Anthropic

ion can call the Claude API to attempt to give navigational control of the application via Claude's interpretation of screen content and simulation of keyboard and mouse input. [ 16 ] Claude Code [ edit ] Claude Code, released in February 2025, is an agentic command line tool to delegate coding tasks from the terminal using natural language prompts. [ 17 ] It was made generally available in May 20

in November 2026. At $965 billion in a May 2026 Series H , [ 13 ] Anthropic is the world's most valuable AI pure play , rivaled by OpenAI. [ 14 ] Anthropic develops the LLM Claude in four tiers: Fable, Opus, Sonnet, and Haiku. [ 15 ] Claude is accessible via an online chatbot , an API , and Anthropic's agent harnesses : Claude Code , Cowork , Design , and Science . [ 16 ] [ 17 ] Its model class C

uter's desktop environment by moving the cursor, clicking buttons, and typing text. This development allows the AI to attempt to perform multi-step tasks across different applications. [ 16 ] [ 76 ] On November 4, 2024, Anthropic raised the price of Claude 3.5 Haiku. [ 77 ] Claude 4 [ edit ] Screenshot of a Claude Sonnet 4 answer describing Wikipedia On May 22, 2025, Anthropic released two more mo

) Daniela Amodei ( President ) Ami Vora ( CPO ) Mariano-Florentino Cuéllar (Chief Global Affairs Officer) Products Claude Claude Code Claude Cowork Bun Revenue US$ 4.6 billion (2025) [ 7 ] Number of employees 2,500 (2026) [ 8 ] Website www .anthropic .com Anthropic, PBC (stylized as ANTHROP\C or A\ ) [ 9 ] [ 10 ] is an American artificial intelligence (AI) public benefit corporation headquartered

ory consolidation feature called autoDream had been identified in the March source code leak. [ 36 ] Claude in Chrome [ edit ] In August 2025, Anthropic released Claude for Chrome, a Google Chrome extension that lets Claude browse websites, click and fill forms on the user's behalf. It launched as a pilot for 1,000 Max subscribers. Anthropic said prompt-injection attacks succeeded 11.2% of the tim

the user's computer, such as web browsers or spreadsheet applications, to carry out tasks. [ 47 ] According to developers, Cowork was mostly built by Claude Code. [ 40 ] In August 2026, Cowork was made available in a sidebar of the Chrome browser. [ 48 ] Claude Design [ edit ] Claude Design is a tool released by Anthropic as a preview for paying customers on April 17, 2026. It generates designs, p

nce networks and with Palantir's data platform. Anthropic stipulated that the Pentagon not use its technologies for mass surveillance of Americans , or to create fully autonomous weapons . [ 30 ] Amodei clarified that Anthropic supports the use of AI in "lawful foreign intelligence and counterintelligence missions" and partially autonomous weapons, such as those used in the Russo-Ukrainian war . [

I systems. [ 24 ] It was released in March 2023. [ 25 ] In 2024, Anthropic hired several notable employees from OpenAI, including Jan Leike and John Schulman . [ 26 ] In May 2025, the company announced Claude 4. It also introduced new API capabilities, including the Model Context Protocol (MCP) connector. [ 27 ] The company hosted its inaugural developer conference that month. [ 28 ] Also in May,

locking crawlers from shared-chat pages also prevented them from reading the noindex directive meant to keep the pages out of search results. [ 14 ] Anthropic said the listings had been removed. [ 15 ] Application programming interface [ edit ] Claude is also provided through an application programming interface (API). In October 2024, the "computer use" feature was introduced by which an applicat

se out Anthropic products from government use; the DoD completed this in October. Throughout 2026, Anthropic accused Chinese competitors including DeepSeek , Moonshot AI , Alibaba Cloud , and Z.ai of distilling Claude for their models. History [ edit ] Dario Amodei , co-founder and CEO Anthropic was founded in January 2021 [ 1 ] by seven former employees of OpenAI, including siblings Daniela Amode

dels: Claude Sonnet 4 and Claude Opus 4. [ 78 ] [ 79 ] Anthropic added API features for developers: a code execution tool, "connectors" to external tools using its Model Context Protocol , and Files API. [ 80 ] Anthropic classified Opus 4 as a "Level 3" model on the company's four-point safety scale, meaning they consider it so powerful that it poses "significantly higher risk". [ 81 ] Anthropic r

as Fable, a Mythos-tier series, is available to the public but with safeguards limiting its usability in areas deemed high-risk like cybersecurity and biology. [ 60 ] Early models Version Release date Status [ 61 ] [ 62 ] Claude 14 March 2023 [ 63 ] Discontinued Claude 2 11 July 2023 Discontinued Claude Instant 1.2 9 August 2023 [ 64 ] Discontinued Claude 2.1 21 November 2023 [ 65 ] Discontinued H

the use of its AI technology for surveillance and autonomous weapons . After the refusal, the DoD designated the company a "supply chain risk" and barred all U.S. military private contractors, suppliers, and partners from doing business with the firm (see Anthropic–United States Department of Defense dispute ). [ 44 ] [ 45 ] At the outset of the 2026 Iran war , the US military used Claude to ident

