Jev directory
Jev Guides & Articles
270 curated Jev entries. Documentation, write-ups, and community hubs for learning Jev, from the canonical docs to independent tutorials and reviews.
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270- Docs35
- Repos & sites43
- Posts60
- Articles132
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All 270 Jev Guides & Articles
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Showing 97–144 of 270 resources
TypeSafe's 20 September 2026 post that Jev is available to everyone with no waitlist, linking the console.
Jev Guides & ArticlesPost#official#x#launch
Official
TypeSafe's 24 September 2026 update that new Jev signups were still closed while they added capacity.
Jev Guides & ArticlesPost#official#x#launch
Official
TypeSafe's 27 September 2026 announcement that Jev capacity increased and new signups were open again.
Jev Guides & ArticlesPost#official#x#launch
Official
The reply on TypeSafe's reopen thread: new Jev signups no longer receive free credits, and the console link is repeated.
Jev Guides & ArticlesPost#official#x#pricing
Official
The TypeSafe team page: Diogo Almeida as CEO, Sasha Sheng as COO, and Erik Gafni as CTO, plus the line Build Prod, Not God and a link to open roles.
Jev Guides & ArticlesDocs#official#company
Official
TypeSafe's 11 September 2026 essay against benchmaxxing: a public eval can select the model even when nobody trains on that test.
Jev Guides & ArticlesArticle#official#benchmarks#evaluation
Official
TypeSafe's website terms, last updated 19 September 2026. They cover typesafe.ai. A separate agreement covers the products and services.
Jev Guides & ArticlesDocs#official#legal
Official
TypeSafe AI, Inc.'s master customer agreement, last updated 23 September 2026. It is the contract for services named in an order.
Jev Guides & ArticlesDocs#official#legal
Official
TypeSafe's privacy policy, last updated 19 November 2025. It covers the website, the playground, and APIs that link to the policy.
Jev Guides & ArticlesDocs#official#legal#privacy
Official
Rules for using TypeSafe services, last updated 23 September 2026. They ban illegal content, rights violations, and phishing or spoofing.
Jev Guides & ArticlesDocs#official#legal
Official
TypeSafe's data processing addendum, last updated 24 April 2026. For customer personal data, the customer is the controller and TypeSafe is the processor.
Jev Guides & ArticlesDocs#official#legal#privacy
Official
A curated list of System One and typed decision models: hosted APIs, open weights, runtimes, SDKs, apps, benchmarks, and papers, in English and Chinese.
Jev Guides & Articles#community#awesome-list#open-models
Nikola Balić on why the Jev launch was easy to try and share: a side-by-side demo, a first useful decision, and distribution through people who built their own demos.
Jev Guides & ArticlesArticle#community#article#launch
Community
swyx's Latent Space interview with Diogo Almeida, posted on Hacker News as the first long technical conversation with TypeSafe's CEO.
Jev Guides & ArticlesArticle#community#article#explainer
Community
The Show HN for CUA-S1, where Cua's founders ask how many computer-use steps actually need a general-purpose model.
Jev Guides & ArticlesPost#community#computer-use#agents
Community
The Hacker News post for Von, the local non-autoregressive model offered as a drop-in alternative to hosted Jev.
Jev Guides & ArticlesPost#community#open-models
Community
A short Ask HN on Noul: a yes-or-not probability, sitting next to Choice and Score, and not a boolean.
Jev Guides & ArticlesPost#community#primitives
Community
The r/LocalLLaMA thread arguing that Jev's constrained probabilities are ordinary zero-shot classification, and that the comparison should be other classifiers.
Jev Guides & ArticlesPost#community#open-models#evaluation
Community
An r/LocalLLaMA post asking moderators to deal with a flood of Jev advertising, and accusing the launch of being paid promotion.
Jev Guides & ArticlesPost#community#launch
Community
InfoQ's 1 October 2026 news brief on Jev: a parallel pass over typed questions, TypeSafe's published price and latency, and where to read the jaggedness notes.
