	Post-money

Funding rounds
Announced	Stage	Amount	Valuation	Lead investors	Other investors	Confidence
Oct 3, 2026	Debt	~$42.00B	—	Broadcom	—	Reported
May 28, 2026	Series E+	$65.00B	$965.00B	Altimeter Capital, Capital Group, Coatue Management, D1 Capital Partners, Dragoneer Investment Group, GIC, Greenoaks, ICONIQ Capital, Sequoia Capital, XN	—	Confirmed
Apr 9, 2026	Secondary	Undisclosed	$350.00Bpre	—	—	Reported
Feb 12, 2026	Series E+	$30.00B	$380.00B	Coatue Management, D. E. Shaw Ventures, Dragoneer Investment Group, Founders Fund, GIC, ICONIQ Capital, MGX	—	Confirmed
Nov 18, 2025	Strategic	$15.00B	$350.00B?	Microsoft, NVIDIA	—	Reported
Sep 2, 2025	Series E+	$13.00B	$183.00B	Fidelity Management & Research Company, ICONIQ Capital, Lightspeed Venture Partners	—	Confirmed
Mar 3, 2025	Series E+	$3.50B	$61.50B	Lightspeed Venture Partners	Bessemer Venture Partners, D1 Capital Partners, Fidelity Management & Research Company, General Catalyst, Menlo Ventures, Salesforce Ventures	Confirmed
Jan 22, 2025	Strategic	$1.00B	—	Google	—	Reported
Nov 22, 2024	Strategic	$4.00B	—	Amazon	—	Reported
Mar 27, 2024	Strategic	$2.75B	—	Amazon	—	Reported

Debt
Led by Broadcom
~$42.00B
Oct 3, 2026
Series E+
Led by Altimeter Capital, Capital Group, Coatue Management, D1 Capital Partners, Dragoneer Investment Group, GIC, Greenoaks, ICONIQ Capital, Sequoia Capital, XN
Valuation $965.00B
Confirmed
$65.00B
May 28, 2026
Secondary
Valuation $350.00Bpre
Undisclosed
Apr 9, 2026
Series E+
Led by Coatue Management, D. E. Shaw Ventures, Dragoneer Investment Group, Founders Fund, GIC, ICONIQ Capital, MGX
Valuation $380.00B
Confirmed
$30.00B
Feb 12, 2026
Strategic
Led by Microsoft, NVIDIA
Valuation $350.00B?
$15.00B
Nov 18, 2025
Series E+
Led by Fidelity Management & Research Company, ICONIQ Capital, Lightspeed Venture Partners
Valuation $183.00B
Confirmed
$13.00B
Sep 2, 2025
Series E+
Led by Lightspeed Venture Partners
With Bessemer Venture Partners, D1 Capital Partners, Fidelity Management & Research Company, General Catalyst, Menlo Ventures, Salesforce Ventures
Valuation $61.50B
Confirmed
$3.50B
Mar 3, 2025
Strategic
Led by Google
$1.00B
Jan 22, 2025
Strategic
Led by Amazon
$4.00B
Nov 22, 2024
Strategic
Led by Amazon
$2.75B
Mar 27, 2024

View all 17 funding rounds →

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Systems4

Claude Fable 5.1

Language model for coding and knowledge work; Anthropic says it is generally available.

Maturity not rated

Claude Mythos 5.1

Language model for coding and knowledge work; Anthropic says access is limited to its trusted-access programs.

Maturity not rated

Claude Opus 5.5

General-purpose language model introduced by Anthropic on September 22, 2026.

Maturity not rated

Claude Sonnet 5.5

General-purpose language model. Anthropic announced it on September 28, 2026 and says it is available on Claude Platform and major cloud platforms.

Maturity not rated

Newest unveiled first. Open a system for its milestone timeline, components and sources.

Capabilities2

Capabilities
Technology	Role	Maturity	TRL	Notes	Confidence
Foundation models, including large language, multimodal, and world systems	Developer	—	—	Company-reported capability; mapping does not establish government endorsement, supplier qualification or a contract.	Reported
Interpretability and control	Developer	—	—	Company-reported capability; mapping does not establish government endorsement, supplier qualification or a contract.	Reported

Foundation models, including large language, multimodal, and world systems
Developer
Company-reported capability; mapping does not establish government endorsement, supplier qualification or a contract.
—Reported
Interpretability and control
Developer
Company-reported capability; mapping does not establish government endorsement, supplier qualification or a contract.
—Reported

Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.

