Anthropic, the artificial intelligence company behind the Claude chatbot, has raised $13 billion in a Series E funding round, according to people familiar with the deal. The financing values the startup at $130 billion, underscoring investor confidence in the fast-growing AI market.

Amazon led the round, deepening its backing of one of the most closely watched challengers in generative AI. The company has attracted major interest from large technology firms and investors seeking exposure to advanced model development, enterprise tools, and consumer-facing AI products.

The size of the round places Anthropic among the most highly valued private technology companies in the world. It also reflects the continued rush of capital into AI startups, even as questions remain about competition, safety, regulation, and the long-term economics of the sector.

For Anthropic, the new funding should provide additional resources to expand its models, infrastructure, and commercial reach. For the wider market, the deal signals that investor appetite for AI remains intense despite the enormous costs required to build and scale frontier systems.