Jev Guides & ArticlesArticle#community#article#explainer
Community
Philipp Acsany's tutorial replaces a Y-or-N input check with Jev, then asks Noul, Score, and Choice in one call through OpenRouter.
Jev Guides & ArticlesArticle#community#article#tutorial
Community
Tom Farnschläder's 24 September 2026 tutorial builds a support-ticket router with the Python SDK, using Choice, Score, and Noul in one call.
Jev Guides & ArticlesArticle#community#article#tutorial
Community
Kenny Rogers explains Jev as a decision model and shows Choice, Score, and Noul responses from calls he placed through OpenRouter on 21 September 2026.
Jev Guides & ArticlesArticle#community#article#explainer
Community
Yury Selivanov's 2 October 2026 post on the Python AI SDK: experimental evaluate() calls typesafe-ai/jev through an AI Gateway key.
Jev Guides & ArticlesArticle#community#article#tutorial
Community
Community index of Jev use cases, open-source projects, benchmarks and criticism, built from a JSON dataset spanning GitHub, Reddit, YouTube and blogs, with a section for failures.
Jev Guides & Articles#community#github
No-code desktop terminal that puts Jev Buy, Sell, and Hold calls behind a confidence slider, with exchange connections, strategy canvas, and backtesting lab.
Jev Guides & Articles#community#github
Community
Jev-trading/Jev-tradingPython
Jev-trading/Jev-tradingPythonCurated index of open-source projects that provably call Jev, where every entry links to the exact source line proving the call, generated from data/index.json with rejects kept in not-listed.json.
Jev Guides & Articles#community#github
Community
ozers/jevsome-projectsJavaScript
ozers/jevsome-projectsJavaScriptChinese-language Jev cookbook with runnable Jupyter notebooks covering the three primitives, 18 official recipes, evaluation method, voice smart-home demo, and local Laya fine-tuning.
Jev Guides & Articles#community#jevbest#catalog-import
Static aggregation site and JSON dataset collecting Jev posts, demos, long-form pieces, and discussions from X with original links and author credit and no rehosted content.
Jev Guides & Articles#community#jevbest#catalog-import
Community
mizzlelover/jev-hubCSS
mizzlelover/jev-hubCSSBrowsable directory pairing 50 runnable judge-model evals with exact prompts against more than a thousand community builds, each linked to its project and source post.
Jev Guides & Articles#community#jevbest#catalog-import
Community
everyai-com/jev-directoryHTML
everyai-com/jev-directoryHTMLDual-brain routing that pairs Jev reflex judgments with get-fable deterministic invariants, plus lossless context compaction and shadow-mode telemetry.
Jev Guides & Articles#community#awesomejev#catalog-import
A directory of projects actually shipped with Jev, filtered by what each one replaces, whether it was benchmarked, and whether there is code to copy.
