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Claude ○˒｜Definition｜1st｜20251119205401-00-⌔
Claude (language model) - Wikipedia
Claude (AI)
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 development.
Claude is trained using “constitutional AI”, a technique developed by Anthropic to improve ethical and legal compliance (AI alignment). Since Claude 3, each generation has typically been released in three sizes, from least to most capable: Haiku, Sonnet, and Opus. An additional model named Claude Mythos was released to a handful of companies in 2026.
US federal agencies started phasing out the use of Claude after Anthropic refused to remove contractual prohibitions on the use of Claude for mass domestic surveillance and fully-autonomous weapons.12 Following the refusal, the Department of Defense (DoD) designated the company a “supply chain risk” and barred all U.S. private military contractors, suppliers, and partners from doing business with the firm. On March 26, 2026, a federal judge issued a temporary injunction against the DoD’s designation.3
Printed 2026-06-28.
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Link to original Footnotes
“Trump has ordered government agencies to stop using Anthropic AI tools”. BBC. February 28, 2026. Retrieved February 28, 2026. ↩
Gold, Ashley (February 27, 2026). “These federal agencies may have a Claude problem now”. Axios. Retrieved February 28, 2026. ↩
John Ruwitch (March 26, 2026). “Judge temporarily blocks Trump administration’s Anthropic ban”. NPR. Retrieved May 31, 2026. ↩
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