People8

All 8 people →

Chris Olah
Co-founder
Daniela Amodei
Co-founder
Dario Amodei
Co-founder
Jack Clark
Co-founder
Jared Kaplan
Co-founder
Sam McCandlish
Co-founder
Tom Brown
Co-founder
Dario Amodei
CEO

Sources31

Show all 31 sources and supporting evidence

Profile5

1
NewsPentagon awards mega contracts to Musk-owned company, other firms for new 'frontier AI' projects
DefenseScoop · Jul 14, 2025 · Supports Organization
“The Pentagon's Chief Digital and Artificial Intelligence Office has awarded contracts to xAI, OpenAI, Anthropic and Google for the new effort.”
2
DatabaseAnthropic - PitchBook company profile
PitchBook · Supports Organization · employee range, Organization · founded year, Organization · linkedin url, Organization · x url
“employee_range: 1001-5000 (profile: 5000)”
3
DatabaseSixth-Domain public startups directory
Sixth-Domain · Supports Organization · kind
“{"group": "startups", "id": "0d90c1b1-4acc-482e-a530-3732cc8bfe49", "name": "Anthropic"}”
4
CompanyCompany
Anthropic · Supports Organization · description, Organization · name, Organization · website
“We aim to build frontier AI systems that are reliable, interpretable, and steerable. We conduct frontier research, develop and apply a variety of safety techniques, and deploy the resulting systems via a set of partnerships and products.”
5
CompanyPrivacy Policy
Anthropic · Supports Organization · country
“You acknowledge that Anthropic is a company based and headquartered in the United States.”

Systems3

6
CompanyIntroducing Claude Opus 5.5
Anthropic · Supports System
“We’re introducing Claude Opus 5.5, the first model in our new Claude 5.5 family. It performs at the level of Claude Fable 5.1 on most work and costs 40% less to run than Opus 5.”
7
CompanyIntroducing Claude Sonnet 5.5
Anthropic · Supports System
“Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family. It’s a clear upgrade over Claude Sonnet 5, runs 30%+ faster, and costs up to 30% less for most work.”
8
CompanyIntroducing Claude Fable 5.1 and Claude Mythos 5.1
Anthropic · Supports System
“We’re introducing Claude Fable 5.1 and Claude Mythos 5.1. They’re the world’s most advanced models for coding and knowledge work—and their research capabilities offer an early glimpse of how AI models will contribute to scientific progress.”

Technologies2

9
CompanyPrimary-source capability evidence: anthropic
Supports Organization technology
“Hybrid reasoning model built for serious coding and AI agents”
10
CompanyPrimary-source capability evidence: anthropic
Supports Organization technology
“New interpretability research reveals an emergent mental workspace in Claude”

