Agent management startup LangChain has raised a $300 million Series C at a $3B valuation led by CapitalG, with participation from investors including Singapore’s GIC, DFJ Growth, IVP, and Sapphire Ventures, the company announced on Friday. That’s more than double its $1.25 billion valuation when it raised $125 million about a year ago, led by IVP. LangChain
