LangChain
6.8#6 in llm application development frameworks$39 usage-basedFree planAPISelf-hosted
VisitLangChain vs Vellum
What both publish
| Fact | LangChain | Vellum |
|---|---|---|
| Headquarters | San Francisco, United States | United States |
| Integrations | LangChain documents 1000+ integrations across chat and embedding models, tools and toolkits, document loaders, and vector stores. | OAuth integrations include GitHub, Notion, Linear, Airtable, Spotify, Gmail, Google Calendar, Slack, and other services, while MCP servers provide additional tools. |
LangChain plans
- Developer (LangSmith)Free
- LangChain frameworkFree
- Plus (LangSmith)$39 a month
- Enterprise (LangSmith)Priced on request
Vellum plans
- BaseFree
- FreeFree
- Mighty$30 a month
- Custom$50 a month
- Super$100 a month
- Ultra$200 a month
Pick LangChain if…
LangChain suits developers building agents with models and tools, especially those who want to choose from documented integrations or switch model providers. Its Python and JavaScript/TypeScript examples support developers working in either language.
Pick Vellum if…
Vellum suits individuals seeking an assistant for files, calendars, email, code, and computer tasks. It is characterized as a personal assistant rather than a team or shared company tool.