Nicheloom visits: 58,094 all-time · 7,637 in the last 7 days

The opportunity tracker for new startups.

Today: 1,953 launches · Niche of the day: specialized calculation tools · See what launched today →

jev-calibrate

Calibrate Jev questions against your own labels: tune criteria on labelled examples, confirm on a held-out set, get a verdict per question. Unofficial.

Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.

Want to reach these readers? Sponsor an issue.

GITHUB · launched Sep 21, 2026 · 32 upvotes (top 26%) · 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
  • calibration
  • classification
  • cli
  • evals
  • holdout
  • jev
  • +4 more

Visit website ↗ Source listing ↗

Could you build this?

Yes This is a prompt tuning and evaluation harness that runs labeled datasets against an LLM/question engine, calculates performance metrics, and verifies outputs on a test split.

Competitors

Other products that read as similar to this one : 158 launches clear the similarity bar, closest 8 shown.

Attention rank: #53 of 159 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 15 days after the earliest competitor.

  • Jev Config Generator · ph · 2026-09-29 · 1 upvotes · similarity 0.51
  • jevk5 · github · 2026-09-22 · 111 upvotes · similarity 0.45
  • SelfJev · ph · 2026-09-30 · 75 upvotes · similarity 0.44
  • open-jev · github · 2026-09-20 · 33 upvotes · similarity 0.44
  • jevmeter · github · 2026-09-17 · 78 upvotes · similarity 0.44
  • open-medical-jev · github · 2026-09-25 · 38 upvotes · similarity 0.43
  • Jev API · ph · 2026-09-22 · 4 upvotes · similarity 0.43
  • TraceDocs · ph · 2026-09-30 · 1 upvotes · similarity 0.42

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.