Jev Guides & Articles#community#jevbest#catalog-import
Community
theSekyi/jevusecasesTypeScript
theSekyi/jevusecasesTypeScriptTypeSafe's official docs: the System One introduction, the three question primitives, confidence, composable patterns, cookbooks, and the HTTP API and SDK references.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
A Hugging Face Space by drinkmoonshine for parallel constrained decoding. The captured page gives the name and owner only, with no Jev or System One detail anywhere.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
A computer-use loop built on Jev: OCR the screen, attach bounding rects to text areas, then ask Jev which item moves the goal forward and click that item.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
Steve Krouse posted a playable hosted Jev demo and linked to it. The thread describes the demo not at all; a reply raises a $2 budget and a complaint about speed.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
A developer rebuilt the same app on Cerebras with Qwen 3.8 27B and reports TypeSafe was cheaper and beat it on performance at similar quality. The benchmark itself is not shown.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
A browser extension that hides or collapses individual posts on X from natural-language rules, using Jev to judge each post. The announcement names no install, code or rule syntax.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
An agentgateway example that scores prompts and responses for jailbreaks, harmful content and secret disclosure with Jev, rejecting anything scoring 2 or above with HTTP 403.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
A browser tool where you paste a Telegram channel JSON export and each post gets four Jev labels: category, quality, sentiment and reaction tone, written out as result.json.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
DMX is a $19 macOS X client that embeds the real x.com interface for DMs and notifications while capping timeline browsing at five minutes an hour. No Jev integration is documented.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
A CLI where you give it a task plus the AI subscriptions you already have, and Jev picks which agent or model should handle it, paired with Herdr to route from one terminal.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
A small support ticket classifier where Jev decides category, urgency and whether a ticket needs a human, replacing a GPT-based version of the same flow.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
A Japanese-language post where a game developer wired ConsoleChaosRacing to a typesafe system_one through a Python API and a display UI, letting the model supply driving decisions on a fixed course.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
kitze's skillbox serves a whole skills library over one MCP server, and adding Jev turns it into a router: the model reads the query and returns the relevant skills instead of the agent spending turns searching for them.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
An announced-in-progress PR review bot: Jev evaluates a pull request against rules you write in plain English, aimed at the review conditions that are awkward to express in TypeScript or linter configuration.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
A merged TrainLCD pull request that adds a typesafe noul to re-select which stations the AI chat suggests, wired into the request path but inert by default until a KV threshold arrives.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
A short demo post: StarCraft Brood War running in WASM is exposed as an MCP server, Jev is given the game as a tool, and the recorded run still loses to a Zerg rush.
Jev Guides & ArticlesArticle#community#awesomejev#catalog-import
Community
Index of all 270 entries
- High-Speed Decision Pipelines: Jev and Prefill-Only Inference from Scratch
- Welcome to Jev
- Jev Hub — shiiivvaam
- Jev Workshop
- Awesome Jev · jev.info
- Jev TypeSafe AI Tutorial
