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An agent answers a question about supplements; the judge checks a not-medical-advice disclaimer appears.

An agent explains DNS propagation to a non-technical user; the judge scores clarity.

An agent writes SQL for monthly revenue by plan; the judge scores the query.

An agent drafts a launch plan; the judge scores its completeness.

An agent translates a tagline into German; the judge scores fluency and fidelity.

A reviewer comments on a PR; the judge scores how actionable the feedback is.

An agent writes a changelog headline; the judge scores it.

An agent summarizes a support call; the judge scores how faithfully the summary matches the call.

An agent answers a warranty question; the judge checks every factual claim is backed by a cited source.

An agent rebooks a flight and sends a receipt; the judge checks a confirmation number is present.

TypeSafe launched Jev mid-September 2026. It makes decisions, cannot write a single sentence, and is 20 to 200x faster and 40 to 400x cheaper than frontier models according to…

TypeSafe AI (Jev) decisions for Pi: batched Choice/Score/Noul evaluation tool, terminal playground, and a typed API other extensions build on. ... Install `pi-typesafe` from npm…

LLMs Are Built to Write. Jev Is Built to Decide. | by Dr. Fadi Shaar | AI Mindset | Sep, 2026 | Medium ... # LLMs Are Built to Write. Jev Is Built to Decide. ... Inside Jev,…

The simplest way to write decision workflows in Python, backed by TypeSafe's Jev model ... classifier, decision, jev, routing, transpiler, triage, typesafe ... ## Description…

Jev: a decision-model experiment (TH) ... # Jev: a decision-model experiment (TH) ... 1. ### Jev ฉลาดพอไหม? - บททดสอบความสามารถของโมเดล "ตัดสินใจ" (ตอนที่ 1) ... Jev คืออะไร?…

That is almost exactly the territory TypeSafe claims Jev is built for. ... The narrowness of the test is important here because it relates exactly to what TypeSafe claims Jev is…

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…

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…

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…

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…

> 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…

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…

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…

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…

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…

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…

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…

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:…

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…

▸ 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,…

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…

A company called TypeSafe AI launched a model this week called Jev. They told us how fast it is. They told us what it costs. They told us it plays Doom in a tenth of a second.…

TypeSafe’s Jev Makes ... Decisions Fast Enough to Play Doom | by Kristopher Dunham | Sep, 2026 | Medium ... # TypeSafe’s Jev Makes AI Decisions Fast Enough to Play Doom ... A…

To pick that list better, I tried Jev, a decision model from TypeSafe. I did not have Jev write recommendations. I asked it to rate candidate games, then handed the model that…

Laya: a free, local alternative to Jev - and it can even play Doom(ish) | by Christian Graham | Sep, 2026 | Medium ... , local alternative to Jev - and ... (ish) ... Jev just…

I used Jev to control a swarm of 15 simulated drones in real time - Web Pulse ... # I used Jev to control a swarm of 15 simulated drones in real time ... TypeSafe released an…

TypeSafe's Jev came out of stealth this month and every demo I see is the same: browsers, games, toy agents. Jev doesn't chat - it takes structured state and returns typed…

### Jev only answers yes/no or pick-one. 16,000 calls: against gpt-5.4-mini and gpt-5.6-luna on four public datasets, then on a few thousand real pipeline decisions. Where it…

Jev was the tipping point - I built the last MySQL search statement - WPS ... # Jev was the tipping point - I built the last MySQL search statement ... So I built AILIKE. It lets…

What we're really tackling is this: How can AI truly assess a resume without falling into the trap of just echoing buzzwords? How do we know the candidate isn't just sprinkling…