Logo: Anthropic, Public domain

Anthropic

AI safety and research company that develops the Claude models.

Artificial intelligenceAI safetyLarge language modelsDeveloper toolsEnterprise software

Active^{Source [15]}^{Source [20]}Last verified Oct 2, 2026

About Anthropic

Anthropic is an AI safety and research company based in San Francisco that builds the Claude family of AI models. It describes its aim as building AI systems that are reliable, interpretable and steerable, and it is organized as a public benefit corporation, Anthropic, PBC.^{Source [14]}^{Source [15]}^{Source [6]}

Claude is offered to consumers and businesses through Claude apps and subscriptions, to developers through the Claude API, and through cloud platforms including Amazon Web Services and Google Cloud. Products include Claude Code for software development and Cowork for broader knowledge work.^{Source [16]}^{Source [9]}^{Source [2]}

The company was founded in 2021 by former OpenAI staff led by siblings Dario Amodei (CEO) and Daniela Amodei (President). It launched Claude in March 2023 and reported run-rate revenue above $47 billion in May 2026, up from about $1 billion at the start of 2025.^{Source [5]}^{Source [17]}^{Source [10]}^{Source [8]}

Anthropic raised $65 billion at a $965 billion post-money valuation in May 2026 and confidentially submitted a draft S-1 to the SEC on June 1, 2026; it remains privately held. In 2026 it challenged in court the Department of War's designation of the company as a supply chain risk, and a federal judge ruled the designation unlawful in August 2026.^{Source [8]}^{Source [15]}^{Source [18]}^{Source [19]}

Watch

Building Anthropic | A conversation with our co-founders by Anthropic on YouTube

What happened

Founded in 2021 by former OpenAI staff including Dario Amodei (CEO), Daniela Amodei (President), Jared Kaplan, Jack Clark, Chris Olah, Sam McCandlish, Tom Brown and Ben Mann, and announced a $124 million Series A in May 2021. It is organized as a public benefit corporation, Anthropic, PBC. On June 1, 2026 it confidentially submitted a draft S-1 to the SEC for a proposed IPO and remains privately held.^{Source [1]}^{Source [2]}^{Source [3]}^{Source [5]}^{Source [15]}^{Source [20]}

Timeline

2026-09Released Claude Opus 5.5.^{Source [16]}
2026-08A federal judge ruled the Pentagon's supply chain risk designation of Anthropic unlawful.^{Source [19]}
2026-06Confidentially submitted a draft S-1 to the SEC for a proposed IPO.^{Source [15]}
2026-05Raised a $65 billion Series H at a $965 billion post-money valuation.^{Source [8]}
2026-05Acquired Stainless, maker of SDK and MCP server tooling.^{Source [21]}
2026-03Designated a supply chain risk by the Department of War; won a preliminary injunction on March 26.^{Source [18]}^{Source [22]}
2026-02Declined Department of War demands to drop contract limits on mass domestic surveillance and fully autonomous weapons.^{Source [23]}
2026-02Raised a $30 billion Series G at a $380 billion post-money valuation.^{Source [9]}
2025-12Acquired the Bun JavaScript runtime as Claude Code reached $1 billion in run-rate revenue.^{Source [24]}
2025-09Raised a $13 billion Series F at a $183 billion post-money valuation.^{Source [10]}
2025-05Introduced Claude 4 and made Claude Code generally available.^{Source [25]}
2023-09Amazon agreed to invest up to $4 billion; AWS became the primary cloud provider for mission critical workloads.^{Source [12]}
2023-03Launched Claude and Claude Instant.^{Source [17]}
2022-04Raised a $580 million Series B.^{Source [13]}
2021-05Announced a $124 million Series A.^{Source [5]}

Products and brands

Claude models: Family of AI models offered in Mythos, Fable, Opus, Sonnet and Haiku tiers.^{Source [16]}
Claude apps: Chat assistant for web, desktop and mobile with consumer and business plans.^{Source [16]}^{Source [17]}
Claude Code: Agentic coding tool, generally available since May 2025.^{Source [25]}^{Source [24]}
Claude Cowork: Agent product that applies Claude Code's capabilities to broader knowledge work.^{Source [9]}^{Source [16]}
Claude Platform (API): Developer API and tooling, also available through AWS, Google Cloud and Microsoft Foundry.^{Source [16]}

How it makes money: Revenue comes from usage-based API access, sold directly and through cloud partners, and from subscriptions to Claude apps and products such as Claude Code. Contrary Research estimated that API sales made up most of 2024 revenue.^{Source [2]}^{Source [9]}

