A/B testing LLM silence with one system-prompt toggle
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HN · launched Jun 19, 2026 · 10 upvotes (top 41%) · 0 views
Niche: llm evaluation and deployment tools · 77 launches, 0 in the last 7 days · Explore this niche →
Category and tags
- Horizontal
- Observability & eval
- Developer
- AI-native
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 77 launches in llm evaluation and deployment tools →
Could you build this?
Yes This is a lightweight benchmarking script or web dashboard that executes prompts against LLM provider APIs with and without a system prompt and records the byte response length.
Discussion
No comments on this launch.
Competitors
Other products that read as similar to this one : 509 launches clear the similarity bar, closest 8 shown.
Attention rank: #174 of 510 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 232 days after the earliest competitor.
- Ctrlb-decompose: Strip the noise from logs before sending to LLMs · hn · 2026-09-09 · 14 upvotes · similarity 0.57
- ReasonGate- An explainable gate that blocks LLM prompt injection · hn · 2026-07-16 · 7 upvotes · similarity 0.55
- awdl-toggle · github · 2026-09-15 · 11 upvotes · similarity 0.50
- Tired of duct-taping access control into agent prompts. Here's the fix · hn · 2026-06-03 · 22 upvotes · similarity 0.46
- On-device Chrome extension that blocks credential leaks to LLM chats · hn · 2026-06-03 · 5 upvotes · similarity 0.46
- I built a CLI that turns your codebase into clean LLM input · hn · 2026-04-24 · 10 upvotes · similarity 0.46
- Replacing my OS process scheduler with an LLM · hn · 2025-12-30 · 77 upvotes · similarity 0.46
- Promptloop · hn · 2026-05-29 · 13 upvotes · similarity 0.45
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