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Colah's Blog (Christopher Olah)

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colah.github.io·colah.github.io/

Christopher Olah is a co-founder of Anthropic and a pioneer in mechanistic interpretability; his blog contains early foundational essays that influenced both deep learning pedagogy and the interpretability research agenda central to AI safety.

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Importance: 72/100blog posthomepage

Summary

Christopher Olah's personal blog featuring highly influential technical essays on neural networks, deep learning, and interpretability. Known for exceptionally clear visual explanations of complex ML concepts, including foundational work on LSTMs, neural network visualization, and mechanistic interpretability.

Key Points

  • Features landmark essays on LSTMs, neural network visualization, and representation learning that shaped modern deep learning understanding
  • Olah is a leading researcher in mechanistic interpretability, and early blog posts laid groundwork for that field
  • Known for unusually clear, intuition-building explanations with strong visual aids
  • Includes foundational pieces like 'Neural Networks, Manifolds, and Topology' and 'Understanding LSTM Networks'
  • Olah later co-founded Anthropic and leads interpretability research there; this blog reflects his intellectual trajectory

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Home - colah's blog 

 
 

 
 
 
 

 
 

 
 

 
 
 

 

 
 

 

 
 

 

 

 

 

 
 
 

 
 

 

 Recent Exciting Things!

 
 
 
 Transformer Circuits

 
 

 
 
 
 Multimodal Neurons

 On Distill 

 
 

 
 
 
 Circuits

 On Distill 

 
 

 

 Neural Networks (General)

 

 
 
 
 Neural Networks, Manifolds, and Topology

 
 

 
 
 
 Deep Learning, NLP, and Representations

 
 

 
 
 
 Calculus on Computational Graphs: Backpropagation

 
 

 
 
 
 Neural Networks, Types, and Functional Programming

 
 

 

 Recurrent Neural Networks

 

 
 
 
 Understanding LSTM Networks

 
 

 
 
 
 Attention and Augmented Recurrent Neural Networks
 

 On Distill 

 
 

 

 Convolutional Neural Networks

 

 
 
 
 Conv Nets

 A Modular Perspective

 
 

 
 
 
 Understanding Convolutions

 
 

 
 
 
 Groups & Group Convolutions

 
 

 
 
 
 Deconvolution and Checkerboard Artifacts

 On Distill 

 
 

 

 Visualizing Neural Networks

 

 
 
 
 Visualizing MNIST

 An Exploration of Dimensionality Reduction

 
 

 
 
 
 Visualizing Representations

 Deep Learning and Human Beings

 
 

 
 
 
 Inceptionism

 Going Deeper into Neural Networks

 On the Google Research Blog 

 
 

 
 
 
 Four Experiments in Handwriting with a Neural Network
 

 On Distill 

 
 

 
 
 
 Feature Visualization

 How neural networks build up their understanding of images

 On Distill 

 
 

 
 
 
 The Building Blocks of Interpretability

 On Distill 

 
 

 
 
 
 Differentiable Image Parameterizations

 On Distill 

 
 

 
 
 
 Activation Atlases

 On Distill 

 
 

 
 
 
 Circuits

 On Distill 

 
 

 
 
 
 Understanding RL Vision

 On Distill 

 
 

 
 
 
 Multimodal Neurons

 On Distill 

 
 

 
 
 
 Transformer Circuits

 
 

 

 Individual Circuits Articles

 

 
 
 
 Zoom In: An Introduction to Circuits

 On Distill 

 
 

 
 
 
 An Overview of Early Vision in InceptionV1

 On Distill 

 
 

 
 
 
 Curve Detectors

 On Distill 

 
 

 
 
 
 Naturally Occurring Equivariance in Neural Networks
 

 On Distill 

 
 

 
 
 
 High-Low Frequency Detectors

 On Distill 

 
 

 
 
 
 Curve Circuits

 On Distill 

 
 

 
 
 
 Visualizing Weights

 On Distill 

 
 

 

 Miscellaneous

 

 
 
 
 The Real 3D Mandelbrot Set

 On my old blog 

 
 
-->

 
 
 
 Fanfiction, Graphs, and PageRank

 
 

 
 
 
 Data.List Recursion Illustrated

 
 

 
 
 
 Visual Information Theory

 
 

 
 
 
 Research Debt

 On Distill 

 
 

 
 
 
 The Paths Perspective on Value Learning

 On Distill 

 
 

 
 Non-Technical Commentary

 
 
 
 Research Debt

 On Distill 

 
 

 
 
 Collaboration &
 Credit Principles

 
 

 
 
 Do I Need to Go
 to University?

 
 

 -->

 Traditional Papers

 

 
 
 
 Document embedding with paragraph vectors

 On ArXiv [PDF] 

 
 

 
 
 
 TensorFlow: Large-scale machine learning on heterogeneous systems

 On TensorFlow.org [PDF] 

 
 

 
 
 
 Concrete Problems in
 AI Safety

 On ArXiv [PDF] 

 
 

 
 
 
 Conditional Image Synthesis with Auxiliary Classifier GANs

 On ArXiv [PDF] 

 
 

 
 
 

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