Funding19

11
NewsBroadcom to lend Anthropic up to $42bn to lease its chips
Reuters (via Gulf Times) · Oct 3, 2026 · Supports Funding round · amount
“Broadcom has agreed to lend Anthropic up to $42bn to finance infrastructure spending.”
12
CompanyAnthropic raises $65B in Series H funding at $965B post-money valuation
Anthropic · May 28, 2026 · Supports Funding round · amount, Funding round · post money valuation usd, Organization · ownership
“Anthropic has raised $65 billion in Series H funding led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital, valuing the company at $965 billion post-money.”
13
NewsAnthropic Wraps Up Tender Offer as Employees Resist Selling Shares Ahead of IPO
TipRanks · Apr 9, 2026 · Supports Funding round · post money valuation usd
“Notably, the offer closed with transactions at a $350 billion pre-money valuation.”
14
CompanyAnthropic raises $30 billion in Series G funding at $380 billion post-money valuation
Anthropic · Feb 12, 2026 · Supports Funding round · amount, Funding round · post money valuation usd
“We have raised $30 billion in Series G funding led by GIC and Coatue, valuing Anthropic at $380 billion post-money.”
15
CompanyMicrosoft, NVIDIA and Anthropic announce strategic partnerships
Microsoft · Nov 18, 2025 · Supports Funding round · amount
“NVIDIA and Microsoft are committing to invest up to $10 billion and up to $5 billion respectively in Anthropic.”
16
NewsAnthropic valued in range of $350 billion following investment deal with Microsoft, Nvidia
CNBC · Nov 18, 2025 · Supports Funding round · post money valuation usd
“pushing Anthropic's valuation to the range of $350 billion”
17
CompanyAnthropic raises $13B Series F at $183B post-money valuation
Anthropic · Sep 2, 2025 · Supports Funding round · amount, Funding round · post money valuation usd
“Anthropic has completed a Series F fundraising of $13 billion led by ICONIQ.”
18
CompanyAnthropic raises Series E at $61.5B post-money valuation
Anthropic · Mar 3, 2025 · Supports Funding round · amount, Funding round · post money valuation usd
“Anthropic has raised $3.5 billion at a $61.5 billion post-money valuation.”
19
NewsGoogle agrees to new $1 billion investment in Anthropic
CNBC · Jan 22, 2025 · Supports Funding round · amount
“Google has agreed to a new investment of more than $1 billion in generative AI startup Anthropic”
20
NewsAmazon to invest another $4 billion in Anthropic, OpenAI's biggest rival
CNBC · Nov 22, 2024 · Supports Funding round · amount
“Amazon on Friday announced it would invest an additional $4 billion in Anthropic”
21
NewsAnthropic is expanding to Europe and raising more money | TechCrunch
TechCrunch · May 13, 2024 · Supports Funding round · post money valuation usd
“an $18.4 billion valuation (post-money)”
22
NewsAmazon doubles down on Anthropic, completing its planned $4B investment
TechCrunch · Mar 27, 2024 · Supports Funding round · amount
“Amazon invested a further $2.75 billion in growing AI power Anthropic on Wednesday”
23
NewsInside AI Unicorn Anthropic's Unusual $750 Million Fundraise
Forbes · Jan 11, 2024 · Supports Funding round · amount
“Anthropic was raising $750 million in new funding that would nearly quadruple its valuation to $18.4 billion.”
24
NewsGoogle commits to invest $2 billion in OpenAI competitor Anthropic
CNBC · Oct 27, 2023 · Supports Funding round · amount, Funding round · post money valuation usd
“The commitment involves a $500 million upfront cash infusion and an additional $1.5 billion to be invested over time”
25
NewsAmazon to invest up to $4 billion in Anthropic, a rival to ChatGPT developer OpenAI
CNBC · Sep 25, 2023 · Supports Funding round · amount
“will invest up to $4 billion in artificial intelligence firm Anthropic and take a minority ownership position in the company”
26
NewsAnthropic raises $450M to build next-gen AI assistants
TechCrunch · May 23, 2023 · Supports Funding round · amount
“has raised $450 million in a Series C funding round led by Spark Capital.”
27
NewsGoogle is investing $300M in an OpenAI challenger that will take on ChatGPT while focusing on A.I.
Fortune · Feb 4, 2023 · Supports Funding round · amount
“With the $300 million deal, Google will take a roughly 10% stake in the startup”
28
CompanyAnthropic Raises Series B to build steerable, interpretable, robust AI systems
Anthropic · Apr 29, 2022 · Supports Funding round, Funding round · amount
“The Series B round was led by Sam Bankman-Fried, CEO of FTX.”
29
CompanyAnthropic raises $124 million to build more reliable, general AI systems
Anthropic · May 28, 2021 · Supports Funding round, Funding round · amount
“The Series A round was led by Jaan Tallinn, technology investor and co-founder of Skype.”

People2

30
CompanyLeadership at Anthropic
Anthropic · Supports Role
“Chris Olah co-founded Anthropic and leads its interpretability research, which focuses on understanding how AI models work internally.”
31
CompanyDario Amodei on American AI leadership
Anthropic · Supports Role
“A statement from Anthropic CEO Dario Amodei on Anthropic’s commitment to advancing America's leadership in building powerful and beneficial AI.”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.