---
title: Sparse Autoencoders
description: AI notes by Mrinaal Arora tagged "Sparse Autoencoders"
updated: 2026-06-12
canonical: https://aroramrinaal.com/ai/tags/sparse-autoencoders
source: https://aroramrinaal.com/ai/tags/sparse-autoencoders.md
alternate: https://aroramrinaal.com/ai/tags/sparse-autoencoders/markdown
---

# Sparse Autoencoders

AI notes, small builds, and writeups by Mrinaal Arora tagged "Sparse Autoencoders".

- Page: https://aroramrinaal.com/ai/tags/sparse-autoencoders
- Markdown: https://aroramrinaal.com/ai/tags/sparse-autoencoders/markdown
- Markdown (.md): https://aroramrinaal.com/ai/tags/sparse-autoencoders.md
- All tags: https://aroramrinaal.com/ai/tags/markdown
- Full AI index: https://aroramrinaal.com/ai/markdown
- Posts with this tag: 1 of 15
- Co-occurring tags: Mechanistic Interpretability

## Posts

| Post | Date | Tags | Word count | Source |
| --- | --- | --- | --- | --- |
| [Looking Inside Qwen3-4B With Sparse Autoencoders](https://aroramrinaal.com/ai/looking-inside-qwen3-4b-with-sparse-autoencoders) | 2026-06-12 | Mechanistic Interpretability, Sparse Autoencoders | 1,316 words | [Markdown](https://aroramrinaal.com/ai/looking-inside-qwen3-4b-with-sparse-autoencoders/markdown) |

## Looking Inside Qwen3-4B With Sparse Autoencoders

- Slug: looking-inside-qwen3-4b-with-sparse-autoencoders
- Date: 2026-06-12
- Tags: Mechanistic Interpretability, Sparse Autoencoders
- Word count: 1,316 words
- Page: https://aroramrinaal.com/ai/looking-inside-qwen3-4b-with-sparse-autoencoders
- Markdown: https://aroramrinaal.com/ai/looking-inside-qwen3-4b-with-sparse-autoencoders/markdown
- Markdown (.md): https://aroramrinaal.com/ai/looking-inside-qwen3-4b-with-sparse-autoencoders.md
- X: https://x.com/arora_mrinaal/status/2058881006795669992
- GitHub: https://github.com/aroramrinaal/qwen3-sae-features

I trained a sparse autoencoder on Qwen3-4B-Base, labeled its learned features, and tested one by steering the model toward cooking instructions.