The Jev launch post
Diogo Almeida introduces Jev, TypeSafe’s structured decision model. Watch the launch film and explore the original thread for the model’s approach, examples and author-reported performance.
A FIELD GUIDE TO JEV / VOL. 01
Lo mejor de Jev: proyectos reales, guías prácticas e ideas de toda la web.
Diogo Almeida introduces Jev, TypeSafe’s structured decision model. Watch the launch film and explore the original thread for the model’s approach, examples and author-reported performance.
TypeSafe’s official launch announcement introduces the lab and points builders to Jev. It includes Diogo Almeida’s launch film and original introduction.
TypeSafe announces public access to Jev without a waiting list. The official console is the starting point for trying typed decisions in your own application.
x.comJev opens to everyoneVer proyecto ↗TypeSafe highlights Jev’s typed-output approach: applications provide state and questions, then act on probabilities, choices or scores. The linked announcement also covers the Venice API integration.
x.comAnswers your code can useVer proyecto ↗Four official signals. A fresh starting point on each visit.
65 recursos
AI-assisted summaries and translations. Check original sources for context and performance claims.
Guía del creador Fazt sobre el uso de Jev para decisiones tipadas, con una introducción y ejemplos de aplicaciones.
fazt.devJev de TypeSafe AI: guía de decisiones estructuradasVer proyecto ↗Source-linked curation
Servidor oficial de TypeSafe. Los demos de Builder están en el canal Show and Tell.
discord.ggDiscordVer proyecto ↗Source-linked curation
Defiende la inteligencia nativa de máquinas diseñada para software, no para conversaciones.
typesafe.aiManifestoVer proyecto ↗Source-linked curation
Metodología de evaluación publicada y resultados por modelo para flujos de trabajo de System One.
evals.typesafe.aiEval de flujos de trabajoVer proyecto ↗Source-linked curation
Anuncio de lanzamiento: arquitectura, entrenamiento RLCD, precios, demostraciones de Doom y Wikiracing, FAQ.

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Pega un estado, agrega preguntas y ve respuestas tipadas en el navegador.
console.typesafe.aiPlaygroundVer proyecto ↗Source-linked curation
A resource explaining Jev Engineering methodology for AI agent development.

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A guide explaining Jev's approach to making typed decisions rather than processing text.

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A practical guide explaining the use of TypeSafe’s System One model, providing technical insights for developers.

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A tech publication highlights Jev as an AI model offering a cost-effective and efficient approach to software intelligence.

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A guide exploring Jev's architecture through 10,000 API calls.

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A 30-minute internal session on Jev attended by over 50 engineers, generating more than 50 product ideas.

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Jev is utilized for decision-making processes on Cloudflare, including support routing and risk management.

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Directory of Jev-based projects including repositories, SDKs, and benchmarks.

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A guide on using Jev to route between models and block risky tool calls.

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Browser-based request builder for the System One API: compose state plus typed Noul, Choice, and Score questions. Mock mode runs locally without an API key; Live mode requires your TypeSafe key and calls api.typesafe.ai directly. Generates typesafe_sdk Python. Includes companion Jev Suitability Test.
www.formatho.comFormatho Jev PlaygroundVer proyecto ↗Source-linked curation
Japanese walkthrough of what Jev is and is not.
zenn.devTypeSafeのJevを正しく驚くVer proyecto ↗Source-linked curation
Jev is discussed with examples of Choice, Noul, and Score in a Python project.

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A resource explaining Jev's capabilities, limitations, and applications as a System One model.

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One sentence becomes six room settings. Jev chooses, the app renders.
jev-room.moe136231.chatgpt.siteJev RoomVer proyecto ↗Source-linked curation
The Neuron's explainer on AI decisions without a chatbot.
www.theneuron.aiJev: System One models explainedVer proyecto ↗Source-linked curation
3D chess where Jev plays both sides, or you jump in.
chess-jev.loomens.comchess-jevVer proyecto ↗Source-linked curation
A LangChain package with TypeSafeClassifier for integrating Jev into applications.
pypi.orglangchain-typesafeVer proyecto ↗Source-linked curation
Jev vs Jev gomoku with source and timing logs.
zenn.devjev 同士に五目並べで対戦させたVer proyecto ↗Source-linked curation
Hosted typesafe-ai/jev for AI SDK evaluate calls, no TypeSafe waitlist required.
vercel.comJev on Vercel AI GatewayVer proyecto ↗Source-linked curation
Jev selects legal moves in a game of chess, compared to reasoning models.

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A resource explaining Jev's functions, costs, and evaluation metrics as TypeSafe's System One model.

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Página do criador Leonardo Bissoli com seu vídeo, capítulos e referências sobre decisões estruturadas com Jev.
leonardobissoli.comJev: decisões estruturadas e casos de usoVer proyecto ↗Source-linked curation
Krunker-style 1v1 FPS where Jev decides move, aim, ADS, fire, and jump at about 9 Hz.
jev-arcade.vercel.appJev ArcadeVer proyecto ↗Source-linked curation
Jev integrates with Netlify's AI Gateway for zero-configuration use.
www.netlify.comJev on Netlify AI GatewayVer proyecto ↗Source-linked curation
A report detailing all public Jev builds in the first week, including cost, time, and repository metadata for research use.
madewithjev.comThe Jev Build ReportVer proyecto ↗Source-linked curation
Test a post against 10,000 synthetic personas before you publish it.
crowdcheck-ai.vercel.appCrowdcheckVer proyecto ↗Source-linked curation
Third-party write-up of the System One primitives, pricing, and vendor workflow evals.
www.datacamp.comJev: System One models explained (DataCamp)Ver proyecto ↗Source-linked curation
Release-week technical roundup: API, evals, adapter, and skill.
www.developersdigest.techTypeSafe Jev: the first decision-only model classVer proyecto ↗Source-linked curation
Talk nicely or nastily over time; structured state tracks the mood.
jev-demo.vercel.appJev mood demoVer proyecto ↗Source-linked curation
A guide explaining how to integrate Jev with Pydantic AI agents for type-safe operations.

