Anthropic PBC has raised $3.5 billion in a late-stage funding round at a valuation of $61.5 billion.
The investment round was led by Lightspeed Venture Partners and included participation from Cisco Investments and Salesforce Ventures.
The funding will be used to enhance Anthropic's AI systems and support research into mechanistic interpretability.
Anthropic recently launched its latest large language model, Claude 3.7 Sonnet, which offers customizable thinking time and an agentic coding tool called Claude Code.