Anthropic
Anthropic is an artificial intelligence research and product company founded in 2021 that develops the Claude models, assistant, and tools such as Claude Code, and operates as a public benefit corporation. Dario Amodei and Daniela Amodei are its co-founders, and its research covers model safety, interpretability, and steerability.
Contents25 sections
Key facts
2021Founding of the Company
Anthropic was founded early in the year to conduct research on artificial intelligence safety, interpretability, and model steerability. Dario Amodei and Daniela Amodei are its co-founders, serving as Chief Executive Officer and President, respectively.[1]
May 28, 2021Series A Funding
The company announced $124 million in Series A funding led by Jaan Tallinn, to be used for research and for building prototypes of reliable, steerable artificial intelligence systems.[2]
April 29, 2022Series B Funding
Anthropic announced $580 million in Series B funding led by Sam Bankman-FriedSam Bankman-FriedSam Bankman-Fried (SBF) is an American entrepreneur and the co-founder of the cryptocurrency exchange FTX and the crypto hedge fund Alameda Research. After FTX collapsed in November 2022, he was charged in the United States with misappropriating customer funds; in November 2023 a jury found him guilty on seven counts of fraud and conspiracy, in March 2024 he was sentenced to 25 years in prison and ordered to forfeit about $11 billion, and in 2026 the U.S. Court of Appeals for the Second Circuit rejected his appeal.Open the full entry, then Chief Executive Officer of FTX. The company planned to build large-scale experimental infrastructure for researching the safety of large models.[1]
March 14, 2023Introduction of Claude
The company formally introduced the Claude artificial intelligence assistant, offering a chat interface and an API for tasks such as summarization, question answering, writing, and coding. The initial versions included Claude and the lighter-weight Claude Instant.[3]
September 19, 2023Announcement of the Long-Term Benefit Trust Governance Mechanism
Anthropic introduced the governance structure of the Long-Term Benefit Trust (LTBT). The company is a Delaware public benefit corporation, and the Trust obtains gradually increasing power to elect and remove directors through a special class of Class T stock, a design intended to have it elect a majority of the board within a specified period. The announcement stressed that this structure remains a governance experiment.[4]
March 4, 2024Release of the Claude 3 Family
The Claude 3 family comprises Haiku, Sonnet, and Opus, and added the ability to process visual content such as images and charts. Opus and Sonnet became available on the day of the announcement, while Haiku was still to be released at the time.[5]
November 25, 2024Open-Sourcing of the Model Context Protocol
Anthropic open-sourced the Model Context Protocol (MCP), a universal protocol for connecting artificial intelligence applications with data sources and tools. The initial release included the protocol specification, SDKs, local server support in the Claude desktop apps, and open-source example servers.[6]
February 24, 2025Research Preview of Claude Code
Anthropic released Claude 3.7 Sonnet and at the same time launched a limited research preview of Claude Code, a command-line coding tool. Developers can delegate engineering tasks such as searching code, editing files, and running tests from the terminal; the model offers two modes of operation, standard responses and extended thinking.[7]
March 3, 2025Series E Funding
The company announced $3.5 billion in Series E funding at a post-money valuation of $61.5 billion, led by Lightspeed Venture Partners. The funds were planned for model development, computing capacity, safety research, and international expansion.[8]
September 2, 2025Series F Funding
Anthropic completed $13 billion in Series F funding at a post-money valuation of $183 billion. ICONIQ led the round, with Fidelity Management & Research Company and Lightspeed Venture Partners co-leading.[9]
February 12, 2026Series G Funding
The company announced $30 billion in Series G funding at a post-money valuation of $380 billion, led by GIC and Coatue, to be used for frontier research and for expanding products and infrastructure.[10]
February 24, 2026Revision of the Responsible Scaling Policy
Anthropic released the third version of its Responsible Scaling Policy, which separates the measures the company can implement on its own from its recommendations for the industry as a whole and introduces a Frontier Safety Roadmap and periodic risk reports. The roadmap is defined as a set of goals against which progress is publicly assessed rather than as hard commitments; in some circumstances, risk reports require external review.[11]
April 6, 2026Expanded Compute Partnership with Google and Broadcom