Leadership

Dario Amodei	Co-founder and CEO^{Source [4]}^{Source [5]}	Since 2021
Daniela Amodei	Co-founder, President and Chair of the Board^{Source [4]}
Krishna Rao	Chief Financial Officer^{Source [4]}^{Source [8]}
Jared Kaplan	Co-founder and Chief Science Officer^{Source [4]}
Rahul Patil	Chief Technology Officer^{Source [4]}

Funding and financials

Valuation: $965 billion post-money (May 2026)^{Source [8]}
Run-rate revenue: above $47 billion (May 2026)^{Source [8]}
Run-rate revenue: $14 billion (February 2026)^{Source [9]}

Date	Round	Amount	Investors
2026-05	Series H^{Source [8]}	$65 billion	Led by Altimeter Capital, Dragoneer, Greenoaks and Sequoia Capital; $965 billion post-money
2026-02	Series G^{Source [9]}	$30 billion	Led by GIC and Coatue; $380 billion post-money
2025-09	Series F^{Source [10]}	$13 billion	Led by ICONIQ, co-led by Fidelity and Lightspeed; $183 billion post-money
2025-03	Series E^{Source [11]}	$3.5 billion	Led by Lightspeed Venture Partners; $61.5 billion post-money
2023-09	Strategic investment^{Source [12]}	Up to $4 billion	Amazon
2022-04	Series B^{Source [13]}	$580 million
2021-05	Series A^{Source [5]}	$124 million	Led by Jaan Tallinn

Notable acquisitions

Stainless^{Source [21]}	2026
Bun^{Source [24]}	2025

People on Founded, and where they went next

1 person on record, connected to 1 other company.

Person	Here	Also built
Dario Amodei	Co-founder, CEO2021 to now	OpenAI2020Active

Sources

Anthropic: No. 1 on CNBC Disruptor 50 list 2026, CNBC, 2026-05-19. Accessed Oct 2, 2026.
Anthropic Business Breakdown & Founding Story, Contrary Research. Accessed Oct 2, 2026.
Anthropic, Wikipedia. Accessed Sep 28, 2026.
Leadership at Anthropic, Anthropic. Accessed Oct 2, 2026.
Anthropic raises $124 million to build more reliable, general AI systems, Anthropic, 2021-05-28. Accessed Oct 2, 2026.
Anthropic expands SF HQ, opening door to a campus that can rival OpenAI's, The San Francisco Standard, 2025-09-23. Accessed Oct 2, 2026.
Anthropic's Amodei siblings may hold the key to generative AI, CNBC, 2026-01-10. Accessed Oct 2, 2026.
Anthropic raises $65B in Series H funding at $965B post-money valuation, Anthropic, 2026-05-28. Accessed Oct 2, 2026.
Anthropic raises $30 billion in Series G funding at $380 billion post-money valuation, Anthropic, 2026-02-12. Accessed Oct 2, 2026.
Anthropic raises $13B Series F at $183B post-money valuation, Anthropic, 2025-09-02. Accessed Oct 2, 2026.
Anthropic raises Series E at $61.5B post-money valuation, Anthropic, 2025-03-03. Accessed Oct 2, 2026.
Expanding access to safer AI with Amazon, Anthropic, 2023-09-25. Accessed Oct 2, 2026.
Anthropic Raises Series B to build steerable, interpretable, robust AI systems, Anthropic, 2022-04-29. Accessed Oct 2, 2026.
Company, Anthropic. Accessed Oct 2, 2026.
Anthropic confidentially submits draft S-1 to the SEC, Anthropic, 2026-06-01. Accessed Oct 2, 2026.
Newsroom, Anthropic. Accessed Oct 2, 2026.
Introducing Claude, Anthropic, 2023-03-14. Accessed Oct 2, 2026.
Where things stand with the Department of War, Anthropic, 2026-03-05. Accessed Oct 2, 2026.
Judge blocks Pentagon blacklist of Anthropic as supply chain risk, CNBC, 2026-08-27. Accessed Oct 2, 2026.
Anduril CEO says it's bad to IPO in 'middle of a hype cycle', CNBC, 2026-07-09. Accessed Oct 2, 2026.
Anthropic acquires Stainless, Anthropic, 2026-05-18. Accessed Oct 2, 2026.
Anthropic wins preliminary injunction in Trump DOD fight, CNBC, 2026-03-26. Accessed Oct 2, 2026.
Statement from Dario Amodei on our discussions with the Department of War, Anthropic, 2026-02-26. Accessed Oct 2, 2026.
Anthropic acquires Bun as Claude Code reaches $1B milestone, Anthropic, 2025-12-03. Accessed Oct 2, 2026.
Introducing Claude 4, Anthropic, 2025-05-22. Accessed Oct 2, 2026.

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