Best Open Source LLM Frameworks

Ranked by GitHub stars and 295 days of tracked growth. The top open source LLM frameworks below are updated daily — pick two to see a full side-by-side comparison.

1
ECC
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
⭐ 246.0k +31.6%
2
hermes-agent
The agent that grows with you
⭐ 239.7k +404.6%
3
AutoGPT
AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.
⭐ 187.1k +4.2%
4
ollama
Get up and running with Kimi-K2.6, GLM-5.2, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.
⭐ 179.9k +15.5%
5
firecrawl
The context API to search, scrape, and interact with the web at scale. 🔥
⭐ 175.5k +160.9%
6
prompts.chat
f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.
⭐ 168.5k +16.9%
7
transformers
🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.
⭐ 164.7k +8.1%
8
dify
Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.
⭐ 154.2k +30.1%
9
open-webui
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
⭐ 150.7k +31.2%
10
langchain
The agent engineering platform.
⭐ 145.5k +21.9%
11
ponytail
Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
⭐ 120.6k +113.2%
12
MoneyPrinterTurbo
利用 AI 大模型和自动化工作流,根据主题或关键词一键生成高清短视频。Generate HD short videos from a topic or keyword with an automated AI workflow.
⭐ 119.7k +151.1%

⚖️ Compare LLM frameworks head-to-head

Real adoption data, side by side.

ECC vs hermes-agent ECC vs AutoGPT hermes-agent vs AutoGPT ECC vs ollama ECC vs firecrawl hermes-agent vs ollama hermes-agent vs firecrawl ECC vs prompts.chat