23, became the first Anthropic model available to the general public. [ 70 ] Claude 2.1 [ edit ] Claude 2.1 doubled the number of tokens that the chatbot could handle, increasing its context window to 200,000 tokens, which equals around 500 pages of written material. [ 65 ] With the release of Claude 2.1, Anthropic also introduced the then-beta feature of tool use. [ 71 ] The 2.1 model also produc

und 30 global organizations. The hackers bypassed Anthropic's safeguards by pretending it was for defensive testing. [ 35 ] [ 36 ] In December 2025, Anthropic acquired Bun to improve Claude Code's speed and stability. [ 37 ] The same month, Anthropic signed a multi-year, $200 million partnership with Snowflake Inc. to make Claude models available through that company's platform. [ 38 ] Claude was

aiku Version Release date Status [ 61 ] [ 62 ] Claude 3 Haiku 13 March 2024 Discontinued Claude 3.5 Haiku 22 October 2024 Discontinued Claude Haiku 4.5 15 October 2025 Active Claude Haiku 5.5 7 October 2026 Active Sonnet Version Release date Status [ 61 ] [ 62 ] Claude 3 Sonnet 4 March 2024 [ 66 ] Discontinued Claude 3.5 Sonnet 20 June 2024 [ 67 ] Discontinued Claude 3.5 Sonnet (new) 22 October 20

essays. [ 74 ] [ 75 ] Also in February, Anthropic restored access to Claude 3 Opus for paying customers via API, though Anthropic still refers to it as "retired". [ 62 ] Claude 3.5 [ edit ] On June 20, 2024, Anthropic released Claude 3.5 Sonnet, which, according to the company's own benchmarks, performed better than the larger Claude 3 Opus. Released alongside 3.5 Sonnet was the new Artifacts capa

ed hallucinations half as often as Claude 2.0. [ 71 ] Claude 3 [ edit ] Claude 3 was released on March 4, 2024. [ 66 ] It drew attention for demonstrating an apparent ability to realize it is being artificially tested during 'needle in a haystack' tests. [ 72 ] Anthropic committed to preserve the weights of the retired models, describing it as a cautionary measure in case the models have morally r

Opus 4 22 May 2025 Discontinued Claude Opus 4.1 5 August 2025 Discontinued Claude Opus 4.5 24 November 2025 Active Claude Opus 4.6 5 February 2026 Active Claude Opus 4.7 16 April 2026 Active Claude Opus 4.8 28 May 2026 [ 69 ] Active Claude Opus 5 24 July 2026 Active Claude Opus 5.5 22 September 2026 Active Fable and Mythos Version Release date Status [ 61 ] [ 62 ] Claude Mythos Preview 7 April 20

nnounced that Anthropic had signed a 20-year lease for a data center in development on a campus called Justified Data in Hawesville, Kentucky . [ 59 ] AMD announced a partnership with Anthropic for 2 gigawatts of their AMD Instinct MI450 GPUs, with AMD adopting Claude and investing up to $5 billion in Anthropic. [ 60 ] In August 2026, Anthropic agreed to a cloud-computing agreement with Nscale rep

laude Mythos as its most advanced model. With capabilities in cybersecurity and biosecurity , it was not planned for public release. [ 52 ] [ 53 ] [ 54 ] Fable 5, a "Mythos-class model" with extended guardrails around these topics, was also announced on June 9. [ 55 ] On June 12, Anthropic suspended all access to its Claude Fable 5 and Mythos 5 models due to national security concerns from US gove

nts Sep 28, 2026 Introducing Claude Sonnet 5.5 Claude Sonnet 5.5 is a clear upgrade over Claude Sonnet 5, runs 30%+ faster, and costs up to 30% less for most work. Model Details Sonnet System Card View Read announcement Announcements Sep 22, 2026 Introducing Claude Opus 5.5 Claude Opus 5.5 leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads. Model

