Skip to content

Jev directory

Jev Demos & Experiments

559 curated Jev entries. Playable demos, games, simulators, and experiments that put Jev in the loop, from Mario and drones to moderation firehoses and trading bots.

By format

559
  • Repos & sites506
  • Videos2
  • Articles2
  • Playgrounds49

Updated

All 559 Jev Demos & Experiments

Search the full category, or filter by format and tag.

arXiv paper describing a multi-agent trading system whose agents share only point-in-time stores and answer typed questions through Jev, testing whether LLM judgments of web news track the market's reaction to an event or follow a price move already reported.
Jev Demos & ExperimentsArticle#arxiv#agents#demo
Community
A Hugging Face Space published by the hugging-apps organization under the name J33-Jev · typed decisions. The page shows a Running on Zero hardware status and the standard App, Files, and Community tabs; the listing itself carries no usage documentation.
Jev Demos & ExperimentsPlayground#demo#playground#madewithjev
Community
A Hugging Face Space published by the jevai account under the name Typesafe Ai. The listing shows it running and exposes App and Files tabs, offering a hosted web surface rather than a downloadable package.
Jev Demos & ExperimentsPlayground#playground#demo#community
Community
A Hugging Face Space by abidlabs that finetunes a Jev-style spam decision model and tracks the run with Trackio. The Space is hosted on Hugging Face and sleeps after inactivity.
Jev Demos & ExperimentsPlayground#demo#classification#madewithjev
Community
Jev-AD pairs Jev, a typed decision model that answers predefined questions with probabilities rather than generated text, with a language world model that predicts how nearby vehicles move over the next two seconds for every candidate action. Evaluated in simulated highway merging and 500 replayed NGSIM episodes.
Jev Demos & ExperimentsArticle#arxiv#research#agents
Community
0GitHub stars
A Japanese-language experiment workspace that asks Jev, through typesafe-sdk-python's jev-latest, why a dummy restaurant's sales fell, and compares Jev against a local Ollama model on accuracy, speed, answer variance, confidence, and cost.
Jev Demos & Experiments#github#python#demo
0GitHub stars
Expo and Supabase mobile app that helps people move from business roles into GTM, forward deployed and solutions engineering. Jev picks daily lessons, grades written answers, and ranks jobs and expert posts.
Jev Demos & Experiments#madewithjev#demo#typescript
A Hugging Face Space by lalaninj that demonstrates JEV-9B producing typed decisions. It is duplicated from the autotrust/jev-9b-decision-demo Space and runs on Zero GPU hardware, with app Files and Community tabs on the page.
Jev Demos & ExperimentsPlayground#demo#playground#browser
Community
A browser playground that turns prompts into abstract art through Jev's structured decisions, updating only the relevant fields of an 80+ characteristic renderer spec as you type, while comparing Jev with a single-call LLM, sandboxed custom JavaScript, and prompt-to-image generation.
Jev Demos & ExperimentsPlayground#playground#demo#javascript
0GitHub stars
Browser demo that sends one text to TypeSafe Jev and lights up 200 yes/no judgments as a live heatmap in roughly 150-300 ms, with seven 200-question sets, a threshold slider, and zero npm dependencies.
Jev Demos & ExperimentsPlayground#demo#browser#javascript
0GitHub stars
A Python demo that screens PubMed abstracts for one systematic review question using Jev. Six narrow questions per abstract go to Jev in a single call, with rule-based tiers and confidence gates deciding include, exclude, or human review.
Jev Demos & Experiments#demo#python#madewithjev
0GitHub stars
A small Go web app that scores 200 catalog emojis against a line of group-chat text with TypeSafe Jev, then shows the fitting ones as read-only reactions. Ships as a single static binary and a scratch Docker image, and needs a TypeSafe API key.
Jev Demos & Experiments#madewithjev#demo#classification
0GitHub stars
Portuguese-language Google Colab notebook that routes delivery support tickets with Jev's Score and Choice primitives, turning report text, user history, and financial volume into a 1-10 complexity index and a deterministic lane choice.
Jev Demos & Experiments#madewithjev#python#routing
Hugging Face dataset of 80 generated rollout videos (422 MB) supporting studies on Jev-routed temporal granularity for causal video generation, produced with Causal-rCM on Tesla T4 and A100 GPUs.
Jev Demos & ExperimentsVideo#research#video#demo
Community
A Hugging Face Space by ikaraoha titled JEV-9B (typed decisions), duplicated from autotrust/jev-9b-decision-demo. It presents an interactive browser demo of a JEV-9B model producing typed decisions, and is served from Hugging Face Zero hardware.
Jev Demos & ExperimentsPlayground#demo#playground#madewithjev
Community
