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MASHBOX Steer

See which neurons fire as a model reads your text, then turn them up or down and watch its replies change.

Also in MASHBOX for Mac

MASHBOX Steer: Qwen3.8-27B describes the sea in the Ancient dragon voice
Ancient dragon voice
MASHBOX Steer: the feelings in play at each word of a chat, cold to hot
Feelings in play at each word

Resources

Research we read while building MASHBOX Steer.

  1. neuron-explorer, Lyra
  2. Neural Networks Are Already Clean, Cammarata, Goodfire, 2026
  3. Goodfire Ember SDK
  4. Steering Language Models With Activation Engineering, Turner et al., 2023
  5. Steering Llama 2 via Contrastive Activation Addition, Panickssery et al., 2023
  6. Representation Engineering: A Top-Down Approach to AI Transparency, Zou et al., 2023
  7. Inference-Time Intervention, Li et al., 2023
  8. Improving Activation Steering in Language Models with Mean-Centring, Jorgensen et al., 2023
  9. Refusal in Language Models Is Mediated by a Single Direction, Arditi et al., 2024
  10. Scaling Monosemanticity, Templeton et al., 2024
  11. Evaluating feature steering: a case study in mitigating social biases, Anthropic, 2024
  12. ReFT: Representation Finetuning for Language Models, Wu et al., 2024
  13. Analysing the Generalisation and Reliability of Steering Vectors, Tan et al., 2024
  14. Programming Refusal with Conditional Activation Steering, Lee et al., 2024
  15. Improving Instruction-Following in Language Models through Activation Steering, Stolfo et al., 2024
  16. AxBench: Steering LLMs? Even Simple Baselines Outperform Sparse Autoencoders, Wu et al., 2025
  17. Improved Representation Steering for Language Models, Wu et al., 2025
  18. Persona Vectors, Chen et al., 2025
  19. SteerMoE: Steering MoE LLMs via Expert (De)Activation, 2025
  20. Activation Steering with a Feedback Controller, 2025
  21. Non-identifiability of steering vectors, 2026
  22. Activation Steering for Aligned Open-ended Generation without Sacrificing Coherence, 2026
  23. Steering-induced emergent misalignment, 2026
  24. From Golden Gate Bridge to Broken JSON, Maziyar Panahi, Hugging Face, 2026
  25. Neuronpedia
  26. repeng, Theia Vogel
  27. llama.cpp control vectors, ggml-org
  28. EmoSteer-TTS, 2025
  29. Accent steering in zero-shot TTS, 2026
  30. Verbalizable Representations Form a Global Workspace in Language Models, Gurnee et al., 2026
  31. J++ Lens and Drift Calibrator, Neuronpedia and MIT Media Lab, 2026
  32. Natural Language Autoencoders Produce Unsupervised Explanations of LLM Activations, Fraser-Taliente et al., 2026
  33. Natural Language Autoencoders Identify Without Explaining, 2026
  34. Activation Oracles: Training and Evaluating LLMs as General-Purpose Activation Explainers, Karvonen et al., 2025
  35. HeadVis, Anthropic, 2026
  36. Emotion Concepts and their Function in a Large Language Model, Sofroniew et al., 2026
  37. Circuits Updates, June 2026 (turn-averaged SAEs), Anthropic, 2026
  38. Circuits Updates, May 2026 (features through downstream connections), Anthropic, 2026
  39. Circuit Tracing: Revealing Computational Graphs in Language Models, Ameisen et al., 2025
  40. Qwen-Scope: Turning Sparse Features into Development Tools for Large Language Models, Deng et al., 2026
  41. Gemma Scope 2: SAEs and Transcoders for Gemma 3, Google DeepMind
  42. The Assistant Axis, Lu et al., Anthropic Fellows, 2026
  43. Meandering on Manifolds: The Neural Geometry of Stories Over Time, Bigelow et al., Goodfire, 2026
  44. Steering Along Manifolds to Control Neural Networks, Wurgaft et al., Goodfire, 2026
  45. From Stories to Features: Scaling Concept Vectors for AI Alignment and Interpretability, 2026
  46. Comparing Sparsified MLPs and Transcoders: Many Transcoder Features Are Neurons in Disguise, 2026
  47. The Router Already Knows, 2026
  48. Sparse Autoencoders for Interpretable Emotion Control in Text-to-Speech, Du et al., 2026
  49. A Geometric Perspective on Composable Emotion Steering in Text-to-Speech Models, 2026
  50. Controlling Speaking Rate in Autoregressive TTS via Activation Steering, 2026
  51. EmoRES-TTS: Residual-Enhanced Vector Steering for Emotional Speech Generation, 2026
  52. Towards Interpretable Framework for Neural Audio Codecs via Sparse Autoencoders, 2026
  53. Read-Best Is Not Steer-Best: A Probing-Steering Layer Dissociation in Omni-Modal Large Language Models, 2026
  54. Steering Follows Geometry, Not Labels: Emotion Directions in a Full-Duplex Speech Model, 2026
  55. SteerSpeech: Activation Steering for Emotion Control in Generated Speech, 2026
  56. Steering intonational tunes in text-to-speech synthesis, 2026
  57. Parasitic Co-Denoising: Unlocking 3D Human Motion Generation in a Frozen Video Diffusion Model, 2026
  58. UMAP: Uniform Manifold Approximation and Projection for Dimension Reduction, McInnes, Healy and Melville, 2018
  59. Density-Based Clustering Based on Hierarchical Density Estimates (HDBSCAN), Campello, Moulavi and Sander, 2013
  60. interpreting GPT: the logit lens, nostalgebraist, 2020
  61. Towards Monosemanticity: Decomposing Language Models With Dictionary Learning, Bricken et al., 2023
  62. Negative Results for SAEs On Downstream Tasks and Deprioritising SAE Research, Smith et al., Google DeepMind, 2025