AI startup Anthropic has raised $3.5 billion in a Series E at a $61.5 billion post-money valuation, led by Lightspeed Venture Partners.

Anthropic secures $3.5B in Series E funding at a $61.5B valuation, launching breakthrough AI models like Claude 3.7 Sonnet and Claude Code to drive global expansion.

Anthropic is adding more rocket fuel to its engine as the high-flying San Francisco startup behind the Claude chatbot and AI platform raised another $3.5 billion at a whopping $61.5 billion valuation.

About five weeks after scoring another $1 billion investment from Google, Anthropic has raised an additional $3.5 billion. The AI giant confirmed as much in a brief release, following early January rumblings of a $2 billion round at a staggering $60 billion valuation.