langchain vs agent-lightning
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| langchain | agent-lightning | |
|---|---|---|
| Tagline | The agent engineering platform. | The absolute trainer to light up AI agents. |
| Stars | 141k | 17k |
| Forks | 23k | 1.5k |
| Open issues | 405 | 156 |
| Language | Python | Python |
| License | MIT | MIT |
| Last pushed | Jul 7, 2026 | Apr 29, 2026 |
| Categories | AI Agents | AI Agents, Model Training |
langchain
LangChain is an open-source framework for building agents and LLM-powered applications. It aids in chaining interoperable components and third-party integrations to simplify AI application development.
Python
agent-lightning
Agent Lightning is a Python tool designed for training and optimizing AI agents with minimal code changes. It supports various agent frameworks and includes features like reinforcement learning, automatic prompt optimization, and supervised fine-tuning. Users can selectively optimize one or more agents in a multi-agent system.
Python