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As of right now, LangChain is the easiest-to-use and most popular software library for composing LLM-powered systems together.

The funding will help the team make it into a polished product.

In particular, I expect LangChain will start offering prebuilt hosted services that developers can use as components for building third-party apps.

Congrats to the LangChain team!



Money != polish, money means they now need to find a way of earning money from it. This is sometimes how FOSS goes to die.


This one is right in the middle of the action - the plugin market. It is the Android to OpenAI's iOS. Everyone needs a second option.


Another thing people seem to forget is that Langchain can use LLMs that aren't made by OpenAI.

If OpenAI goes under, or a great open-source model comes onto the scene, Langchain can still do its thing.


this is a seed round, the goal is to get growth, and after series C/D/E expectation will be to get into profitability.


Meaning, bait-and-switch users by all means necessary (but after series C). I'm really looking forward to it.


but you have to at least have a monetization strategy right?


Consulting, paid plugins.


FYI: the signup link on your home page leads to the about page instead.


Sorry, which home page, I don't have any )


Doh, I thought you were from LongChain.


Maybe a managed solution, too.


This is the path forward that I see for Langchain commercialization as well. As we begin to see more and more products built atop LLMs, these hosted services could form the backbone for a lot of those applications.

Disclaimer: We - Milvus (https://milvus.io) and Zilliz (https://zilliz.com) - and we have integrations as a vector store in Langchain.




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