open-alternative-jev

ikermoel/open-alternative-jev
Local alternative

Open-source alternative to TypeSafe's Jev: a System One style model layer that gives typed, calibrated decisions from any open-weights LLM in one forward pass (HF + vLLM), with honest benchmarks

PythonDocumented

mini-jev

r-ms/mini-jev
Local alternative

mini-Jev: what a Jev-style typed-decision interface looks like on a frozen Qwen3-4B — read the option letter's logits instead of generating JSON. Preregistered experiment, results, teaching bench.

PythonDocumented

system-one

iamaamir/system-one
Research

Provider-neutral System One runtime for TypeScript and Pi

TypeScriptDocumented

jev-curate

AkashPriyadarshii/jev-curate
Research

High-throughput synthetic and pretraining dataset sifter for TypeSafe Jev. Rust streaming core, Parquet and JSONL I/O, typed Choice/Score/Noul judgments, speculative fan-out, 24.0 rows/sec measured.

RustDocumented

open-jev-typed-decision-engine

intikhab49/open-jev-typed-decision-engine
Local alternative

Open reproduction of TypeSafe Jev: a 150M typed decision engine (noul/choice/score in one non-autoregressive pass, calibrated confidence). 0.697 vs Jev's 0.727, 2.5x better calibrated, 4x faster, free. Trains on a Colab T4 in 30 min.

PythonDocumented

litjev

zhengxuyu/litjev
Local alternative

Turn any off-the-shelf LLM into a Jev -like decision layer

PythonDocumented

TypeLLM

TypeLLM/TypeLLM
Research

TypeLLM: LLMs with type-safe generation

PythonDocumented

open-jev

JoshuaSP/open-jev
Local alternative

Typed JSON inference with DiffusionGemma, with Every and Jev benchmark results

PythonDocumented

typesafe-ai-benchmark

iammrduncan/typesafe-ai-benchmark
Research

This is a LLM Gateway that mimics typesafe ai structured output. Like an imposter Jev.

TypeScriptDocumented

jev-forge

zwliJay/jev-forge
Local alternative

An open training and inference stack for Jev-style decision models. Train models to score dynamic candidate branches from a shared prefix, with support for high-cardinality choice, calibration, and fast batched inference.

PythonDocumented

jev_local

Argos1111/jev_local
Local alternative

Replicating Jev with a local LLM

PythonDocumented

system-one-open

mithalouni/system-one-open
Local alternative

Open replica of TypeSafe's Jev: typed calibrated decisions in one forward pass, on Gemma 4 E2B / Gemma 3 270M (Modal)

PythonDocumented

sys1

alvarobartt/sys1
Research

System One compatible API for open decision models, written in Rust.

RustDocumented

Jev_apps

JackZeng/Jev_apps
Research

看看 Jev 能做什么:用中英文讲清热门应用、工作原理和各自优缺点。Explore Jev apps with plain-language examples, explanations, and comparisons.

PythonDocumented

system-one

sgoedecke/system-one
Research

Batched single-token choice inference for open language models, compatible with TypeSafe

PythonDocumented

openjev

zhihz/openjev
Local alternative

Local bilingual probability decisions from context, questions, and candidate answers. Independent research preview inspired by TypeSafe Jev.

PythonDocumented

laya-vs-jev-arena

PromptEngineer48/laya-vs-jev-arena
Research

Laya (open source, local) vs TypeSafe Jev (API): two AI models race in Snake and fight in a Mortal-Kombat-style arena. Every move is a real model decision.

JavaScriptDocumented

jevify

altryne/jevify
Research

An agent skill to discover TypeSafe Jev opportunities, design typed questions, and learn from recent community experiments.

PythonDocumented

OpenJev

zhangcy122/OpenJev
Local alternative

OpenJev: Open-source alternative to TypeSafe Jev. Typed probabilistic decision API (Choice, Noul, Score) powered by open LLMs & constrained logprob calibration.

HTMLDocumented

jev-capability-atlas

Zaious/jev-capability-atlas
Research

Independent, evidence-based map of when TypeSafe's Jev actually holds up vs. breaks down — real API-call receipts, not a leaderboard. 中文為主的雙語 repo。

PythonDocumented

jevgpt

Bewinxed/jevgpt
Research

A chatbot built on a model that cannot generate text (TypeSafe AI's Jev, driven autoregressively)

TypeScriptDocumented

SmartMoney-Cub

myc0576/SmartMoney-Cub
Research

Read-only trading journal and review harness: Jev typed judgments, agent integration, and a reproducible finance benchmark. No orders, no advice.

PythonDocumented

jev-cli

shaharia-lab/jev-cli
Research

Command-line tool for TypeSafe AI's Jev model. Ask yes/no, multiple-choice and rubric questions about any text and get calibrated probabilities back. Answers become exit codes for shells and CI, JSON for scripts, and MCP tools for AI agents.

RustDocumented

jev-column-race

goodrahstar/jev-column-race
Research

Jev vs Gemini 3.8 Flash: labelling 1,000 app reviews, 4.1× faster and 7× cheaper

JavaScriptDocumented