LangChain, the framework for Large Language Model (LLM) powered applications, has had a rough but exciting year in 2023 with a series of rapid adaptations and innovative expansions.
They’ve been quick to keep up with the evolving AI landscape. The speed at which LangChain keeps pace with OpenAI’s rapid advancements with ChatGPT mirrors a parallel growth trajectory and matches OpenAI’s own pace of innovation.
We saw this in the consecutive updates LangChain launched after every development at OpenAI. For instance, in March LangChain released the API integration hours after OpenAI released the same feature. In July they quickly updated their function calling feature within hours of the OpenAI announcements. Last week, just as OpenAI incorporated Pinecone vector storage integrations, LangChain adopted it on the same day.
Apart from this they also quickly integrated ChatGPT 3.5, Davinci Codex, Fine tuning capabilities and Multimodal support. These updates often released within a few hours of OpenAI’s own releases correspond to the increasing pace LangChain sets itself. This allows developers to use OpenAI models easily, while also adding a range of AI tools.
LangChain is not only limited to OpenAI’s updates on ChatGPT but also extended its support to other LLMs like Cohere, Anthropic, and a diverse array of models on HuggingFace. Recently, they also released updates for Gemini and Mistral.
The LangChain way
Although LangChain can be used for ChatGPT, agent agnostic frameworks will play a core role in most serious implementations. You just can’t rely on one LLM provider alone.
The platform’s extensive support for different LLMs, including the latest versions, positions it as a complementary framework that enhances and extends the capabilities of these models.
This support is a critical aspect of LangChain, allowing developers to leverage OpenAI’s powerful models within a versatile and expansive framework.
Similar to OpenAI, LangChain has fostered a robust and active community. This community engagement mirrors OpenAI’s own approach to building a strong user base and responding to feedback, further aligning LangChain with the ethos and practices of OpenAI.
Most recently, LangChain introduced LangChain Expression Language (LCEL), which allows users to easily create and manage sequences of actions or instructions for AI models. It is a simple way to tell an AI model what steps to follow in order to complete a task. Instead of writing complex code, you can use LCEL to clearly define these steps, making it easier to build and modify AI applications.
Additionally, LangChain underwent a structural evolution, splitting into ‘langchain-core’, ‘langchain-community’, and ‘langchain’. This modular approach has streamlined the platform, facilitating stable and efficient deployment in production environments.
Competitive edge
LangChain’s diverse support for LLMs and its advanced features have given it a competitive edge in the AI market. The platform’s broad range of integrations, including various vector stores and model providers, positions it as a versatile and powerful tool for LLM applications. Its approach to advanced retrieval strategies further underlines the importance LangChain places on enhancing the capabilities and effectiveness of LLMs in practical applications.
In comparison, competitors like PromptChainer and AutoChain cater to specific market segments. PromptChainer, with its visual programming interface, appeals to users seeking simpler, more accessible LLM workflows, while AutoChain’s minimalist design attracts those who prefer direct control and rapid prototyping.
AgentGPT, offering browser-based AI agent development, is noted for its user-friendly interface and is popular for browser-centric applications. BabyAGI, still in early development, promises innovative task-driven AI but currently occupies a niche space.
Other competitors like LlamaIndex address particular aspects of LLM application development and do not directly compete with LangChain’s extensive feature set and adaptability.
Overall, LangChain’s comprehensive and adaptable framework appears to have broader appeal, especially for sophisticated LLM applications.
The platform’s journey through 2023 has been characterised by rapid adaptation, innovative development, and a steadfast commitment to serving its community.
Its ability to keep pace with the latest advancements in AI, combined with its expanding range of features and integrations, cements LangChain’s position as a leading framework in the realm of LLM applications.
The Problem with Speed
LangChain, despite its rapid development pace, faces challenges with accuracy and user concerns, particularly regarding documentation and platform complexity.
Users on social media platforms and HackerNews have raised complaints about the platform’s handling of multiple tasks simultaneously. In response, Harrison Chase, actively engaged with users, acknowledged the difficulties of managing a small team amidst the fast-paced nature of the industry. LangChain is working on consistent updates, overhauling documentation, tooling, and customisability.
Despite criticisms, some users recognise LangChain as superior to alternatives, likening it to democracy with widespread complaints but acknowledged effectiveness.