Comparison
langchain vs pydantic-ai
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
vs
| langchain | pydantic-ai | |
|---|---|---|
| Tagline | The agent engineering platform. | GenAI Agent Framework, the Pydantic way |
| Stars | 141k | 18k |
| Forks | 23k | 2.3k |
| Open issues | 405 | 492 |
| Language | Python | Python |
| License | MIT | MIT |
| Last pushed | Jul 7, 2026 | Jul 7, 2026 |
| Categories | AI Agents | AI Agents |
Choose langchain if…
- More widely adopted - 141k stars vs 18k.
- Leaner open-issue backlog (405).