Foundation Models

Anthropic

Anthropic develops AI models like Claude, focusing on safety and interpretability.

Founded
2021
Last valuation
$380 billion (February 2026)
Key product
Claude Opus 4.5
Notable backer
Google
Headquarters
500 Howard Street, San Francisco, California, U.S.
Employees
2,500 (2026)
Strategic partnership
Amazon
Valuation in secondary market
$1 trillion (April 2026)

About

Anthropic is an American artificial intelligence company headquartered in San Francisco, specializing in the development of large language models (LLMs) with a strong emphasis on safety and interpretability. Founded in 2021 by former OpenAI researchers, including Dario Amodei and Daniela Amodei, the company has rapidly emerged as a significant player in the AI industry.

The company's flagship product, Claude, is a family of LLMs designed to be reliable, steerable, and aligned with human values. Claude models support long context windows and excel in reasoning, competing with rivals on benchmarks while prioritizing safety alignment. The lineup includes Claude Opus 4.5, Sonnet 4.5, and Haiku 4.5, each tailored for different applications ranging from complex analysis to everyday tasks.

In February 2026, Anthropic secured $30 billion in Series G funding, valuing the company at $380 billion. This funding round was led by major investors, including Google and Amazon, reflecting strong confidence in Anthropic's vision and products. The company has also formed strategic partnerships with tech giants like Google and Amazon, enhancing its computational capabilities and market reach.

Anthropic's rapid growth has disrupted the AI industry, with its valuation reaching $1 trillion in the private secondary market as of April 2026, surpassing competitors like OpenAI. The company's commitment to AI safety and interpretability has positioned it as a leader in the field, influencing both technological advancements and policy discussions surrounding artificial intelligence.

Why it matters

Anthropic's focus on AI safety and interpretability has led to the development of the Claude family of large language models, which prioritize reliability and alignment with human values. The company's rapid growth, marked by significant funding rounds and strategic partnerships, underscores its influence in the AI industry. Anthropic's valuation reaching $1 trillion in the private secondary market highlights the market's confidence in its approach and products.

Notable for

Anthropic's Claude AI models prioritize safety and interpretability in large language models.

Flagship products

ClaudeClaude CodeModel Context Protocol

Founders & key people

Tags

foundation-modelsai-safetyenterprise-ai