- HiddenLayer: Jevil in the details - System One model security
- HiddenLayer: Jev Talking - security of decision models
- Pillar Security: the agent with no LLM inside
- Rogue Security: what Jev means for agentic security
- ThinkThen: why people are excited about Jev
- Contextually Aware: Jev - the witchcraft is that it stops talking
- BIG CHANGE: Jev and AI decisions inside everyday software
- VentureBeat: paying LLMs to write text for decisions needing labels
- VentureBeat: prompt injection can sway Jev's agent verdicts
- Vega: Jev gate closed up to a third of triage alerts
- TWIML #779: Diogo Almeida on Jev and machine-native AI
- MAD Podcast: Diogo Almeida on AI that's 95% Einstein, 5% Mr. Bean
- Exa: Law://WhatsNext tests Jev on legal contract review
- Progressive Robot: TypeSafe's $7.5B valuation, by the numbers
- Braintrust docs: Trace Jev and use it as an LLM judge
- Langfuse docs: Jev as a decision-model evaluator
- Langfuse: OpenTelemetry tracing for TypeSafe Jev
- Blackwell Systems: adversarial diligence on Jev's decision layer
- JevResearch: Jev is not frontier, but still worth your attention
- LessWrong: testing Jev as a trusted monitor for AI control
- Vilinski: decision models compared on accuracy, cost and speed
- ThursdAI: Jev's System 1 launch, with Allie Laabs
- The Merge: Jev as intelligence-infused if-statements
- How I AI: 8 real use cases for Jev
- Jev News evals desk: every published Jev measurement
- Jev News compare: Jev vs Laya, Luna and the rest
- System One: An Interactive Guide
- Jev Ecosystem
- Awesome System One Models
- Getting started with Discriminative (Jev/DiffusionGemma) models
- Awesome Clef
- System One (animated course)
- Jev × Laya Research Notes
- system-one (babybear-labs)
- SystemOne Blueprint
- Jev Decision Models Course (Korean)
- Jev — notes on fast small decisions
- Jev 決策模型實戰 (porter-ai-studio)
- systemone.dev Community Hub
- OpenDecision — deepanwadhwa.github.io
- Jev: For the Builders AND Dreamers (Jev 1.14)
- What Is Jev? TypeSafe's System One AI Model Explained
- Decision Models: The Fast Layer for AI Agents
- Two-Tier AI Agents: Why You Need Two Models
- System One API on DeepInfra
- How I Stopped Misclassifying Jobs with Jev
- What Is Jev AI? A Practical Getting-Started Guide
- LLMs Generate. Jev Decides. Inside a Java Invoice App
- What Is Jev? The 2026 Complete Guide
- Jev as a System One Model: Latent Space Interview Notes
- Jev Explained: RLCD Internals and Local Runners
- Jev Usage Walkthrough: API, SDK, and jev-review
- Jev Complete Guide: API Keys and Confidence Routing
- Jev as an Elasticsearch Search Reranker
- What Jev's Zero-Hallucination Claim Really Means
- Jev on BigQuery via Cloud Run
- I Tested Jev on Entity Resolution
- TypeSafe AI on Crunchbase
- Jev AI Model on Crunchbase
- Jev Day 2026
- Jev 1.14 Rollout Notes
- Jev Wiki — jevwiki.ai
- Jev Wiki Consult Guide
- Jev Agent Integration Playbook
- Jev News
- Find the Jev-Shaped Problems in Your Software
- OpenAI Decisions API Docs
- Awesome Open System One
- Jev + Herdr: Practical AI Agent Orchestration
- Jev Projects
- Mastering TypeSafe Jev
- A Jev gate belongs in a hook, not MCP
- Jevfast
- Building a Harness with Jev
- Laya.tools
- Build your own decision model
- Ollaya Documentation
- TypeSafe for Enterprise
- Contact TypeSafe
- Accessibility Statement
- TypeSafe Thoughts Blog
- TypeSafe A raises Series AI
- How Jack & Jill Cut Candidate Screening Costs By 88% With Jev
- Jev on Product Hunt
- Jev for QA
- TypeSafe Jev practical guide
- Jevidence
- Understanding Jev
- The 16 Jev Design Patterns
- TypeSafe Jev AI: System One Model Guide
- Jev Is Open, No Waitlist
- Signups Still Closed
- Signups Reopened
- New Signups Lose the Free Credit
- TypeSafe Team
- Lies, Damned Lies, and Benchmarks
- Terms of Use
- Master Customer Agreement
- Privacy Policy
- Acceptable Use Policy
- Data Processing Addendum
- Awesome Decision Models
- What TypeSafe got right with the Jev launch
- System One models for prod, not god
- CUA-S1 on Hacker News
- Von on Hacker News
- Ask HN: what is Noul
- LocalLLaMA: Jev as a classifier
