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Anthropic

Anthropic is the San Francisco company behind the Claude family of models, Claude Code and the Claude developer platform. It is organized as a public benefit corporation and presents AI safety research as central to its business, a claim this page tracks against what it actually ships and discloses.

Follow via RSS Get Anthropic alerts18 stories · updated Oct 9

Fact file

Legal formPublic benefit corporation (Anthropic PBC)

Registered address548 Market St, PMB 90375, San Francisco, CA 94104

Founded2021 (incorporation January 2021 reported by secondary sources; no official page states the date)

First public announcementMay 28, 2021 ($124M funding round)

First Claude releaseMarch 14, 2023 (Claude and Claude Instant)

MCP announcedNovember 25, 2024

MCP donated to Agentic AI Foundation (Linux Foundation)December 9, 2025

Current API models (Oct 8, 2026)Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 5.5

ProductsClaude apps, Claude Platform (API), Claude Code, Claude Agent SDK

Facts verified Oct 8

Products & related

Claude11 Claude Code12 Model Context Protocol (MCP)6

Start here

ExplainerAnthropic explained: history, products and how it makes money

GuideBuild your first agent with the Claude Agent SDK (TypeScript, October 2026)

Latest on Anthropic

Oct 9Agents · News6 minThe Week in AI #2: Sonnet 5.5, OpenAI DevDay and a gated Gemini 4 Oct 9Agents · News4 minThe Week in AI #1: Opus 5.5, GPT-6 Sol and Grok 4.7 land within 48 hours Oct 9Business · News4 minOpenAI reportedly seeks $30 billion at a $1.4 trillion valuation as it deepens Atlassian deal Oct 9Policy · News5 minChatGPT starts watermarking text in the EU as the AI Act's marking deadline approaches Oct 9Models · Analysis7 minWhat the Claude Opus 5.5 system card actually says Oct 9Business · Analysis8 minToken pricing isn't the story: what the official price pages actually tell you Oct 9Hardware · Analysis8 minThe gigawatt datacenter race: what's announced, what's running, and what's holding it back Oct 9Models · Analysis9 minDo AI labs really ship 'mini' models first? What the release record since 2024 shows Oct 9Apps · Explainer6 minThe Claude app, explained: plans, models, Cowork and how usage limits work Oct 9Agents · Explainer8 minClaude Code mods, explained: what Anthropic's new extension layer can do, where it runs, and the security trade-off

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Timeline

DEC 2025MCP donated to Agentic AI Foundation (Linux Foundation)

NOV 2024MCP announced

MAR 2023First Claude release

MAY 2021First public announcement