LangChain is an agent engineering platform and open-source AI development framework co-founded by Harrison Chase and Ankush Gola. LangChain's Twitter Score is 145 out of 1000 (an Excellent rating) as of July 2026, ranking #4,711 (top 5%) among 389,587 tracked accounts.
LangChain was co-founded by Harrison Chase and Ankush Gola and is best known for its open-source LLM and AI agent development frameworks, which have surpassed 1 billion cumulative downloads. The platform's product suite centers on LangSmith, an observability and evaluation tool that ingests over 1 billion events per day, and LangGraph, a framework for building stateful agent workflows. LangChain says it works with 35% of the Fortune 500, with Coinbase listed among teams using LangSmith on its official homepage.
LangChain raised a $125 million Series B funding round on October 20, 2025, at a $1.25 billion valuation, per the company's announcement. The round was backed by Benchmark, Sequoia Capital, and IVP. LangChain has accumulated 256,750 followers as of July 2026 and has published 11,136 posts. The account has been mentioned by 205 accounts, with 380 total mentions.
Who follows LangChain on X?
The accounts that follow LangChain include 680 founders, 140 angel investors, 234 influencers and 20 VCs, among them Toly, 6529, smolting wassie, verse, Andrej Karpathy, Udi BIP-110 and Gmoney.