A Hugging Face Space by Tonic that pairs MiniCPM-OCR with a Jev checker and serves the app from a Docker repository. Visitors can open the hosted page to try the OCR-plus-check flow without setting anything up locally.
Jev Demos & ExperimentsPlayground#demo#madewithjev#playground
Community
0GitHub stars
Privacy-first Next.js app that sorts saved X bookmarks into Top picks, Needs human look, and Skip using one Jev call per bookmark. Composite scoring, confidence-gated routing, and a deterministic mock mode that runs without an API key.
Jev Demos & Experiments#demo#typescript#routing
0GitHub stars
Android game autopilot that captures live gameplay with MediaProjection, sends typed box, choice, and noul questions to a Jev endpoint, and injects root-free taps and swipes through the Accessibility framework, with a floating HUD and sequential goal presets.
Jev Demos & Experiments#madewithjev#games#demo
A research demo that runs a fine-tuned MedGemma 1.5 4B adapter on retinal fundus images in Colab, passes the generated findings through Jev as a text quality gate, and drafts ophthalmologist and patient summaries via OpenRouter.
Jev Demos & Experiments#madewithjev#research#open-models
0GitHub stars
A personal Docker app that collects stock news from 29 RSS outlets and Finnhub every 30 minutes, then uses Jev to score each article for relevance, impact, and whether it reads as bullish or bearish, showing it on a web timeline.
Jev Demos & Experiments#madewithjev#github#classification
2GitHub stars
Spanish-language prototype that uses Jev to classify event sign-ups and decide program, action, and message before sending, with a guardrail that approves, flags, or blocks outgoing text. Includes synthetic datasets, evaluation scripts, and a local engine that runs without a key.
Jev Demos & Experiments#madewithjev#demo#python
0GitHub stars
JevPilot is a real-time 2D autonomous highway runner and developer telemetry lab that steers a car with Jev or Clef System One decision models, charting latency, confidence, and steering choices in a live dashboard.
Jev Demos & Experiments#demo#games#javascript
1GitHub stars
Two self-contained HTML pages that let System One models and LLMs play Snake: a single-player board and a 1 vs 1 duel, with seeded food, per-move latency, cost tracking and downloadable JSON results.
Jev Demos & Experiments#demo#games#benchmark
A Gradio-based Hugging Face Space by gyanbhambhani titled OSS Jev: Choice / Score / Noul, presenting the three Jev decision shapes in a browser interface that sleeps when idle.
Jev Demos & ExperimentsPlayground#demo#playground#open-models
Community
0GitHub stars
Showcase where paintings dropped onto a score are read by Gemini for mood and culture, while Jev conducts a live AI band bar by bar, answering up to 11 questions in about 200 ms before Lyria RealTime plays the result.
Jev Demos & Experiments#demo#madewithjev#browser
0GitHub stars
Browser and terminal demo that ranks emoji against a free-text query by sending one Jev score question per emoji, then filtering by a tunable score floor and limit. Includes a bench harness over saved queries.
Jev Demos & Experiments#madewithjev#demo#typescript
3GitHub stars
Minecraft survival bot built on Mineflayer that asks Jev four typed questions every 600ms (threat level, action, whether to eat, flee direction) plus a tactical goal-selection loop, with simulated emotions and persistent memory feeding each request.
Jev Demos & Experiments#demo#games#madewithjev
1GitHub stars
Next.js app with four Jev demos sharing one transport layer: a form scored as you type, a pre-send guardrail, volume triage against a language model, and a difficulty router, plus a running cost screen.
Jev Demos & Experiments#demo#openrouter#guardrails
54GitHub stars
A MuJoCo city simulation where one, two or four camera-observed drones pursue a target: each role asks Jev role-specific typed questions while deterministic mission navigation, safety guards and motor control run independently at 50 Hz.
Jev Demos & Experiments#community#github#python
41GitHub stars
An open-source browser 3D character split between two models: GPT-Live-1 talks with you over WebRTC while Jev reads the live transcript and picks Annie's face, gestures and body language in about 120 ms, with code gates on every answer.
Jev Demos & Experiments#community#github#python
A Chinese-language e-commerce customer-service demo on FastAPI, LangGraph and React: adaptive retrieval routing with hybrid BM25-plus-vector search, and intent classification switchable between TypeSafe Jev's structured choice interface and DeepSeek.
Jev Demos & Experiments#community#github#python
An open-source turtle-soup (situation-puzzle) game where Jev hosts: every yes, no or irrelevant answer and the final verdict on a reconstruction come from Jev live, with confidence gating a cannot-be-sure reply. Single-player, 8-player rooms and UGC submissions.
Jev Demos & Experiments#community#github#game
20GitHub stars