Anthropic announced a new agreement with Google and Broadcom for multiple gigawatts of next-generation TPU computing capacity, expected to come online progressively starting in 2027, to be used for developing and serving Claude models.[12]
April 20, 2026Expanded Partnership with Amazon
Anthropic committed to spending more than $100 billion on AWS technology over the next ten years to secure up to 5 gigawatts of new computing capacity. Amazon at the same time announced an additional $5 billion investment and may invest up to a further $20 billion in the future; the latter is a future arrangement.[13]
April 28, 2026Joining the Blender Development Fund
Blender FoundationBlender FoundationBlender Foundation is a nonprofit organization founded by Ton Roosendaal in May 2002 to make the 3D creation software Blender open source and to support its ongoing development. In 2002, it regained the rights to Blender through the Free Blender crowdfunding campaign, and on October 13 of that year released Blender under the GNU GPL. Since January 1, 2026, Francesco Siddi has succeeded Roosendaal as chairman and CEO.Open the full entry announced that Anthropic was joining the Blender Development Fund as Corporate Patron, with the support dedicated to BlenderBlenderBlender is free and open-source 3D creation software covering workflows including modeling, animation, rendering, 2D drawing, compositing and video editing. It originated as an in-house tool Ton Roosendaal developed for an animation studio, became open source in 2002, and is developed with the support of the Blender Foundation together with a worldwide community of developers and artists.Open the full entry core development, including maintaining and continuously improving foundational features such as the Blender Python API. The standard annual fee for Patron-level corporate membership in the Development Fund is €240,000.[14][15]
May 1, 2026Blender Funding Changed to a One-Time Donation
After the April 28 announcement, the Blender community was divided; some users who dislike generative artificial intelligence opposed the funding, and reactions on social media ranged from support to statements that they would no longer donate.[16]
On May 1, Blender Foundation chairman Francesco Siddi said the foundation had heard the community’s concerns about how it engages with artificial intelligence companies, acknowledged that it should have sought more input from contributors before making the decision, and apologized; after discussions with the team and a number of community contributors, the foundation decided to receive the funds as a one-time donation rather than as a Development Fund membership. The foundation said that Anthropic had been informed and supports this decision, and that the funds will be spent on core activities for the Blender project.[17][17][17]
May 28, 2026Series H Funding
Anthropic announced $65 billion in Series H funding at a post-money valuation of $965 billion, led by Altimeter Capital, Dragoneer, GreenoaksGreenoaksGreenoaks is an American investment firm co-founded by Neil Mehta in 2012 and known for concentrated, long-term investing; it made an early, large bet on the Korean e-commerce company Coupang and has invested in companies including Wiz, Stripe, Databricks, and Anthropic. In May 2026, it co-led Anthropic’s $65 billion Series H funding round with Altimeter Capital, Dragoneer, and Sequoia Capital.Open the full entry, and Sequoia Capital. The amount includes $15 billion in previously committed investment from major cloud providers.[18]
July 20, 2026Final Approval of the Bartz Copyright Settlement
The United States District Court for the Northern District of California granted final approval of the class settlement in Bartz v. Anthropic, establishing a $1.5 billion settlement fund. The certified class is limited to the copyright owners of books on the works list that Anthropic downloaded from LibGen or PiLiMi; the ruling is not a uniform conclusion on all copyright questions concerning artificial intelligence training.[19]
September 25, 2026Federal Appeals Court Upholds Military Supply-Chain Exclusion
The United States Court of Appeals for the District of Columbia Circuit rejected Anthropic’s challenge to a military supply-chain exclusion measure. The dispute concerned the company’s refusal to relax contractual restrictions on the use of Claude for lethal autonomous warfare and domestic surveillance; the majority opinion upheld the measure, and Judge Henderson dissented.[20]
September 28, 2026Release of Claude Sonnet 5.5
Anthropic released Claude Sonnet 5.5, positioned for uses such as everyday tasks, fixing code, and creating documents, as a faster, lower-cost complement to Opus 5.5. The company also said that Haiku 5.5 was planned for release in the following weeks.[21]
October 1, 2026Report on a Broadcom Financing Arrangement
