Oxyde – Pydantic-native async ORM with a Rust core
Hi HN! I built Oxyde because I was tired of duplicating my models. If you use FastAPI, you know the drill. You define Pydantic models for your API, then define separate ORM models for your database, then write converters between them. SQLModel tries to fix this but it's still SQLAlchemy underneath. Tortoise gives you a nice Django-style API but its own model system. Django ORM is great but welded to the framework. I wanted something simple: your Pydantic model IS your database model. One class, full validation on input and output, native type hints, zero duplication. The query API is…
Oxyde – Pydantic-native async ORM with a Rust core launched on March 13, 2026 with 155 votes, #221 of 23,380 launches that month and more than 95% of that year's launches.
In plain words
Oxyde is an async ORM for Python that uses Pydantic models directly as database models, eliminating the need to maintain separate API and database model definitions. Built with a Rust core, it's designed for developers using FastAPI who want to avoid duplicating model definitions across layers. It provides a Django-style query API with methods like filter(), exclude(), and Q/F expressions, alongside native async support and full Pydantic validation on input and output.
written from the facts on this page · September 2026
From the sources
Oxyde ORM is a type-safe, Pydantic-centric asynchronous ORM with a high-performance Rust core designed for clarity, speed, and reliability. - mr-fatalyst/oxyde
In the maker’s words, at launch
Hi HN! I built Oxyde because I was tired of duplicating my models. If you use FastAPI, you know the drill. You define Pydantic models for your API, then define separate ORM models for your database, then write converters between them. SQLModel tries to fix this but it's still SQLAlchemy underneath. Tortoise gives you…
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