A TypeScript SDK demo for Jev, TypeSafe's System One model: 14 numbered scenarios teach how to prepare state, write questions and use answers, with root examples that ask whether a customer message sounds frustrated and flag it for review.
Jev Demos & Experiments#community#github#typescript
17GitHub stars
Eleven small runnable projects for learning Jev and other System One decision models, each lesson pairing a one-command web demo with a whiteboard and README, from the three question types through jobs sorting and contract review to Jev inside a SQL query. Every demo makes live API calls.
Jev Demos & Experiments#community#github#python
12GitHub stars
A demo that has three decision models read recent news and price Polymarket and Kalshi questions, then compares their probabilities with live market odds and replays how each model changed its mind article by article.
Jev Demos & Experiments#community#github#demo
A Laravel and Livewire workshop demo that runs a Twitch-style live chat through four moderation setups in parallel: a conventional LLM agent, the Decisions API decision model, a local Laya model and OpenAI Moderation, comparing accuracy, latency and cost.
Jev Demos & Experiments#community#github#php
Three TypeScript demos built on one pattern for students: Jev answers a typed question with a probability, your code decides what to do, and Claude works only where it is needed. Demos cover Jira triage, pre-flight checks and PR routing.
Jev Demos & Experiments#community#github#demo
8GitHub stars
A browser visual IDE for composing Jev API requests: build a state plus Choice, Score, Noul and Box questions with image assets, preview and validate the request JSON, send it, and read the answers as visual cards instead of raw JSON.
Jev Demos & Experiments#community#github#typescript
7GitHub stars
Pac-Man where the characters are driven by System One decision models: TypeSafe's jev (typesafe/jev-1.13.0, the default) and others Opper serves, with the model's odds drawn on the board and a leaderboard benchmark.
Jev Demos & Experiments#community#github#typescript
7GitHub stars
A Korean-language reinforcement-learning game that trains a company decision model: it reads a situation, a question and options, then answers with a choice plus probability and confidence, and asks a human when unsure. Built for a CONNECT AI LAB class; Apache-2.0, Python and Pygame.
Jev Demos & Experiments#community#github#python
6GitHub stars
A browser playground for S1-CED, a small decision model you give a piece of text plus typed questions (yes/no, which-of, or a 0-3 score) and it answers with a probability per option and whether it is confident enough to act or a human should check. Runs on CPU; no GPU or account needed.
Jev Demos & Experiments#community#github#python
6GitHub stars
An inhabited science-fantasy take on Houston's River Oaks District with mapped streets, boutiques and residents: NPCs powered by Jev per the repository description. Play as Jevica in third person, fly her bubble, and use Camera mode to compose and share photos.
Jev Demos & Experiments#community#github#javascript
5GitHub stars
A mineflayer-based Minecraft bot whose decisions are made entirely by TypeSafe's Jev System One model: code lists the legal actions and Jev picks one in about 0.2 seconds for roughly 1.7 cents per bot-hour. Fifteen of 40 fresh worlds reached the Nether; none has beaten the game.
Jev Demos & Experiments#community#github#minecraft
9GitHub stars
A small Python app that asks whether a headline is Onion-style satire or real news. Jev runs through TypeSafe's API with your own key and is compared side by side with AnyJev L0 and raw Qwen3-8B running locally, with an option to swap the answer order.
Jev Demos & Experiments#community#github#python
A Python repository whose name and README heading promise customer support triage built with Jev. As of 2026-10-17 the repository has only a title README, but it is notable for its 6 forks against 4 stars.
Jev Demos & Experiments#community#github#python
4GitHub stars
A Python experiment that lets TypeSafe's Jev play Factorio from screenshots alone: each tick the vision model looks at the screen, decides, and presses keys or moves the mouse, aiming to craft 10 automation science packs from a fresh freeplay game.
Jev Demos & Experiments#community#github#factorio
A Super Mario Bros agent whose only brain is a remote vision model on the other side of an API: screenshots in, button out, and no memory peeking. It runs on the OpenAI Decisions API by default and supports TypeSafe's Jev (jev-preview) as an alternative.
Jev Demos & Experiments#community#github#mario
4GitHub stars
A learning lab for decision models: TypeSafe Jev and Microsoft Decision-1 route support tickets in under a second for about $0.02 per 1,000 calls, while Claude handles the hard cases. It ships an interactive site, a benchmark, calibration tests and docs.
Jev Demos & Experiments#community#github#benchmark

