LangChain
LangGraph
Open-source framework from LangChain for building complex custom and multi-agent systems in code.
Our editorial assessment, based on the public sources listed below. Last reviewed .
- Task rank
- #2
- Tier
- S
- Score
- 86.5
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
Shown for reference — price is not part of the score.
Score breakdown
- Performance
- 86.0
- 55% of score
- Reputation
- 85.0
- 35% of score
- Recency
- 94.0
- 10% of score
The overall score combines these sub-scores using the weights shown. How we score →
Verification status
Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.
- Pricing
- Benchmark
- Reputation
- Feature list
Checked against the sources listed below.
Sources
- ClickIT: LangChain 1.0 vs LangGraph 1.0 — which to use in 2026 (opens in a new tab)Accessed:
- Uvik: LangChain vs LangGraph 2026 decision guide (opens in a new tab)Accessed:
- LangGraph — official (opens in a new tab)Accessed:
- LangGraph releases on GitHub (opens in a new tab)Accessed:
- GitHub: langchain-ai/langgraph releases (langgraph 1.2.12) (opens in a new tab)Accessed:
Show 12 more sources
- LangChain changelog: LangGraph 1.0 generally available (opens in a new tab)Accessed:
- State of AI Agents | LangChain (opens in a new tab)Accessed:
- LangChain — The best AI agent frameworks in 2026 (opens in a new tab)Accessed:
- Dupple — The 8 Best AI Agent Platforms in 2026 (opens in a new tab)Accessed:
- Bannerbear — Top 9 AI Agent Builders in 2026 (opens in a new tab)Accessed:
- StackAI — Best AI agent building platforms in 2026 (opens in a new tab)Accessed:
- Best AI agent platforms of 2026: ranked and reviewed (opens in a new tab)Accessed:
- Best AI Agent Building Tools in 2026 (No-Code) (opens in a new tab)Accessed:
- Best AI Agent Platforms and Tools in 2026 (TrueFoundry) (opens in a new tab)Accessed:
- Top 13 Enterprise Agent Builder Platforms for 2026 | Vellum (opens in a new tab)Accessed:
- Best AI Agent Platforms You Need to Know About Right Now in 2026 (opens in a new tab)Accessed:
- 7 Best AI Agents in 2026: No-Code to Enterprise (Ranked) (opens in a new tab)Accessed:
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