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Each item is one event, written from several sources, with a footnote for every fact.

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Funding

Anysphere raises $2.3B Series D

On 13 November 2025, Anysphere, the company behind Cursor, announced a $2.3 billion Series D at a $29.3 billion post-money valuation, saying it had crossed $1 billion in annualized revenue.

Funding

Microsoft and Nvidia invest in Anthropic

In November 2025 Nvidia and Microsoft announced up to $15 billion of investment in Anthropic, alongside a $30 billion commitment by Anthropic to buy Microsoft Azure compute running on Nvidia systems.

Funding

LangChain raises $125M Series B

On 20 October 2025, LangChain announced a $125 million Series B at a $1.25 billion valuation, led by IVP, and released LangChain 1.0, LangGraph 1.0 and new LangSmith tools.

Funding

Google invests in Anthropic

In October 2023 Google invested $500 million in Anthropic and committed $1.5 billion more over time, later agreeing to another $1 billion and, in 2025, a Google Cloud TPU deal worth tens of billions of dollars.

Funding

Amazon commits up to $4 billion to Anthropic

On 25 September 2023 Anthropic announced that Amazon would invest up to $4 billion for a minority stake. Amazon Web Services became Anthropic's primary cloud provider for mission-critical workloads.