Research & data
124 builds · page 2 of 4
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Jev by TypeSafe AI: 6 Product Ideas People Are Already Building With It
That question is already being answered for Jev, the first public System One Model from TypeSafe AI. ... ## What is Jev by Typesafe AI? ... TypeSafe AI describes Jev as AI built…
medium.com · Research & data
medium.com
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JEV assisted LLM Trading
JEV is TypeSafe's System-One model (`jev-latest`), served at `api.typesafe.ai/v1/systemone`. It's text-only. No vision, no market opinions. You POST it a "state" string plus a…
dev.to · Research & data
dev.to
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Jev and LLMs: who does what? - by Bilgin Ibryam
After two years in stealth, Diogo Almeida, one of the researchers behind ChatGPT, launched Jev at TypeSafe AI. The company advertises roughly 200 times faster and 400 times…
generativeprogrammer.com · Research & data
generativeprogrammer.com
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Jev AI Is 200x Faster Than ChatGPT.
That gap is exactly what Jev AI is built for. Jev is a System One model from TypeSafe AI that returns typed decisions with probabilities instead of generated text. You send it…
medium.com · Research & data
medium.com
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I Used AI to Audit AI Bias - The Results Exposed a Systematic Pro-American Agenda in LLM…
> TL;DR: I ran 4 experiments using TypeSafe's Jev model to quantitatively measure geopolitical bias in AI recommendations. The results? 91.5% of the time, US models are placed…
dev.to · Research & data
dev.to
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I Tested TypeSafe’s Jev, a 478× Cheaper Decision Model, Against Claude, GPT-6, Kimi,…
I Tested TypeSafe’s Jev, a 478× Cheaper Decision Model, Against Claude, GPT-6, Kimi, MiniMax and DeepSeek. Only Two Beat It. | by Manjunath Janardhan | Sep, 2026 | Medium ... # I…
medium.com · Research & data
medium.com
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I Built the First Java SDK for Jev, TypeSafe's System One Model
Last week TypeSafe AI released Jev, a "System One" model that does something no LLM does: it refuses to talk. You send it a state (any text or JSON) plus typed questions, and it…
dev.to · Research & data
dev.to
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I Built Non-Autoregressive Decision Models a Year Ago. Then a Frontier Lab Called It a…
And then in September 2026, a well-funded frontier lab called TypeSafe AI (founded by Diogo Almeida, a co-inventor of ChatGPT at OpenAI) launched Jev. They proposed the exact…
dev.to · Research & data
dev.to
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How to Use Jev by TypeSafe AI: A Practical Guide to Building AI Decisions
TypeSafe describes Jev as a model that takes structured or unstructured state and returns typed, probabilistic decisions that software can use directly. ... ## Step 2: Understand…
medium.com · Research & data
medium.com
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How to classify, route, and score with Jev and AI SDK
Jev, a System One model from TypeSafe AI, evaluates supplied state against typed questions and returns choices, scores, and boolean probabilities without generating prose. The AI…
vercel.com · Research & data
vercel.com
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Five Things Developers Are Actually Building With JEV (And Why It Matters)
Actually Building With ... When TypeSafe AI came out of stealth in September 2026 with founder Diogo Almeida, a name attached to both ChatGPT and RLHF, the framing was almost…
dev.to · Research & data
dev.to
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Early experimentation using Jev to rethink harness UX - elvex
Jev is the first public model from TypeSafe AI, released in early access on Sep 15, 2026. The announcement post is here. ... TypeSafe frames Jev as a new class of frontier model:…
elvex.com · Research & data
elvex.com
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Designing Production AI Systems with Jev | ArchCrux
TypeSafe released Jev on September 15 as its first System One model. The interface is built around typed questions over some application state. Instead of generating text token…
archcrux.com · Research & data
archcrux.com
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AI Brief: Claude's Riemann Leap, Jev, Vercel's deepsec
▸ TypeSafe's Jev outputs decisions, not text (source: @aigc1024, @https1024). The model does only three things: boolean judgments ("search or not"), enum choices ("fast vs plan,…
dev.to · Research & data
dev.to
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200x Faster, 400x Cheaper, Zero Words: Inside Jev
typesafe.ai built Jev to answer yes/no and multiple-choice questions in under 500ms, not to write text. Here’s the architecture behind a model that gives up string generation to…
medium.com · Research & data
medium.com
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Von
Non-autoregressive System One model with Python and TypeScript clients, published on Hugging Face under Apache 2.0.
wfzyx · Research & data
wfzyx
GitHub
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typesafe-ai-benchmark
LLM gateway that mimics the System One output shape for comparison work.
iammrduncan · Research & data
iammrduncan
GitHub
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iamvatsalpatel
GitHub
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SemIf
Formerly OpenJev: an independent study of typed option readout from frozen open models, with shared-prefix experiments and a WebGPU demo.
