LLM Attention Visualization
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HN · launched Sep 8, 2026 · 173 upvotes (top 4%) · 0 views
Niche: machine learning developer tools · 303 launches, 16 in the last 7 days ▼ -6% · Explore this niche →
Category and tags
- Horizontal
- Observability & eval
- Developer
- AI-native
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 303 launches in machine learning developer tools →
Could you build this?
Yes Extracting transformer attention weights and rendering them as interactive web token highlights using WebGPU/Transformers.js or a small Python backend is standard educational web development.
Discussion
20 comments analyzed.
Competitors mentioned: transformer-circuits.pub attention visualizations, Google Images transformer attention formula depictions
Concerns raised: Animation plays too fast to examine attention states step by step, Pause button resets animation instead of pausing on Chromium/Linux, Attention visualization quality not always good for explanation, Early layer attention contributions may drown out later layers in summed view, Image attention visualizations have limitations
Feature requests: Pause/resume functionality that actually pauses rather than resets, Slow playback speed option (e.g., 0.25x), Single-step buttons to advance frame-by-frame, Controls to limit which layers get summed to reveal more patterns, Per-layer attention visualization toggle
Competitors
Other products that read as similar to this one : 1563 launches clear the similarity bar, closest 8 shown.
Attention rank: #70 of 1564 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 314 days after the earliest competitor.
- LLM Thought Visualization · hn · 2026-07-06 · 24 upvotes · similarity 0.79
- LLMExperiments · github · 2026-09-24 · 7 upvotes · similarity 0.63
- A tool to properly observe your LLM's context window · hn · 2025-10-30 · 8 upvotes · similarity 0.62
- stack-attention · github · 2026-09-17 · 10 upvotes · similarity 0.61
- Interactive notes on RLHF, attention, LoRA and LLM evals · hn · 2026-11-03 · 41 upvotes · similarity 0.59
- TokenPath · hn · 2026-07-21 · 5 upvotes · similarity 0.57
- LeapQuant · github · 2026-11-11 · 50 upvotes · similarity 0.56
- KronLSTM · github · 2026-10-19 · 49 upvotes · similarity 0.55
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