HeyTensor vs onUI: 2026 Comparison

HeyTensor and onUI are both AI tools in the Code & Development space. This side-by-side covers pricing, open-source status, and best-fit scenarios.

HeyTensor

Free browser-based PyTorch tensor shape calculator with 22 tools. Computes shapes through Conv, Linear, LSTM, and…

Pricing
Free
Open Source
No
Category
Code & Development
Website
heytensor.com

onUI

Open-source browser extension and MCP server for annotation-first UI pair programming with AI agents. Works with…

Pricing
Open Source
Open Source
Yes
Category
Code & Development
Website
github.com

Choose HeyTensor if…

  • You need a free or open-source option in this category.
  • The code & development workflow matches your stack better than onUI's.

Choose onUI if…

  • You need a free or open-source option in this category.
  • You want self-hosting / source code access.
  • The code & development workflow matches your stack better than HeyTensor's.

FAQ

Which is cheaper, HeyTensor or onUI?

HeyTensor: Free. onUI: Open Source.

Is HeyTensor or onUI open source?

HeyTensor is not open source. onUI is open source.

What category do these tools fall into?

Both are in Code & Development.