Index of all 559 entries

Start here with the Jev AI model

Featured entries in demos & experiments.

30kGitHub stars
The Cua computer-use platform documents a jev-use recipe where TypeSafe Jev picks bounded action IDs and Cua Driver executes clicks and fills in the browser.
Jev Demos & Experiments#community#browser#computer-use

Jev AI model articles

Original guides that go deeper on Jev demos & experiments.

Perception-to-action gates are safety-critical decisions. How robotics projects use decision models and where deterministic control still wins.
Jev Demos & Experiments#robotics#control#safety
Read article
Per-tick decisions, NPC behaviour, and matchmaking run at a different clock. What the game demos show about latency and action gating.
Jev Demos & Experiments#gaming#demos#latency
Read article
A game tick is a state plus a legal action list. How Clash Royale, Minecraft, and the earlier Mario, Pokémon, StarCraft, and drone loops ask Jev one step at a time.
Jev Demos & Experiments#gaming#agents#control
Read article

From the Jev community

Watch walkthroughs, read the threads, and see what builders are posting.

YouTube: One terminal, three subscriptions, and Jev picking the model for Claude Code, Codex, and Cursor.

YouTube: A podcast segment on TypeSafe AI, its $40M raise, and the Jevons paradox behind the name.

YouTube: Gary Explains the catch: Jev understands natural language but answers with structured values and confidence.

Hacker News: Show HN for the decide CLI: brew install, file context, and multi-question shell scripts.

vsekhar2 pointsShow HN: Decide – Jev decisions in the shell, scripts, and agent skillsRead the thread on Hacker News

Hacker News: Pipeable onesie CLI with shell-safety exit codes and a calibrate mode over labelled commands.

frodikarlsson3 pointsShow HN: onesie – An expressive Unix-pipeable CLI for System One models like JevRead the thread on Hacker News

Hacker News: Spoken-language learning with video scenes branching on TypeSafe Jev.

j_rcht1 pointShow HN: Worklaude – learn by speaking; video scenes branch on TypeSafe JEVRead the thread on Hacker News

Hacker News: OpenAI's Luna Decisions API framed as a fast follow to TypeSafe's Jev wave.

matt_d6 pointsOpenAI Answers TypeSafe's Jev with a Decision API Built on LunaRead the thread on Hacker News