LangChain, which aims to help large companies build and deploy their own AI agents, raised $300M led by CapitalG at a $3B valuation, up from $1.25B in 2025 (Belle Lin/Wall Street Journal)

Belle Lin / Wall Street Journal : LangChain, which aims to help large companies build and deploy their own AI agents, raised $300M led by CapitalG at a $3B valuation, up from $1.25B in 2025, Alphabet's CapitalG led the $300 million investment into the startup as it targets enterprises with agent-development platform.