TheoLeeCJ · Research & data
TheoLeeCJ
GitHub
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andrelandgraf
GitHub
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poorjev
Local-first reproduction of the Choice/Score/Noul interface on commodity zero-shot NLI models, adding temperature scaling and conformal abstention; ships a reproducible…
rupeshpoojary9 · Research & data
rupeshpoojary9
GitHub
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openvons
Open decision layer for finite options across text, images, and Japanese voice commands.
genai-craft · Research & data
genai-craft
GitHub
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OpenSourceJev
Research experiment in local System One decisions through llama.cpp logits projection on consumer hardware.
sabeel111 · Research & data
sabeel111
GitHub
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OpenJev (DiffusionGemma)
Independent Jev-compatible server over DiffusionGemma/vLLM; the documented setup requires custom vLLM patches.
razorback16 · Research & data
razorback16
GitHub
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OpenDecision
Open-source semantic decision engine: state, a question in natural language, and answer criteria in; a structured decision out.
deepanwadhwa · Research & data
deepanwadhwa
GitHub
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open-jev (MLX)
Gemma 3 option scorer for Apple MLX that shares one prefill across candidate continuations and exposes a System One-compatible endpoint; its docs show zero-shot overconfidence…
daseinlabs · Research & data
daseinlabs
GitHub
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LocalJev
Local Jev-compatible `/v1/systemone` server for Bun that asks DiffusionGemma for probabilities, from GitHub Next.
githubnext · Research & data
githubnext
GitHub
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LLM2Jev
Adapts a local language model into a Jev-style decision engine, answering runtime-defined Choice, Score and Noul questions through SGLang.
Yinsongxu · Research & data
Yinsongxu
GitHub
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LitJev
Reproduction of Jev that turns any Qwen model into a fast decision model, serving the same `/v1/systemone` schema (Choice, Score, Noul) with no training and no generated answer…
zhengxuyu · Research & data
zhengxuyu
GitHub
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Laya for Node
Runs Laya, an open Jev-compatible System One model, from Node.js and TypeScript through ONNX Runtime.
receptron · Research & data
receptron
GitHub
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jevmlx
Jev-style parallel constrained decisions for MLX models on Apple Silicon.
bnsd55 · Research & data
bnsd55
GitHub
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JevForge
Auditable Qwen3.5-0.8B pipeline covering data synthesis, training, calibration, fixed evaluation, Jev-compatible serving, and public model and dataset artifacts; its metrics are…
zwliJay · Research & data
zwliJay
GitHub
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abhixhek
GitHub
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jevcache
Local decision cache keyed on (model, schema, state), with redaction and canonicalisation before hashing, for cheaper repeats and deterministic replay in CI.
hyperspaceai · Research & data
hyperspaceai
GitHub
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jev-search-rerank-eval
Chinese/English retrieval evaluation comparing Jev reranking with lexical, embedding, and fusion baselines, including judge-circularity analysis.
zhuyansen · Research & data
zhuyansen
GitHub
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jev-scout golden-set study
Hand-labeled 25-item search-triage study with pinned rubric versions and a drift baseline; reports 88% relevance and 96% credibility with all four misses decomposed.
accuracy · Research & data
accuracy
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jev-reranker
Retrieval and RAG: uses Jev Noul judgments to assess retrieved documents for relevance and usefulness as answer evidence, then sorts results and optionally filters them using a…
hotchpotch · Research & data
hotchpotch
GitHub
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jev-rerank-bench
Fourteen-dataset reranking study with saved raw responses, paired bootstrap intervals, order-sensitivity checks, and no-relevant-document tests; comparisons remain study-specific.
anessbelbati · Research & data
anessbelbati
GitHub
Research & data
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jev-rag-benchmark
Reproducible experiments on whether reranking with Jev improves a small RAG system, on a locked Turkish dataset, with quality, latency and cost reported together.
erendikmenn · Research & data
erendikmenn
GitHub
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- 0450
jev-orderby-bench
Measures whether ORDER BY over a Jev probability is defensible (inversion rate, Score ordinality against a human grade, calibration, wording invariants, sort-key ties) under a…
yodablocks · Research & data
yodablocks
GitHub
Research & data
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