Samuel Colvin - the creator of Pydantic - the most popular data validation library for Python. Used by literally everyone (Anthropic, OpenAI, Meta, NVIDIA, even the NSA). He shares the story behind his startup Logfire which just raised $12.5m from Sequoia.

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Key takeaways:
- You can just build a different product to your open source project and leverage your brand
- Quality of product matters a LOT (if you can build a popular open source project, can probably build a quality paid product)
- Really helps to be part of a movement. Hard to predict but Pydantic benefited from two (types and LLMs)
- GitHub stars are a vanity metric compared to download numbers

Links:
- Pydantic
- Logfire
- Samuel Colvin

Chapters
00:00 The Genesis of Pydantic
02:46 The Evolution of Software Development
06:02 Building a Successful Open Source Library
08:52 The Impact of Community and Adoption
11:51 Metrics of Success in Open Source
15:08 Transitioning from Pydantic to LogFire
17:59 The Vision Behind LogFire
20:50 The Connection Between Pydantic and LogFire
24:05 Navigating the Challenges of Building a Startup
26:56 The Future of Observability and Databases

P.s. thanks to my friend Abeed for making the episode happen!

Samuel Colvin

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