LangChain
LangGraph
Open-source framework from LangChain for building complex custom and multi-agent systems in code.
Our editorial assessment as of Jun 4, 2026, based on the public sources listed below.
Rank in Agent
#7
Tier
A
Score
73.0
Underlying model
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Strengths
- Open-source and free, with paid LangSmith Pro for observability
- A developer favorite for complex custom agent graphs
- Flexible control over handoffs, state, and tool calling
Considerations
- Requires engineering skill, not a no-code platform
- Governance is left to the developer compared to enterprise-first tools
Price
Free open-source; LangSmith Pro from $39/mo plus model API costs
Score breakdown
Performance
78.0
Reputation
72.0
Price
80.0
Recency
82.0
Verification status
Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.
Sources
- Top 13 Enterprise Agent Builder Platforms for 2026 | VellumAccessed: 2026-06-03
- State of AI Agents | LangChainAccessed: 2026-06-03
- Best AI Agent Platforms You Need to Know About Right Now in 2026Accessed: 2026-05-26
- 7 Best AI Agents in 2026: No-Code to Enterprise (Ranked)Accessed: 2026-05-26