“The problem with LangChain is that it makes simple things relatively complex, and with that unnecessary complexity creates a tribalism which hurts the up-and-coming AI ecosystem as a whole.”
LangChain raised a $10 million seed and a Series A at a $200 million valuation with no revenue and no obvious plan to make any. Woolf spent a month trying to build a BuzzFeed recipe bot with it. A plain ReAct flow he wrote himself beat it on quality and accuracy right away. Investors put a $200 million price on a wrapper that makes API calls harder.