TR

Transformer Lab

Workspace for training and evaluating local LLMs

Self-Hosted AI ★ 5.2k stars Medium setup AGPL-3.0

Transformer Lab is an open-source application for experimenting with large language models on your own hardware. It supports downloading, fine-tuning, evaluating, and chatting with models through a unified desktop interface.

Key features

  • Local fine-tuning
  • Model evaluation suite
  • One-click model downloads
  • Plugin architecture

Strengths

  • Released under the AGPL-3.0 license
  • Mature project with 5.2k GitHub stars
  • Written in Python

Is Transformer Lab secure?

OSV.dev has no published security advisories for Transformer Lab's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

Transformer Lab replaces

Health badge

Maintain Transformer Lab? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 89 · excellent

Markdown
[![SelfHostIndex health score for Transformer Lab](https://selfhostindex.com/badge/transformerlab.svg)](https://selfhostindex.com/app/transformerlab/)
HTML
<a href="https://selfhostindex.com/app/transformerlab/"><img src="https://selfhostindex.com/badge/transformerlab.svg" alt="SelfHostIndex health score for Transformer Lab"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/transformerlab.svg
   :alt: SelfHostIndex health score for Transformer Lab
   :target: https://selfhostindex.com/app/transformerlab/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

Similar self-hosted ai apps