Pydantic

9 engineers on Hacker News describe using Pydantic first-hand: 2 endorse it, 0 regret it, 0 are mixed.

75%trust
9first-hand users
8in production
endorse 2mixed 0regret 0uses, no opinion

“I am a firm fan of Pydantic and its competitors when dealing with JSON blobs.”

endorse · production · EdwardDiego · 2023-06-05 · source ↗ · wrong label?

“Coupled with Pydantic for validation it really does make things easy :D”

endorse · production · 0.7 yr · elm_ · 2019-12-03 · source ↗ · wrong label?

“We use Pydantic heavily”

neutral · production · shrumm · 2025-12-16 · source ↗ · wrong label?

“I essentially pieced together a basic task registration decorator class with pydantic's validate_call decorator and let pydantic handle the serialization/deserialization.”

neutral · production · halfcat · 2024-11-30 · source ↗ · wrong label?

“for getting great structured outputs from LLMs with pydantic.”

neutral · personal · celestialcheese · 2023-12-27 · source ↗ · wrong label?

“a lot of direct usage of Pydantic, Celery with RabbitMQ/Redis for task processing.”

neutral · production · clepto · 2021-12-07 · source ↗ · wrong label?

“I'm running a FastAPI deployment in prod already today using both Pydantic models for the app / API itself”

neutral · production · tedmiston · 2021-08-25 · source ↗ · wrong label?

“We switched to Pydantic from dictionaries.”

neutral · production · EamonnMR · 2021-08-03 · source ↗ · wrong label?

“we've replaced it with a custom pipeline of Pydantic schemas and objects”

neutral · production · wp381640 · 2021-02-11 · source ↗ · wrong label?