LangChain

16 statements across 11 episodes · 8 bullish · 1 bearish · 10 people on the record · first statement Sep 20, 2023 by Youssef Rizk · said 96 times in 37 episodes since 2023 · across every show →

Mentions by year

brought up most by Shawn Wang (29), Alessio Fanelli (12), Harrison Chase (10), James Reggio (4), Umar Jamil (3), Vasek Mlejnsky (2), Sunil Pai (2), Shunyu Yao (2)

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2026 11 mentions in 4 episodes 3 per episode
2025 37 mentions in 16 episodes 2 per episode
2024 31 mentions in 12 episodes 3 per episode
2023 17 mentions in 5 episodes 3 per episode

every mention, scene by scene, with the transcript →

Everything said about LangChain, oldest first

Sep 20, 2023 neutral
Disclosure
Rizk: Wondercraft has never used LangChain
“You know, I like Langchain. Never used it. Never ever used it.”
Youssef Rizk Sep 20, 2023 ▶ 56:22 Generating your AI Media Empire - with Youssef Rizk of Wondercraft.ai
Oct 12, 2023 positive
Insight
Liu: Developers should build RAG from scratch before using framework abstractions
“Building, like, RAG from scratch. I mean, I think everybody should do it, I think. Like, I would check out the guide if you guys haven't already, and I think it's in our docs, but instead of just using you know, either the kind of, like the retriever query eng…”
Jerry Liu Oct 12, 2023 ▶ 1:12:32 RAG is a hack - with Jerry Liu of LlamaIndex
Apr 6, 2024 neutral
Opinion
Chase: Nobody in the AI industry knows how to properly solve memory.
“I don't think anyone knows how to deal with memory, and so I think all these different approaches are...”
Harrison Chase Apr 6, 2024 ▶ 54:05 Personal AI Meetup - Bee, BasedHardware, LangChain LangFriend, Deepgram EmilyAI
Apr 6, 2024 neutral
Disclosure
Chase: LangChain's experimental AI journaling app struggles to consolidate redundant memories.
“So one of the issues that we haven't really tackled is in this journaling app, if you notice in here, there's a bunch of ones that are really similar, right? And so, like, there's a clear kind of, like, consolidation or update or something procedure that, that…”
Harrison Chase Apr 6, 2024 ▶ 57:19 Personal AI Meetup - Bee, BasedHardware, LangChain LangFriend, Deepgram EmilyAI
Apr 24, 2024 neutral
Opinion
Liu: LangChain and LlamaIndex can hit $100M revenue, but billions uncertain
“I think the bigger challenge is like, okay, a hundred million dollars, probably pretty, pretty easy. It's just time and effort. And they have both like the manpower and the money to sort of solve those problems. I think it's just like, again, if you go the VC …”
Jason Liu Apr 24, 2024 ▶ 53:43 High Agency Pydantic over VC Backed Frameworks — with Jason Liu of Instructor
Sep 27, 2024 neutral
Assertion Supported
Chase: LangChain and other frameworks lack off-the-shelf Reflexion implementations
“I don't think we have like an off the shelf kind of like implementation of reflection and kind of like the general sense. I think the concepts like absolutely we see used in different kind of like specific cognitive architectures, but I don't think we have one…”
Harrison Chase Sep 27, 2024 ▶ 17:05 Language Agents: From Reasoning to Acting — with Shunyu Yao of OpenAI, Harrison Chase of LangGraph
Sep 27, 2024 neutral
Insight
Harrison Chase says production AI agents rely on three main defaults
“And there's such a long tail of other ones, but in practice, like, when people go to production, they generally have their own tools, or maybe one of those three, maybe some other ones, but, like, very, very few other ones.”
Harrison Chase Sep 27, 2024 ▶ 9:49 Language Agents: From Reasoning to Acting — with Shunyu Yao of OpenAI, Harrison Chase of LangGraph
Sep 27, 2024 neutral
Opinion
Harrison Chase says ReAct is the most popular agent prompting framework
