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Top 25 LLM Frameworks

We tested and reviewed the best llm frameworks tools in 2026. Every tool is evaluated on functionality, UX, pricing, and real-world performance.

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langchain

langchain-ai

agent-framework

langchain by langchain-ai is a AI-powered tool and platform. featuring intelligent automation and smart processing. **Related Tools:** <a href="/tools/llama-index">llama_index</a>, <a href="/tools...

7.7/10Grade B
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A

langgraph

langchain-ai

agent-framework

langgraph by langchain-ai is a AI-powered tool and platform. featuring intelligent automation and smart processing.

8.1/10Grade A
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A

langchainjs

langchain-ai

agent-framework

langchainjs by langchain-ai is a AI-powered tool and platform. featuring intelligent automation and smart processing.

8.0/10Grade A
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B

langgraphjs

langchain-ai

agent-framework

Framework to build resilient language agents as graphs.

7.6/10Grade B
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B

Langchain-Chatchat

chatchat-space

agent-framework

Langchain-Chatchat (formerly Langchain-ChatGLM) is a RAG and Agent application based on Langchain and language models such as ChatGLM, Qwen, and Llama | Langchain-Chatchat (formerly langchain-ChatGLM), local knowledge based LLM (like ChatGLM, Qwen and Ll

7.6/10Grade B
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B

langchaingo

tmc

agent-framework

LangChain for Go, the easiest way to write LLM-based programs in Go

7.5/10Grade B
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B

langchain_dart

davidmigloz

agent-framework

langchain_dart by davidmigloz is a AI-powered tool and platform. featuring intelligent automation and smart processing. designed for professional work and creative projects. with a good rating of 7.5/10 based on our 6-dimension evaluation.

7.5/10Grade B
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B

gemini-fullstack-langgraph-quickstart

google-gemini

agent-framework

Get started with building Fullstack Agents using Gemini 2.5 and LangGraph

7.7/10Grade B
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B

langchainrb

patterns-ai-core

agent-framework

langchainrb by patterns-ai-core is a AI-powered tool and platform. featuring intelligent automation and smart processing. designed for professional work and creative projects. with a good rating of 7.1/10 based on our 6-dimension evaluation.

7.1/10Grade B
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Robby-chatbot

yvann-ba

agent-framework

AI chatbot 🤖 for chat with CSV, PDF, TXT files 📄 and YTB videos 🎥 | using Langchain🦜 | OpenAI | Streamlit ⚡

7.0/10Grade B
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B

GPTCache

zilliztech

agent-framework

Semantic cache for LLMs. Fully integrated with LangChain and llama_index.

7.5/10Grade B
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B

bRAG-langchain

bragai

agent-framework

Everything you need to know to build your own RAG application

7.1/10Grade B
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B

llama-hub

run-llama

agent-framework

A library of data loaders for LLMs made by the community -- to be used with LlamaIndex and/or LangChain

7.2/10Grade B
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B

RasaGPT

paulpierre

agent-framework

💬 RasaGPT is the first headless LLM chatbot platform built on top of Rasa and Langchain. Built w/ Rasa, FastAPI, Langchain, LlamaIndex, SQLModel, pgvector, ngrok, telegram

7.4/10Grade B
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B

langchain-serve

jina-ai

agent-framework

⚡ Langchain apps in production using Jina & FastAPI

7.3/10Grade B
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C

streamlit-agent

langchain-ai

agent-framework

Reference implementations of several LangChain agents as Streamlit apps

6.9/10Grade C
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C

langchain-rust

Abraxas-365

agent-framework

🦜️🔗LangChain for Rust, the easiest way to write LLM-based programs in Rust

7.0/10Grade C
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C

langchain-chat-nextjs

zahidkhawaja

agent-framework

langchain-chat-nextjs by zahidkhawaja is a AI-powered tool and platform. featuring intelligent automation and smart processing. designed for professional work and creative projects. with a above average rating of 6.9/10 based on our 6-dimension ev...

6.9/10Grade C
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C

langchain-production-starter

steamship-core

agent-framework

Deploy LangChain Agents and connect them to Telegram

6.7/10Grade C
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C

create-t3-turbo-ai

zckly

agent-framework

Build full-stack, type-safe, LLM-powered apps with the T3 Stack, Turborepo, OpenAI, and Langchain

6.8/10Grade C
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C

LangChain.js-LLM-Template

IroncladDev

agent-framework

This is a LangChain LLM template that allows you to train your own custom AI LLM.

6.7/10Grade C
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C

DataChad

gustavz

agent-framework

Ask questions about any data source by leveraging langchains

6.7/10Grade C
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C

langchain-decorators

ju-bezdek

agent-framework

langchain-decorators by ju-bezdek is a AI-powered tool and platform. featuring intelligent automation and smart processing. designed for professional work and creative projects. with a above average rating of 6.8/10 based on our 6-dimension evalua...

6.8/10Grade C
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C

langchain-streamlit-template

hwchase17

agent-framework

langchain-streamlit-template by hwchase17 is a AI-powered tool and platform. featuring intelligent automation and smart processing. designed for professional work and creative projects. with a above average rating of 6.6/10 based on our 6-dimensio...

6.6/10Grade C
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C

Hands-On-LangChain-for-LLM-Applications-Development

youssefHosni

agent-framework

Practical LangChain tutorials for LLM applications development

6.5/10Grade C