Jev in action
task classifier and auto model router in Keen Code
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Hi HN!In Keen Code, a coding agent solo-developed by me, I have implemented a task-classifier using Jev and a simple auto-router based on the classification result. The article shares details about how it's implemented.In short, it has a very simple idea:- For every user message, ask Jev to classify the task in one of the three categories (simple, standard, complex) given current state of the conversation.- Keen also asks Jev to put a probability on this question: "is this a new task?"- Based on the result, Keen uses a heuristic to switch the current model to one of the three pre-configured models by user for the three categories- To make the router work, users have to configure one model per task category inside the coding agent itselfThe heuristic is also very simple:When routing is enabled, Keen switches only if the selected-category probability is greater than 0.5 and either:- new-task probability is at least 0.6; or - category probability is greater than 0.8 and the target category is a higher tier than the active routed model.Thoughts and feedback are welcome. And if you are interested to know more about Keen Code, the repo can be found here: https://github.com/mochow13/keen-code
HN · launched Oct 19, 2026 · 6 upvotes (top 73%) · 0 views
Niche: llm routing and gateway tools · 143 launches, 5 in the last 7 days ▼ -62% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- AI-native
- Commercial product
Visit website ↗ Source listing ↗
More like this: all 143 launches in llm routing and gateway tools →
Could you build this?
Yes A task classifier that routes each message to a model based on its category is a simple LLM call with a rules or decision layer, and the article describes the approach.
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Competitors
Other products that read as similar to this one : 201 launches clear the similarity bar, closest 8 shown.
Attention rank: #181 of 202 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 312 days after the earliest competitor.
- Jev Router · ph · 2026-11-09 · 1 upvotes · similarity 0.50
- hermes-jev-skills · github · 2026-09-18 · 468 upvotes · similarity 0.49
- Jev AI Tools · ph · 2026-09-25 · 1 upvotes · similarity 0.48
- Keen Code · hn · 2026-08-10 · 6 upvotes · similarity 0.48
- Jev AI — Jev Model Online · ph · 2026-09-22 · 1 upvotes · similarity 0.47
- Harness Router · ph · 2026-09-28 · 79 upvotes · similarity 0.47
- jev-router · github · 2026-09-16 · 245 upvotes · similarity 0.47
- jev-code · github · 2026-09-19 · 13 upvotes · similarity 0.46
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