ReutersReutersReuters is an international news agency founded in London in 1851 by Paul Julius Reuter and is now the news business of Thomson Reuters. It provides text, photo, video, and graphics coverage to media and institutional clients and distributes it through channels such as Reuters Connect.Open the full entry reported, citing filing documents, that Anthropic could obtain up to $42 billion in financing through a Broadcom arrangement to lease chips, with promissory notes convertible into company shares; at the time, the notes were not expected to be sold before an IPO. The amount is a financing ceiling.[22]
October 2, 2026Launch of Claude Frontier Academy
Anthropic committed $100 million to launch Claude Frontier Academy, with the goal of training 10,000 engineers by the end of 2027. The first cohort comes from companies and professional services firms, and the program includes in-person training, assessments, and a 12-week on-site placement.[23]
Company Positioning and Governance
Anthropic is an artificial intelligence research company that develops the Claude models and related tools and operates as a public benefit corporation. Its official company page lists reliability, interpretability, and steerability as research and development directions; these are company goals and do not mean that its models are guaranteed to be error-free or risk-free.[24]
Related Organizations, Websites, and Public Accounts
Anthropic: Official website: https://www.anthropic.com/ (opens in a new window).[25]
Claude (artificial intelligence product): Official website: https://claude.ai/ (opens in a new window).[25]
X: Public account: https://x.com/AnthropicAI (opens in a new window)[25]
LinkedInLinkedInLinkedIn is a social networking platform for professionals. It was founded in 2002 by Reid Hoffman and others, launched in 2003, and listed on the New York Stock Exchange in 2011; after Microsoft acquired it for approximately $26.2 billion in 2016, it became a wholly owned Microsoft subsidiary. Its revenue comes from membership subscriptions, advertising, and recruitment solutions.Open the full entry: Public profile: https://www.linkedin.com/company/anthropicresearch (opens in a new window)[25]
YouTubeYouTubeYouTube is Google’s video-sharing and creator platform, founded in 2005 by Steve Chen, Chad Hurley, and Jawed Karim and acquired by Google in 2006. Built around video uploading, viewing, and creator earnings, the platform has developed Shorts, YouTube Music, Premium, YouTube TV, and products for children, and is headquartered in San Bruno, California, United States.Open the full entry: Public channel: https://www.youtube.com/@anthropic-ai (opens in a new window)[25]
Sources
- Anthropic Raises Series B to build steerable, interpretable, robust AI systems (opens in a new window)
- Anthropic raises $124 million to build more reliable, general AI systems (opens in a new window)
- Introducing Claude (opens in a new window)
- The Long-Term Benefit Trust (opens in a new window)
- Introducing the next generation of Claude (opens in a new window)
- Introducing the Model Context Protocol (opens in a new window)
- Claude 3.7 Sonnet and Claude Code (opens in a new window)
- Anthropic raises Series E at $61.5B post-money valuation (opens in a new window)
- Anthropic raises $13B Series F at $183B post-money valuation \ Anthropic (opens in a new window)
- Anthropic raises $30 billion in Series G funding at $380 billion post-money valuation \ Anthropic (opens in a new window)
- Anthropic’s Responsible Scaling Policy: Version 3.0 (opens in a new window)
- Anthropic expands partnership with Google and Broadcom for multiple gigawatts of next-generation compute (opens in a new window)
- Anthropic and Amazon expand collaboration for up to 5 gigawatts of new compute (opens in a new window)
- Anthropic joins the Blender Development Fund as Corporate Patron (opens in a new window)
- Corporate Memberships — Blender Development Fund (opens in a new window)
- Anthropic's patronage of Blender downgraded to one-off donation (opens in a new window)
- Upcoming Blender Development Fund and AI Policies (opens in a new window)
- Anthropic raises $65B in Series H funding at $965B post-money valuation (opens in a new window)
- Bartz v. Anthropic PBC — Order granting final approval of class action settlement, Document 680 (opens in a new window)
- Anthropic PBC v. United States Department of War — Nos. 26-1049 and 26-1162 (opens in a new window)
- Introducing Claude Sonnet 5.5 (opens in a new window)
- Broadcom to lend Anthropic up to $42 billion to lease its chips, filing says (opens in a new window)
- Anthropic invests $100 million to train 10,000 engineers and tackle the enterprise AI talent gap (opens in a new window)
- Company — Anthropic (opens in a new window)
- Home \ Anthropic (opens in a new window)