LangGraph
Library from LangChain for building stateful, multi-actor agents as graphs.
Rankings
79
#1 in Agent Frameworks
Pick this if you need fine-grained control over agent state and flow.
Score breakdown
| Editorial fit estimated | 88 |
| GitHub stars | 43,368 → 93 |
| HN stories (90d) | 16 → 41 |
| Pricing | Free, open source |
| Signals fetched | Oct 16, 2026 |