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X client with Jev smart rules that filter the timeline by usefulness, type, and topic.
dmx.todmx.toVer proyecto ↗Source-linked curation
The maze as JSON; Jev picks the turn at each junction in real time.
jev-pacman.ephraimduncan.comJev Pac-ManVer proyecto ↗Source-linked curation
Short practical intro with a Python ticket-triage example.
mohammedshehu.comWhat is Jev?Ver proyecto ↗Source-linked curation
Hugging Face Space exploring open-source parallel constrained decoding as an alternative to Jev.
huggingface.coParallel Constrained Decoding (Qwen2.5-1B-RLCD)Ver proyecto ↗Source-linked curation
Village NPCs that judge you each tick, deciding what to do and how they feel, instead of chatting.
hollow-creek-sigma.vercel.appHollow CreekVer proyecto ↗Source-linked curation
Work-in-progress demo of Jev driving Minecraft, including fleeing zombies at night.
reddit.comJev plays Minecraft (r/accelerate)Ver proyecto ↗Source-linked curation
Free, no-signup Noul demo. Ask a question, get yes, no, or maybe, with web search when needed.
yesno.coderai.devYes / NoVer proyecto ↗Source-linked curation
Latent Space's launch-day roundup: over 100x faster and 200x cheaper than small frontier LLMs.
www.latent.spaceAINews: Jev, a System One Model that only decidesVer proyecto ↗Source-linked curation
Página principal de la empresa, lista de espera y visión general del producto.
typesafe.aiTypeSafe AIVer proyecto ↗Source-linked curation
A directory of Jev-related demos with categorization and submission options.
jevable.comJevableVer proyecto ↗Source-linked curation
Dev.to walkthrough of the Vercel AI SDK evaluate integration.
dev.toHe says he co-invented ChatGPT. His new AI will not write a wordVer proyecto ↗Source-linked curation
One direct Jev question per row against 12–14 Jev-scored dimensions with locally fitted weights on three classification tasks: 5,477 test rows, 25,174 Jev calls, $1.43. Decomposition wins on Japanese NLI (0.9076 vs 0.8373) but flags about 25× more hard benign rows as attacks (37.2% vs 1.5%).
agentjournal.devOne judge call vs twelve dimension scoresVer proyecto ↗Source-linked curation
Independent walkthrough separating TypeSafe's published claims from public evidence.
warmersun.comTyped decisions, not chatVer proyecto ↗Source-linked curation
Small game that tests how Jev handles unknown input.
game-plan.adriaansendennis.workers.devGame PlanVer proyecto ↗Source-linked curation
1,800-point thread debating whether typed decisions replace LLM calls for classification, routing, and scoring.
news.ycombinator.comHacker News launch threadVer proyecto ↗Source-linked curation
A tool for tracking decisions made by Jev, using Arize's instrumentation for detailed analysis.
arize.comTrace every judgment with PhoenixVer proyecto ↗Source-linked curation
Technical SEO audit cost study from Boring Tools Kit where Jev ranks striking-distance fixes and content gaps by calibrated probability.
boringtoolskit.comSEO audit cost study driven by Jev triageVer proyecto ↗Source-linked curation
Head-to-head test at validating local event listings, with cost and latency.
nearhere.eventsJev vs Mistral and Gemini for event validationVer proyecto ↗Source-linked curation
Local Telegram channel JSON analyzer for intent, quality, sentiment, and speaker tone.
jevclassifier.vercel.appJev ClassifierVer proyecto ↗Source-linked curation
A guide on integrating Jev with LiteLLM for simplified model calls through an existing proxy.
docs.litellm.aiJev through LiteLLMVer proyecto ↗Source-linked curation
Directory listing systems using Jev for Noul, Score, and Choice questions.
jev.directoryjev.directoryVer proyecto ↗Source-linked curation
The Register on the launch, the Doom demo, and the $40M seed round.
www.theregister.comTypeSafe AI debuts model for machines that plays DoomVer proyecto ↗Source-linked curation
Playable board games driven by Jev decisions.
jevboardgames.everpaper.appJev board gamesVer proyecto ↗Source-linked curation
Val Town demo where 16 typed judgments update live as you type.
typesafe-demo.val.runTypeSafe TypewriterVer proyecto ↗Source-linked curation
Practical guide: playground, Python and JS SDKs, raw HTTP, and the agent skill.
ziplyne.agencyAI that does not talkVer proyecto ↗Source-linked curation
Every's Mike Taylor runs his whole archive through Jev.
every.toMini-Vibe Check: Jev judged everything I have written in 0.7 secondsVer proyecto ↗Source-linked curation
Jev picks rotation and column from holes, stack height, and bumpiness.
jev-omega.vercel.appJev TetrisVer proyecto ↗Source-linked curation
Anthony Maio's essay on what a model that cannot generate text is for.
anthonymaio.substack.comJev: The Language Model That Will Not TalkVer proyecto ↗Source-linked curation
@ai-sdk/typesafe-ai plus experimental_evaluate; use jev-latest as an evaluation model.
ai-sdk.devVercel AI SDK providerVer proyecto ↗Source-linked curation