Best Open Source large language models Libraries
A curated list of the most popular GitHub repositories tagged with large language models. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1langflow-ai/langflow
Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
#2rasbt/LLMs-from-scratch
Implement a ChatGPT-like LLM in PyTorch from scratch, step by step
#3mlabonne/llm-course
Course to get into Large Language Models (LLMs) with roadmaps and Colab notebooks.
#4binary-husky/gpt_academic
为GPT/GLM等LLM大语言模型提供实用化交互接口，特别优化论文阅读/润色/写作体验，模块化设计，支持自定义快捷按钮&函数插件，支持Python和C++等项目剖析&自译解功能，PDF/LaTex论文翻译&总结功能，支持并行问询多种LLM模型，支持chatglm3等本地模型。接入通义千问, deepseekcoder, 讯飞星火, 文心一言, llama2, rwkv, claude2, moss等。
#5hiyouga/LlamaFactory
Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)
#6FlowiseAI/Flowise
Build AI Agents, Visually
#7ray-project/ray
Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.
#8google/langextract
A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.
#9asgeirtj/system_prompts_leaks
Collection of extracted System Prompts from popular chatbots like ChatGPT, Claude & Gemini
#10langfuse/langfuse
🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23
#11HKUDS/LightRAG
[EMNLP2025] "LightRAG: Simple and Fast Retrieval-Augmented Generation"
#12stanford-oval/storm
An LLM-powered knowledge curation system that researches a topic and generates a full-length report with citations.
#13deepset-ai/haystack
Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
#14aishwaryanr/awesome-generative-ai-guide
A one stop repository for generative AI research updates, interview resources, notebooks and much more!
#15ymcui/Chinese-LLaMA-Alpaca
中文LLaMA&Alpaca大语言模型+本地CPU/GPU训练部署 (Chinese LLaMA & Alpaca LLMs)
#16AI4Finance-Foundation/FinGPT
FinGPT: Open-Source Financial Large Language Models! Revolutionize 🔥 We release the trained model on HuggingFace.
#17agentscope-ai/agentscope
Build and run agents you can see, understand and trust.
#18BradyFU/Awesome-Multimodal-Large-Language-Models
:sparkles::sparkles:Latest Advances on Multimodal Large Language Models
#19stas00/ml-engineering
Machine Learning Engineering Open Book
#20camel-ai/camel
🐫 CAMEL: The first and the best multi-agent framework. Finding the Scaling Law of Agents. https://www.camel-ai.org
#21GoogleCloudPlatform/generative-ai
Sample code and notebooks for Generative AI on Google Cloud, with Gemini on Vertex AI
#22NVIDIA/Megatron-LM
Ongoing research training transformer models at scale
#23zai-org/ChatGLM2-6B
ChatGLM2-6B: An Open Bilingual Chat LLM | 开源双语对话语言模型
#24NVIDIA/DeepLearningExamples
State-of-the-Art Deep Learning scripts organized by models - easy to train and deploy with reproducible accuracy and performance on enterprise-grade infrastructure.
#25yzhao062/anomaly-detection-resources
Anomaly detection related books, papers, videos, and toolboxes. Last update late 2025 for LLM and VLM works!
#26OpenRLHF/OpenRLHF
An Easy-to-use, Scalable and High-performance Agentic RL Framework based on Ray (PPO & DAPO & REINFORCE++ & TIS & vLLM & Ray & Async RL)
#27activeloopai/deeplake
the GPU-native, sandboxed Postgres for AI agents
#28Tiiny-AI/PowerInfer
High-speed Large Language Model Serving for Local Deployment
#29FoundationVision/VAR
[NeurIPS 2024 Best Paper Award][GPT beats diffusion🔥] [scaling laws in visual generation📈] Official impl. of "Visual Autoregressive Modeling: Scalable Image Generation via Next-Scale Prediction". An *ultra-simple, user-friendly yet state-of-the-art* codebase for autoregressive image generation!
#30datajuicer/data-juicer
Data processing for and with foundation models! 🍎 🍋 🌽 ➡️ ➡️🍸 🍹 🍷
#31amazon-science/chronos-forecasting
Chronos: Pretrained Models for Time Series Forecasting
#32open-compass/VLMEvalKit
Open-source evaluation toolkit of large multi-modality models (LMMs), support 220+ LMMs, 80+ benchmarks
#33dust-tt/dust
Custom AI agent platform to speed up your work.
#34Tiendil/feeds.fun
News reader with tags, scoring, and LLM
#35thenicolas1894/awesome-claude-fable-5-prompt-vault
Ultimate Claude Fable 5 Guide 2026: Use Cases, Integrations & Benchmarks