AI Leader Reveals The Future of AI AGENTS (LangChain CEO)

Matthew Berman
2 May 202416:22

TLDRHarrison Chase, CEO of LangChain, discusses the future of AI agents at a Sequoia event. LangChain is a framework for integrating various AI tools easily. Chase explains that agents are more than complex prompts; they have tools, memory, and can perform actions and planning. He highlights the importance of planning, user experience, and memory in making agents production-ready. The talk also touches on the role of human-in-the-loop for reliability and the potential of agent frameworks in coordinating models and tools for enhanced performance.


  • 😀 Harrison Chase, CEO of LangChain, discusses the future of AI agents and their capabilities beyond just complex prompts.
  • 🔧 LangChain is a framework that simplifies the integration of various AI tools, emphasizing the importance of agents in application development.
  • 🧠 Agents are not just large language models; they are equipped with tools, memory, planning abilities, and can perform actions, making them more than just prompts.
  • 🛠️ The addition of short-term and long-term memory to agents has significantly improved their performance, as demonstrated by Crew AI's framework.
  • 📈 Planning is a crucial aspect of agent development, allowing models to reflect, plan ahead, and break down complex tasks into subtasks.
  • 🤖 The user experience (UX) of agent applications is still evolving, with the 'human in the loop' approach being essential for reliability and quality.
  • 🔄 The concept of 'rewind and edit' in agent UX allows for more informed decision-making and increased reliability by revisiting past actions.
  • 💡 Personalized and procedural memory are vital for agents to provide a tailored experience and remember correct procedures for future tasks.
  • 🔑 Flow engineering is highlighted as a key component in agent development, focusing on designing the workflow for better performance.
  • 🌐 The coordination of different models and agents, facilitated by agent frameworks, will continue to be valuable even as models evolve.
  • 🚀 The future of agents involves exploring new architectures and prompting strategies that enable models to reason, plan, and think more effectively.

Q & A

  • What is LangChain and what does it allow developers to do?

    -LangChain is a popular coding framework that enables developers to easily integrate various AI tools together, creating a chain of functionalities that can be utilized by agents.

  • What is the significance of agents beyond just being complex prompts according to Harrison Chase?

    -Agents are more than just complex prompts; they have additional capabilities such as tool usage, memory (both short-term and long-term), planning, and the ability to perform actions, which significantly enhance their functionality.

  • What are the two types of memory that agents can utilize and how do they contribute to agent performance?

    -Agents can utilize short-term memory, which is the memory between or within conversations, and long-term memory, like the rag (retrieval augmented generation) model. These memory features allow agents to save and retrieve information for later use, significantly improving their performance.

  • What does Harrison Chase suggest as a key area for developers to focus on for making agents production-ready?

    -Harrison Chase suggests that developers should focus on planning, user experience (UX), and memory as key areas to make agents production-ready and effective in real-world applications.

  • What is the concept of 'planning' in the context of AI agents and why is it important?

    -In the context of AI agents, 'planning' refers to the ability of the agent to reflect, plan ahead, break down complex tasks into subtasks, and perform actions accordingly. It is important because it allows the agent to handle multiple steps and make informed decisions, enhancing its overall capability.

  • What is the role of 'flow engineering' in the development of AI agents?

    -Flow engineering is crucial in the development of AI agents as it involves explicitly designing the workflow or state machine that guides the agent's actions. It helps in offloading the planning to human engineers and contributes to the overall performance and reliability of the agent.

  • Why is the 'human in the loop' approach significant in the context of AI agents?

    -The 'human in the loop' approach is significant because it allows for the correction and guidance of AI agents, especially when they produce substantial deliverables. It helps maintain consistency, reliability, and quality, and is particularly important for large enterprise companies.

  • What user experience (UX) feature does Harrison Chase highlight as particularly powerful and why?

    -Harrison Chase highlights the 'rewind and edit' ability as a powerful UX feature. It allows users to go back to a point in time where the agent was and then edit what it did or the state it's in, enabling more informed decision-making and enhancing the reliability of the agent.

  • How does memory play a role in personalizing the experience with AI agents?

    -Memory, both procedural and personalized, plays a crucial role in personalizing the experience with AI agents. Procedural memory helps agents remember the correct way to perform tasks, while personalized memory allows them to remember facts about users to make interactions more tailored and relevant.

  • What are some of the challenges related to the implementation of long-term memory in AI agents?

    -Challenges related to the implementation of long-term memory in AI agents include determining how much information to store, creating rules for when to forget something, and ensuring that the memory evolves with the changing needs of businesses.



🤖 Introduction to Agents and Lang Chain

In this introductory paragraph, the speaker discusses Harrison Chase, CEO and founder of Lang chain, who gave a talk at a Sequoia event about agents. Lang chain is a coding framework that simplifies the integration of various AI tools. Harrison's expertise on agents is highlighted, and the video aims to explore the current state and future of agents, their capabilities, and limitations. The talk emphasizes that agents are more than just complex prompts and introduces the concept of agents having tools, memory, and the ability to plan and perform actions, which significantly enhances their functionality beyond a simple language model.


🛠️ The Importance of Planning and Tool Usage in Agents

This paragraph delves into the significance of planning and tool usage in agents. It mentions the 'tree of thoughts' and 'reflection' papers, which are mechanisms that allow models to reflect on their responses and improve them. The speaker discusses the limitations of current language models in planning and the use of external prompting strategies to enforce planning. The paragraph also touches on the potential future where these prompting strategies might be integrated into model APIs or require a new architectural approach for models to reason and plan effectively.


