Software Engineering Radio - the podcast for professional software developers SE Radio 676: Samuel Colvin on the Pydantic Ecosystem
130 snips
Jul 10, 2025 
Samuel Colvin, CEO and founder of Pydantic, discusses the cutting-edge tools within his ecosystem, including Pydantic, Pydantic AI, and Pydantic Logfire. He dives into how these frameworks facilitate data validation and enhance performance through innovative features. Listeners learn about the transition to Rust in Pydantic V2 for better handling and integration with large language models. Colvin also highlights the importance of observability with Logfire and OpenTelemetry for streamlined application monitoring, making this a must-listen for Python developers.
AI Snips
Chapters
Transcript
Episode notes
Pydantic Enhances Python Types
- Pydantic enforces Python type hints at runtime, providing validation beyond standard static type checking.
- It also enables serialization and JSON schema generation, enhancing data integrity and interoperability.
Pydantic in High-Stakes Use
- Major institutions like banks, NASA, Microsoft, and OpenAI rely on Pydantic for critical data validation.
- Pydantic supports applications from interbank transfers to James Webb Space Telescope imagery services.
Rust Rewrite Boosts Performance
- Rewriting Pydantic's core from Python to Rust using PyO3 drastically improved performance.
- The Rust rewrite brought up to 80 times faster validation and serialization than the original Python implementation.