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jev-align (Sutro)
CLI that builds calibrated 'AI Functions' on Jev: finds uncertain examples, asks you to label them, and uses GEPA prompt optimization to improve the function; portable functions shared via ai-functions.dev.
github.com/sutro-sh/jev-alignMaintenance
PyPI jev-align 0.1.6 and GitHub release v0.1.6 on 2026-10-03; no pushes since. Labelled 'experimental'. (checked 2026-10-25)
In The Jev ecosystem
Where it stands apart
- Can it run entirely on your own device or infrastructure, without the maker's servers? no, it needs the maker's servers (19% of 21 others)
- Do you need an account to use it? optional account (5% of 21 others)
- Which models answer its questions? Pick the first that applies. only TypeSafe's Jev (direct or through a reseller) (10% of 21 others)
- Does it check whether its probabilities can be trusted? Pick the first that applies. it calibrates or sets thresholds against your own labelled examples (19% of 21 others)
- Where do the decisions run by default? a hosted API (24% of 21 others)
- Can you use it without a TypeSafe account? yes, through a gateway or another provider (24% of 21 others)
- Are its answers typed values rather than generated text? (identity question) typed answers, but generated text is part of the pipeline (14% of 21 others)
What it shares with most of the community
- How is the main thing licensed? permissive open source (MIT/Apache/BSD) (86% of 21 others)
- Who is it for? developers (95% of 21 others)
- Which shared standard or format does it mainly build on? TypeSafe's System One API (state + typed questions, /v1/systemone) (81% of 21 others)
- Which question types does it handle? Jev's three: noul, choice, score (67% of 21 others)
- Does it train on Jev's outputs? (TypeSafe's customer agreement forbids using output to distill or build competing models.) it doesn't train models (68% of 19 others)
Nearest neighbors
- System One Adapter (official) 75% of 16 shared answers match
- decide 69% of 16 shared answers match
- onesie 69% of 16 shared answers match
Every answer
| Question | Answer | Source |
|---|---|---|
| Is it actively maintained? | maintenance or slowing | source 2026-10-25 |
| How is the main thing licensed? | permissive open source (MIT/Apache/BSD) Apache-2.0 | source 2026-10-25 |
| How is it mainly sustained? | company with a paid product, tier, or ads Experimental CLI from Sutro, which sells batch inference. | source 2026-10-25 |
| Can it run entirely on your own device or infrastructure, without the maker's servers? | stands apart no, it needs the maker's servers | source 2026-10-25 |
| Do you need an account to use it? | stands apart optional account Pulling functions needs no login; GitHub login only to push to ai-functions.dev. Model calls use provider keys. | source 2026-10-26 |
| Who is it for? | developers | source 2026-10-25 |
| Which shared standard or format does it mainly build on? | TypeSafe's System One API (state + typed questions, /v1/systemone) Calls Jev via TypeSafe or resellers. | source 2026-10-26 |
| Which models answer its questions? Pick the first that applies. | stands apart only TypeSafe's Jev (direct or through a reseller) Jev via TypeSafe, Vercel or Cloudflare Workers AI. | source 2026-10-25 |
| What is the main thing it ships? | a library, CLI, or SDK for calling models | source 2026-10-25 |
| Which question types does it handle? | Jev's three: noul, choice, score | source 2026-10-25 |
| Does it check whether its probabilities can be trusted? Pick the first that applies. | stands apart it calibrates or sets thresholds against your own labelled examples | source 2026-10-25 |
| Where do the decisions run by default? | stands apart a hosted API | source 2026-10-25 |
| Does it train on Jev's outputs? (TypeSafe's customer agreement forbids using output to distill or build competing models.) | it doesn't train models Optimizes prompts (GEPA) against your labels, not model weights. | source 2026-10-25 |
| Can you use it without a TypeSafe account? | stands apart yes, through a gateway or another provider Vercel and Cloudflare routes need no TYPESAFE_API_KEY. | source 2026-10-25 |
| Are its answers typed values rather than generated text? (identity question) | stands apart typed answers, but generated text is part of the pipeline A separate LLM writes improved instructions for GEPA. | source 2026-10-25 |
| Does it publish head-to-head numbers against Jev? | no published benchmark numbers | source 2026-10-25 |
Sources
This page was derived from:
- GitHub · github.com/sutro-sh/jev-align · read 2026-10-25
- Package registry · pypi.org/project/jev-align/ · read 2026-10-25
RSS for this project · Its own release feed
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