LangChain Inc. has successfully raised $125 million in Series B funding, reaching a valuation of $1.25 billion. The company offers an open-source AI agent development tool that simplifies the building of AI applications, allowing developers to switch language models seamlessly and improve productivity with its suite of tools, including LangGraph and LangSmith.

Lovable Labs Inc., a Swedish AI startup, has secured $200 million in funding, bringing its valuation to $1.8 billion. The company specializes in "vibe coding," an AI-assisted development method enabling rapid website and app creation through natural language instructions, and has already amassed over 180,000 paying subscribers within seven months of operations.