Pyyan / Compare / DSPy vs LangGraph vs Pydantic AI
Agent Frameworks · verified 13 Aug 2026
| Specification | DSPy | LangGraph | Pydantic AI |
|---|---|---|---|
| Summary | Compiles prompts instead of hand-writing them. | Most battle-tested for stateful production. | Type-safe, schema-validated agents. |
| Model | Compiler | Graph | Typed |
| Language | Python | Python, JS | Python |
| Status | Active | Active | Active |
| Category | Agent Frameworks | Agent Frameworks | Agent Frameworks |
| Official | Stanford NLP ↗ | LangChain ↗ | Pydantic ↗ |
Highlighted rows are where these differ.
Best for production.