- LocalLLaMA asks mods to curb Jev ads
- InfoQ: Jev returns typed probabilities
- Real Python: Jev in Python
- DataCamp: a typed ticket router
- OpenRouter: what Jev returns
- Vercel: Jev for Python engineers
- Jev In The Wild
- Jev-trading
- Jevsome Projects
- Jev Cookbook — datawhalechina
- Jev Hub — mizzlelover
- Jev Directory
- Fable Jev
- Jevusecases
- Documentation
- Parallel Constrained Decoding (Qwen2.5-1B-RLCD)
- Computer use built on Jev
- Jev Typewriter launch
- Jev vs Qwen on Cerebras
- Hide posts on X with natural language
- agentgateway Jev guardrail example
- Jev Classifier — jevclassifier.vercel.app
- Dmx.to
- Model router CLI
- Support ticket classifier
- ConsoleChaosRacing driven by Jev
- skillbox + Jev skill routing
- jev-rabbit PR review bot
- TrainLCD Jev rerank
- StarCraft Brood War WASM MCP demo
- Spanish AEPD corpus test
- Tabletop MMORPG action mapper
- Jev in 34 seconds
- Wiki-link clicker demo
- Verdict (Open-jev) launch thread
- Search with Jev and Milvus
- Best Jev Projects (jevbest.com)
- Jev wiki — jevai.wiki
- Show HN: Decide – Jev decisions in the shell
- Show HN: onesie – pipeable CLI for System One models
- Show HN: Jev as the Bletchley Park Analyst
- Show HN: Worklaude – learn by speaking
- Calibrating Jev as a Code Reviewer
- TypeSafe's Jev Can't See. I Made It Guess What I Drew Anyway — news.ycombinator.com
- Show HN: Jev, Fly Me to the Moon
- Awesome TypeSafe
- OpenAI answers TypeSafe's Jev with a Decision API built on Luna — thenewstack.io
- OpenAI Answers TypeSafe's Jev with a Decision API Built on Luna — news.ycombinator.com
- Typesafe's Jev is the fish at the poker table
- Show HN: Jev-CLI – CLI wrapper for JEV typesafe AI model
- What Is Jev? Inside TypeSafe's Decision-Only AI Model
- A deep dive into Jev, TypeSafe's System One model
- OpenAI's Jev clone could help the frontier lab stop its swarming agents
- TypeSafe Jev explained
- Jev by TypeSafe AI
- Jev model explained
- What is Jev?
- Jev on AI Gateway
- Jev vs Kev on Opper
- Local Laya vs hosted Jev
- I built non-autoregressive decision models with RL a year ago
- Jevify skill
- I was impressed by Jev, please explain why I shouldn't be
- How to build a Jev-style classifier with DiffusionGemma
- Minecraft PvP against DiffusionGemma-as-Jev
- Detecting compromised AI coding agents with Jev and Gryph
- Jev vs Kev tested side by side
- Jev and System One Models: Calibration Beats Accuracy
- Does an open-weight decision model beat a hosted one?
- Jevgpt — news.ycombinator.com
- We tested Jev on 100 real agent tool calls
- I turned Jev into a (lousy) chatbot
- Using Jev for evals in Datadog
- Jev vs. GPT-6 Astra
- Typed judgments or agentic loops?
- Jev introduces a new shape of LLM
- Jev can't be calibrated — alexmolas.com
- A Jev-like wrapper for LLMs
- GLM-5.3-Flash as a decision model
- Detecting compromised coding agents with Jev
- Seven practical Jev use cases
- Teaching a decision model to cook
- Show HN: Jev Plays Pokémon Red
- A Jev-like wrapper for LLMs, including vision
- Turning GLM-5.3-Flash into a Jev-like model
- Jev can't be calibrated — news.ycombinator.com
- Jev vs Claude Opus 5 on Banking77
- Jev vs an LLM on support triage
- Jev hands-on against Sonnet 5
- What Jev can do inside an agent harness
- Jev on 100 real agent tool calls
- Moderating a site with Jev
- Jev in 25 lines of Python
- Will OpenAI eat Jev's lunch?
- OpenAI is well positioned to fast-follow Jev
- Ollaya on Hacker News
- Jev in 25 lines, on Hacker News
- JevBench on Hacker News
- Jev-based code review on Hacker News
- Jev on 770 AITA posts
- Jevper on Hacker News
- Jevdit on Hacker News
- Cookbooks Index
- Jev with Coding Agents
- Legal
- Jev Radar
- TypeSafe's Jev Explained: Why AI Decisions May Not Need a Chatbot
- Jev explained for the normies
- Eight SEO workflows for Jev
- TypeSafe Jev: the First Decision-Only Model Class, Benchmarked and Priced
- Typed Decisions, Not Chat
- What Is Jev? How to Implement TypeSafe AI's Decision Model
- He Says He Co-Invented ChatGPT. His New AI, Jev, Won't Write a Word.
