# ComfyUI + NumPy 2.1.0 incompatibility via torch — Software interface version compatibility

For ComfyUI + NumPy 2.1.0 incompatibility via torch, product is ComfyUI; software version is ComfyUI; dependency version is NumPy 2.1.0, recorded from its source on 2026-08-04.

- **Product:** ComfyUI _(unconfirmed — we could not tie this to the quote below)_
- **Version pairing:** ComfyUI + NumPy 2.1.0 incompatibility via torch _(unconfirmed — we could not tie this to the quote below)_
- **Software version:** ComfyUI _(unconfirmed — we could not tie this to the quote below)_
- **Dependency version:** NumPy 2.1.0

## What the source says

> compiled using NumPy 1.x cannot be run in NumPy 2.1.0 as it may crash

## Source

- https://github.com/Comfy-Org/comfy-cli/issues/163

Last verified: 2026-08-04. Review by: 2026-10-03.
Part of [Software interface version compatibility](https://referencesource.org/software-interface-version-compatibility/).