“I would say like reacts probably like the most popular. I think there's aspects of reflection that Get used. Tree of thought, probably like the least so.”
Harrison Chase Sep 27, 2024 ▶ 25:23 Language Agents: From Reasoning to Acting — with Shunyu Yao of OpenAI, Harrison Chase of LangGraph
Sep 27, 2024 negative
Disclosure
Harrison Chase admits LangChain's memory service lacked product-market fit
“The memory service we launched, I don't think really found product market fit.”
Harrison Chase Sep 27, 2024 ▶ 1:12:12 Language Agents: From Reasoning to Acting — with Shunyu Yao of OpenAI, Harrison Chase of LangGraph
Sep 27, 2024 positive
Assertion Supported
Harrison Chase says TypeScript yields better LLM tool-calling performance than JSON
“I saw some paper that used TypeScript notation instead of JSON notation for tool calling and it got a lot better performance.”
Harrison Chase Sep 27, 2024 ▶ 46:42 Language Agents: From Reasoning to Acting — with Shunyu Yao of OpenAI, Harrison Chase of LangGraph
Nov 15, 2024 bullish
Disclosure
Florent Crivello: Lindy is to LangChain as Airtable is to MySQL
“We are a no-code platform letting you build your own AI agents easily. So you can think of, we are to Langchain as Airtable to MySQL. Like you can just pin up AI agents super easily by clicking around and no code required. You didn't have to be an engineer and…”
Florent Crivello Nov 15, 2024 ▶ 0:36 Agents @ Work: Lindy.ai (with live demo!)
Jan 1, 2025 positive
Assertion Supported
Fanelli: LangChain and LlamaIndex usage grows on PyPI while CrewAI stays flat
“So if you look at, you know, like chain still growing. These are the last, last six months. Lama index still growing. What I've basically seen is like things that one, obviously these things have a commercial product. So there's like people buying this and sti…”
Alessio Fanelli Jan 1, 2025 ▶ 53:17 2024 Year in Review: The Big Scaling Debate, the Four Wars of AI, Top Themes and the Rise of Agents
Feb 6, 2025 positive
Prediction Held up
Colvin: Pydantic AI will be first framework implementing OpenTelemetry GenAI attributes
“I suspect Pedantic AI will be the first agent framework that implements those semantic attributes properly, because again, we control Pedantic AI, and we can say this is important for observability, whereas most of the other agent frameworks are not maintained…”
Samuel Colvin Feb 6, 2025 ▶ 35:25 Agent Engineering with Pydantic + Graphs — with Samuel Colvin, CEO of Pydantic Logfire
Apr 24, 2025 positive
Assertion Supported
Mlejnsky: LangChain gets 20 million monthly downloads and remains popular
“Well, I have a, I have, I don't know if this is an unpopular opinion, but, like, people keep telling me, ah, Langchain isn't popular, but if you look at its stats, like, it has twenty million downloads per month. How can you have not popular framework when it …”
Vasek Mlejnsky Apr 24, 2025 ▶ 40:11 Why Every Agent needs Open Source Cloud Sandboxes
Aug 19, 2025 positive
Assertion Supported
Huber: Chroma is the most used project across LangChain and LlamaIndex
“For many years running, Chrome has been the number one used project broadly, but also within communities like LinkChain and Llama Index.”
Jeff Huber Aug 19, 2025 ▶ 8:43 Long Live Context Engineering - with Jeff Huber of Chroma
Sep 11, 2025 positive
Insight
Martin: Multi-agent systems excel at parallel read-only tasks, not writing tasks
“I like the take that apply multi-agents to problems that are easily parallelizable, that are read-only, for example, context gathering for deep research, and do, like, the final quote-unquote write, in this case report writing, at the end. I think this is tric…”
Lance Martin Sep 11, 2025 ▶ 14:54 Context Engineering for Agents - Lance Martin, LangChain
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