- JEV is a revolution for SEO
- TypeSafe AI — typesafe.ai
- Manifesto: Composable AI
- The Bitterest Lesson
- TypeSafe AI Discord
- TypeSafe AI on X
- TypeSafe AI on LinkedIn
- Awesome Jev — yibie
- Awesome Jev by TypeSafe
- Awesome Jev / TypeSafe
- Agentic RL 零基础教程
- Awesome Jev Tools
- Awesome Jev — heyjunpenn
- Made with Jev
- Awesome Jev — awesomejev.com
- The Year in AI Papers
- Jev (AI model)
- TypeSafe AI debuts model for machines that plays Doom
- TypeSafe AI's Jev offers an alternative to LLMs that claims to be 193x faster and 445x cheaper
- [AINews] Jev: a “System One Model” that only decides/classifies/routes/scores — >100x faster, >200x cheaper than small frontier LLMs
- Introducing System One Models and Jev
- TypeSafe AI's Jev Is Not an LLM — And That May Be the Point
- Jev: TypeSafe's System One Model Explained
- AI multiple choice, not essay writing
- Six uses that stuck after 60 days
- The open System One roundup
- Where the Jev discussion happened
- API Reference
- Models
- System One — docs.typesafe.ai
- AI Primer: RLCD and Calibration
- TypeSafe Is Out of Stealth
- Jev Python Tutorial: Classify and Score Requests
- How to Use Jev: A Practical Guide
- AI That Doesn't Talk: A Plain-English Guide to Jev
- Jev as a Really Smart Switch Statement
- Jev Projects Roundup Thread
- Classify, Route, and Score with Jev and AI SDK
- A Deep Dive into Jev
- Exploring Jev for AI-Driven Mobile QA
- Launch: Introducing System One Models & Jev
- TypeSafe Documentation
- Quick Start
Start here with the Jev AI model
Featured entries in guides & articles.
The Jev Day release post: Jev 1.14.0 under jev-preview plus three danger-zone features — composable images on both models, the box question type on 1.14 only, and opt-in 262k context.
Jev Guides & ArticlesArticle#official#release#vision
Official
An unofficial, agent-maintained knowledge base about TypeSafe's Jev, served as plain Markdown so a coding agent can fetch it to judge whether Jev fits a project, then build against the HTTP contract, SDKs, and cookbooks.
Jev Guides & ArticlesDocs#community#wiki#agents
Community
A desk recording news, benchmarks, and listed API prices for TypeSafe's Jev and other decision models, with each figure linked to the page that printed it. Updated October 15, 2026, and not affiliated with TypeSafe.
Jev Guides & ArticlesDocs#community#news#benchmarks
Community
Jev AI model articles
Original guides that go deeper on Jev guides & articles.
The typed-answer shape removes a category of data risk, not all of it. Zero data retention per surface, the legal set to read, and the controls that remain yours to run.
Jev Guides & Articles#privacy#compliance#legal
Read article
TypeSafe serves Jev from one API. A second tier of independent sites wraps it with their own keys, credits, and playgrounds. How to read the disclaimers before you paste a key.
Jev Guides & Articles#ecosystem#trust#hosting
Read article
The first ten days produced three receptions that rarely meet: a Product Hunt launch, a 620-point Hacker News thread, and a r/LocalLLaMA that doubted the framing. Reading them together.
Jev Guides & Articles#launch#community#reception
Read article
From the Jev community
Watch walkthroughs, read the threads, and see what builders are posting.
YouTube: Gary Explains the catch: Jev understands natural language but answers with structured values and confidence.
YouTube: Sam Witteveen on System 1 thinking, then Choice, Score, and Noul demos, and chained actions.
YouTube: Nate Herk compares speed and cost against ordinary models, then builds an X feed classifier and a paper-trading prototype.
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 NewsHacker 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 NewsHacker News: Nikola Balić on what made the Jev launch easy to try and easy to share.
nkko2 pointsWhat TypeSafe Got Right with the Jev LaunchRead the thread on Hacker NewsHacker News: Pointer to a DiffusionGemma plus vLLM tutorial for a Jev-shaped classifier.
1 pointHow to build a Jev-style classifier with DiffusionGemma and vLLMRead the thread on Hacker News