jevals
replacing LLM judges with typed Jev decisions
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HN · launched Sep 20, 2026 · 47 upvotes (top 15%) · 1 view
Niche: llm evaluation and deployment tools · 77 launches, 1 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 It is an evaluation framework/library that wraps model calls with strict structured outputs (Pydantic/JSON schema) to score or evaluate AI outputs deterministically.
Discussion
No comments on this launch.
Competitors
Other products that read as similar to this one : 2740 launches clear the similarity bar, closest 8 shown.
Attention rank: #408 of 2741 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 325 days after the earliest competitor.
- rizzo-flow · github · 2026-09-21 · 455 upvotes · similarity 0.80
- litjev · github · 2026-09-17 · 36 upvotes · similarity 0.78
- AnyJev · github · 2026-09-21 · 648 upvotes · similarity 0.76
- jev-as-a-judge · github · 2026-09-17 · 57 upvotes · similarity 0.74
- awesome-jev-typesafe · github · 2026-09-18 · 129 upvotes · similarity 0.69
- jevify · github · 2026-09-19 · 35 upvotes · similarity 0.69
- jevbench · github · 2026-09-19 · 101 upvotes · similarity 0.68
- jev-rs · github · 2026-09-21 · 11 upvotes · similarity 0.68
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.