🔍 Enhancing User Experience and Reliability in Agent Applications

The focus of this paragraph is on the user experience (UX) and reliability of agent applications. It discusses the necessity of a 'human in the loop' to ensure consistency and quality, given the propensity of large language models to hallucinate. The paragraph highlights strategies to reduce hallucinations and the importance of finding the right balance in the human involvement. It also explores innovative UX features like the ability to 'rewind' and edit agent actions, which can enhance reliability and steering ability. The speaker shares examples from Devon and Pythagora that demonstrate effective UX in agent applications.


🧠 The Role of Memory in Agent Frameworks and Future Developments

Memory plays a central role in this final paragraph, which discusses both short-term and long-term memory in agents. The speaker talks about the ability of agents to learn and improve through interaction, as well as the importance of personalized and procedural memory for enhancing user experience and business applications. The paragraph also addresses the complexities of managing memory, such as deciding what to store, when to forget, and how to adapt to changing business needs. The speaker expresses excitement about the ongoing development and integration of memory features in agent frameworks and the many questions that remain to be answered in this evolving field.




Agents, in the context of this video, refer to AI systems that can interact with the external world using a language model. They are not merely complex prompts but have the capability to utilize tools, possess memory for retaining information, and perform actions. The video emphasizes that agents are an evolution of AI, going beyond just processing language to executing tasks and making decisions, which is central to the future of AI as discussed by Harrison Chase.


LangChain is described as a popular coding framework that facilitates the integration of various AI tools in a seamless manner. It is a platform that allows developers to build applications, including agents, by connecting different AI components. Harrison Chase, the CEO of LangChain, is an expert in this domain, and the framework plays a significant role in the development and understanding of AI agents.

💡Large Language Model (LLM)

A Large Language Model, or LLM, is an AI model trained on vast amounts of data to understand and generate human-like text. In the video, the LLM is a fundamental component of an agent, providing the ability to process and generate language, which is then used to interact with tools and perform tasks. The script mentions that agents leverage LLMs to execute actions and make decisions.


Memory in the context of agents is divided into short-term and long-term. Short-term memory refers to the retention of information within or between conversations, while long-term memory, exemplified by technologies like Retrieval-Augmented Generation (RAG), is used for saving information to be utilized later. The video script highlights the importance of memory in enhancing agent performance and making them more effective.


Planning is a critical aspect of agent functionality, which involves reflection, self-critique, and breaking down complex tasks into subtasks. The video discusses how agents use planning to improve their ability to execute multi-step processes and make logical decisions. Harrison Chase mentions that planning is a key area of development for making agents more production-ready.

💡Tool Usage

Tool usage is the ability of agents to access and utilize various tools such as calendars, calculators, web browsers, and code interpreters. These tools enhance the capabilities of agents, allowing them to perform a wide range of tasks beyond what a language model alone can do. The script illustrates how agents with access to tools become more versatile and capable.

💡User Experience (UX)

User Experience, or UX, pertains to how users interact with agent applications. The video emphasizes the importance of designing an intuitive and effective UX for agent applications, which includes features like the ability to 'rewind' and edit agent actions. A good UX is crucial for making agent applications reliable and user-friendly.


Human-in-the-Loop is a concept where human oversight is integrated into AI systems to ensure reliability and accuracy. The video discusses the necessity of having humans involved in the process to correct and guide agents, especially when it comes to delivering substantial outcomes within an organization. It highlights the balance needed between automation and human intervention.

💡Crew AI

Crew AI is mentioned as a favorite agent framework that has recently implemented both short-term and long-term memory features, significantly improving agent performance. It represents an example of how frameworks are evolving to support the complex needs of AI agents, including memory and planning capabilities.

💡Flow Engineering

Flow Engineering refers to the design and optimization of the processes or 'flows' that agents follow to perform tasks. The video script suggests that flow engineering is a key component in the development of effective agents, allowing for better planning and coordination of actions. It is an emerging field that is critical to the advancement of AI agents.


Harrison Chase, CEO of LangChain, discusses the future of AI agents at a Sequoia event.

LangChain is a coding framework that simplifies the integration of various AI tools.

Agents are not just complex prompts; they have additional capabilities like tool usage, memory, and planning.

Agents can be equipped with tools such as calendars, calculators, web access, and code interpreters.

Memory is crucial for agents, with both short-term and long-term memory enhancing performance.

Crew AI has introduced short-term and long-term memory features, significantly improving agent performance.

Planning involves reflection, self-critique, and breaking down tasks into subgoals for agents.

The 'Tree of Thoughts' and 'Reflection' papers are highlighted as important for agent planning and reasoning.

Language models currently lack the ability to plan and think slowly, requiring external strategies.

The role of flow engineering in designing effective agent workflows is emphasized.

User experience (UX) is a key area for development in agent applications.

Human-in-the-loop is necessary for reliability but must be balanced to avoid undermining automation.

Devon's UX, featuring a unified interface for code, chat, and terminal, is praised for its effectiveness.

The ability to 'rewind' and edit agent actions is highlighted as a powerful UX feature.

Pythagora's AI coding assistant demonstrates the utility of rewind and edit functionality.

Memory in agents is crucial for personalization and adapting to business needs over time.

The importance of procedural and personalized memory for enhancing agent capabilities is discussed.

The talk concludes by emphasizing the early stages of agent development and the many open questions.