CrewAI
Orchestrating teams ("crews") of role-based agents in Python.
verified 2026-11-02
Agent frameworks & automation · open source
LangChain / LangGraph + LangSmith
Open-source frameworks (LangChain, LangGraph) plus the LangSmith platform for tracing, evals and deployment.
Best for: Building custom, stateful agents in code and tracing, evaluating and deploying them.
Pricing
| Free tier | Yes. Developer plan $0 (1 seat, 5k base traces/month, 1 free small serverless deployment). |
|---|---|
| Paid plans | Plus $39/seat/mo plus usage. Startup credits up to $10,000 for VC-backed companies. |
| Maker | LangChain |
| Source | https://www.langchain.com/pricing |
| Last verified |
Pros
- Open-source core
- Strong observability via LangSmith
Cons
- Usage-based platform costs on top of seats
- Steeper learning curve than no-code tools
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FAQ
Is LangChain / LangGraph + LangSmith free?
Yes. Developer plan $0 (1 seat, 5k base traces/month, 1 free small serverless deployment).
How much does LangChain / LangGraph + LangSmith cost?
Plus $39/seat/mo plus usage. Startup credits up to $10,000 for VC-backed companies.
What is LangChain / LangGraph + LangSmith best for?
Building custom, stateful agents in code and tracing, evaluating and deploying them.
Who makes LangChain / LangGraph + LangSmith?
LangChain / LangGraph + LangSmith is made by LangChain.
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