Project ideas from Hacker News discussions.

OpenAI is well positioned to fast-follow Jev

📝 Discussion Summary (Click to expand)

Theme 1 – Jev’s core advantages
Jev is praised for being cheap, fast, returning native structured output, and providing calibrated probabilities.

“Jev seems to have three benefits: 1) It's very cheap and fast … 2) It generates structured output natively - guaranteed to be correct 3) It's output probabilities are calibrated to actually mean something” – HarHarVeryFunny

Theme 2 – Frontier labs will likely replicate or absorb Jev
Commenters expect OpenAI, Anthropic, or other large labs to add similar classification capability to their APIs or models.

“OpenAI, or anyone else, could certainly replicate it … They could even offer it as a standalone API if deemed worth it.” – HarHarVeryFunny
“I would assume that they would fold this type of classification into their responses API next to existing ancillary tooling that they already ship.” – monatron

Theme 3 – Skepticism / hype – limitations and overstated claims
Several users argue Jev’s benefits are modest, its probabilities can be gamed, and the excitement is overblown.

“It's not guaranteed to be correct: it's guaranteed to be formatted in a particular way.” – alex_sf
“Jev can output drastically different probabilities if you simply reorder the list of choices. And Jev's 'confidence' output is fake/redundant.” – hbrn
“I don't see much substance to this buzz … looks like people that are new to all this are discovering that classifiers exist.” – orbital-decay

Theme 4 – Practical utility – Jev as a useful, cheap classifier for prototyping, routing, and business workflows
Many see Jev as a handy tool for specific tasks, often complementing rather than replacing LLMs.

“In my company, and I think in most companies that are using AI at all, one of the first ways it got integrated is as a classifier, to tag orders based on feeding all their data into a prompt and asking for a structured output.” – jackb4040
“Having a system that combines a generative model and a classifier … would make it a lot more efficient and accurate because it has a bigger toolbox.” – yogthos
“Though for tasks where you are trying to search through billions of documents … then that’s where you’d want something cheaper and faster.” – brokencode


🚀 Project Ideas

Jev API Gateway with ZDR

Summary

  • Hosted Jev inference endpoint offering zero‑data‑retention and structured JSON output.
  • Core value proposition: ultra‑low latency, token‑saving classification as a simple REST service.

Details

Key Value
Target Audience Developers building AI‑powered apps that need fast, cheap classification
Core Feature Jev model served via HTTP with optional ZDR, calibrated probabilities, per‑call billing
Tech Stack Python (FastAPI), Triton Inference Server, ONNX, Kubernetes, JWT auth
Difficulty Medium
Monetization Revenue-ready: usage‑based pricing ($0.0001 per classification)

Notes

  • HN commenters wanted a cheap, fast classifier they could call directly to avoid token waste (“If it really matters … you’d be better off training a custom model… but Jev saves tokens”).
  • Provides a clear path to integrate Jev without managing infrastructure, addressing the desire for a simple guide and privacy‑safe usage.

Jev Tool Router for LLMs

Summary

  • Middleware that intercepts LLM tool calls and uses Jev to select the appropriate tool or classification.
  • Core value proposition: reduces token consumption and latency by offloading routing decisions to a fast, calibrated classifier.

Details

Key Value
Target Audience AI agent builders, LLM‑powered applications using LangChain, LlamaIndex, or custom tool chains
Core Feature Plug‑in router that replaces LLM‑generated tool selection with a Jev call, returning structured tool choice and confidence
Tech Stack TypeScript/Node.js, Express middleware, compatible with LangChain/LlamaIndex plugins, calls Jev API
Difficulty Medium
Monetization Hobby (open‑source core) with optional hosted SaaS tier for enterprise SLAs

Notes

  • Commenters noted Jev’s strength as a router (“use Jev as a router within MoE to pick the expert”) and wanted ways to cut token usage in agent workflows.
  • Gives developers a drop‑in way to harness Jev’s speed while keeping LLMs for generation, directly addressing the token‑saving pain point.

JevBench – Open Classification Benchmark Suite

Summary

  • Curated dataset collection and evaluation scripts for comparing Jev, LLMs with grammar constraints, and traditional ML classifiers.
  • Core value proposition: standardized, reproducible benchmark to validate Jev’s speed, cost, and accuracy claims across real‑world tasks.

Details

Key Value
Target Audience ML researchers, AI product teams, open‑source contributors evaluating classification approaches
Core Feature Suite of datasets (sentiment, intent, email spam, topic routing) + automated metrics (latency, cost per call, calibrated Brier score)
Tech Stack Python, HuggingFace Datasets, scikit‑learn, pytest, GitHub Actions for CI/CD
Difficulty Low
Monetization Hobby

Notes

  • Users repeatedly asked for independent benchmarks (“there are no independent benchmarks that prove anything”) and wanted to see how Jev stacks up against LLMs and classic models.
  • JevBench would give the community a concrete way to assess claims and guide adoption, satisfying the call for transparency and practical utility.

Jev Prompt Studio – Visual Prompt Engineering Tool

Summary

  • GUI for crafting, testing, and versioning Jev classification prompts with live feedback on outputs and confidence scores.
  • Core value proposition: accelerates prompt iteration, reduces guesswork, and exports ready‑to‑use snippets for multiple languages.

Details

Key Value
Target Audience Prompt engineers, product managers, developers integrating Jev into workflows
Core Feature Interactive editor with sample input library, real‑time Jev response viewer, confidence threshold sliders, export to JSON/YAML/Code
Tech Stack React (frontend), Electron or web wrapper, Node.js backend calling Jev API, optional local model caching
- Difficulty Low
Monetization Hobby (free community edition) with optional paid team collaboration tier

Notes

  • Commenters expressed a need for a simple guide on how to use Jev (“Can someone point me to a simple guide on how I can use it?”) and wanted to experiment with prompts quickly.
  • A visual studio lowers the barrier to adoption, letting users instantly see Jev’s behavior and share vetted prompts, directly addressing the request for accessible, hands‑on tooling.

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