Sample content · easy to replace
Agent frameworks & harnesses · LangChain
LangChain
Sample listing. Open-source framework and commercial platform (LangSmith and related products) for composing LLM applications and agents.
Last verified:
Features
- OSS libraries for chains, tools, and agents
- Observability / eval products under the LangSmith family
- Docs and versioning live on langchain.com and GitHub
Pricing summary
Framework is open source; hosted observability and enterprise features are paid as the vendor describes.
open-source · freemium · paid
Screenshots
Screenshot slot — add images later. Empty on purpose in this sample.
Sample directory listing. A framework is not a finished agent. Pair this with the harness glossary and the harness comparison stub.