26 Limited availability Claude Mythos 5 9 June 2026 Limited availability Claude Fable 5 9 June 2026 Active Claude Mythos 5.1 1 September 2026 Limited availability Claude Fable 5.1 1 September 2026 Active Claude [ edit ] The first version of Claude was released in March 2023. [ 63 ] It was available only to selected users approved by Anthropic. [ 70 ] Claude 2 [ edit ] Claude 2, released in July 20

e after mitigations. [ 37 ] It became generally available in August 2026. [ 38 ] Claude Cowork [ edit ] Claude Cowork is a tool similar to Claude Code but with a graphical user interface , aimed at non-technical users. It was released in January 2026 as a "research preview". [ 39 ] [ 40 ] Cowork is available as a desktop application for Mac and Windows and through a web interface. [ 41 ] It provid

Anthropic launched a web search API that enables Claude to access real-time information from the internet. [ 29 ] Claude Code, Anthropic's coding assistant, transitioned from research preview to general availability. [ 27 ] In July 2025, Anthropic signed a two-year contract with the US Department of Defense for $200 million. Anthropic LLMs became integrated with the Pentagon's classified intellige

/>[[San Francisco]], California, U.S."},"products":{"wt":"{{Unbulleted list\n| [[Claude (AI)|Claude]]\n| [[Claude Code]]\n| [[Claude Cowork]]\n| [[Bun (software)|Bun]]\n}}"},"revenue":{"wt":"{{increase}} [[US$]]4.6 billion (2025)<ref>{{cite news |last1=Wang |first1=Echo |title=Anthropic's IPO prospectus shows sweeping AI vision, surging costs |url=https://www.reuters.com/business/finance/anthropic

24 Discontinued Claude 3.7 Sonnet 24 February 2025 [ 68 ] Discontinued Claude Sonnet 4 22 May 2025 Discontinued Claude Sonnet 4.5 29 September 2025 Active Claude Sonnet 4.6 17 February 2026 Active Claude Sonnet 5 30 June 2026 Active Claude Sonnet 5.5 28 September 2026 Active Opus Version Release date Status [ 61 ] [ 62 ] Claude 3 Opus 4 March 2024 [ 66 ] }}"]}'>Retired "}},"i":0}}]}'> [ a ] Claude

rototypes, slides and marketing materials from natural-language prompts, uses Claude Opus, and can export to multiple formats. [ 49 ] Claude Science [ edit ] Announced on June 30, 2026, the Claude Science service was released in public beta to paid subscribers, with an emphasis on biology research and drug development . [ 50 ] [ 51 ] Training [ edit ] See also: Anthropic § Legal issues Not to be c

ude was used by the US Department of Defense (DoD) and the Intelligence Community . In 2026, Claude was used in the Iran war and the US intervention in Venezuela . [ 20 ] In February, the DoD demanded the use of Claude for all lawful purposes, but Anthropic refused to drop restrictions against mass domestic surveillance and fully autonomous weapons . The dispute led the Trump administration to pha

illion cloud computing deal with Akamai Technologies . [ 49 ] Also in May, The New York Times reported that Anthropic was seeking to file an initial public offering (IPO), with a target of debuting in the fall of 2026. [ 50 ] On June 1, Anthropic announced it had filed confidential IPO papers with the United States Securities and Exchange Commission . [ 51 ] On April 7, 2026, Anthropic announced C

ard St , San Francisco Type Public benefit corporation Private Industry Artificial intelligence Founded January 26, 2021 (5 years ago) ( 2021-01-26 ) [ 1 ] Founders Dario Amodei Daniela Amodei Jared Kaplan [ 2 ] Jack Clark [ 3 ] Chris Olah [ 4 ] Ben Mann [ 5 ] Sam McCandlish [ 4 ] Tom Brown [ 4 ] Headquarters 500 Howard Street , [ 6 ] San Francisco , California, U.S. Key people Dario Amodei ( CEO

t infringement lawsuit from authors for $1.5 billion. [ 19 ] Anthropic conducts LLM research including on mechanistic interpretability , safety , alignment , and societal impact . Notable researchers working at Anthropic include Andrej Karpathy , John M. Jumper , Jan Leike , Chris Olah , Amanda Askell , and Levent Alpöge . Anthropic partners with cloud providers including Palantir . From 2024, Cla

in San Francisco , California. [ 11 ] Its flagship product is Claude , a series of proprietary large language models (LLMs). In January 2021, with the goal of promoting AI safety , Anthropic was founded by former members of OpenAI , including siblings Daniela Amodei and Dario Amodei , who are president and CEO, respectively. [ 12 ] The company is privately held but plans an initial public offering

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