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ZZyVOPblog.zyvop.com12h ago · 6 min read

Jev, the AI model that never writes a word

Chat models have been better than most people at following instructions for years. So why is so much business software still held together by hand-written rules? That question is what pushed Diogo Alm

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JHJose Herrerajosemiguelherrera.hashnode.dev4d ago · 17 min read

How to use Jev's Choice API with a model that doesn't generate text

This post is about Jev's Choice API: how to send a question with a fixed set of answers and get back a probability for each one, and how I used it to build Ask Jev, an independent browser extension fo

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UAUjjwal Agarwalguidetodevelopment.hashnode.dev5d ago · 12 min read

Jev: What If Software Doesn't Need an LLM to Make Every Decision?

For the last few years, we've been getting very good at teaching machines to generate. Give an LLM some context and it can write code, summarize documents, answer questions, reason through a problem,

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ADAmoy Duttablogs-amoydutta.hashnode.devOct 2 · 18 min read

Can Jev Actually Sort Your IT Tickets? We Built a Baseline and Found Out

TL;DR We wanted an honest answer to a simple question: is a typed, calibrated judgment model ("System One") like TypeSafe AI's Jev genuinely good or is it just an LLM with better marketing? So we buil

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APAli Palaartofai.hashnode.devOct 1 · 31 min read

I Plugged Jev into My Personal Finance Agent to See What a "Decision Model" Can Really Do

🎧 Prefer to listen? This article is also available as a podcast episode on GenAI Frontline — listen on Spotify. Most writing about new AI models is either a launch announcement or a benchmark table.

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MNMichal Nowikowskigodfryd.hashnode.devOct 2 · 5 min read

Faster model, slower chatbot. What we learned from testing Jev.

Originally published on the WebSpeaker blog. In short: We tested Jev, a new model for rapid decisions, as a way to speed up WebSpeaker. Jev made decisions quickly and slightly more accurately than the

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ZZyVOPblog.zyvop.comOct 1 · 29 min read

Jev Ultrafast, Explained: How a Browser Agent Gets a Flight Search Down to 7 Seconds

A deep dive into browser-use/jev-ultrafast: how it's built, what was measured, and what the benchmark does and doesn't prove. Numbers checked September 29, 2026. TL;DR What it is: a small, MIT-licen

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ZZyVOPblog.zyvop.comSep 30 · 9 min read

What Is Jev? Inside TypeSafe AI's Fast, Structured "System One" Model

A small AI lab called TypeSafe just came out of two years of stealth with something genuinely odd for 2026: a frontier model that won't write you a single sentence. It launched September 15 under the

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DJDanish Javedchatrail.hashnode.devSep 29 · 8 min read

Our reply matching ignored what the customer actually wrote. Jev fixed it for $0.00027.

Building ChatRail in public, #1 I haven't written about how ChatRail gets built before. This is the first one, and it starts with a shortcut I took on purpose. The setup ChatRail sends WhatsApp alerts

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MUMohammed Usmanimohammed-usmani.hashnode.devSep 26 · 11 min read

LiveKit turn detection on real phone calls: why a 2-second average hid a 3.6-second stall

TL;DR I built a voice agent you can call from a real phone (SIP through LiveKit Cloud) and measured every turn instead of trusting averages. On a test call the average reply took about 2 seconds, bu

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Trending tags this week

Jev, the AI model that never writes a word

How to use Jev's Choice API with a model that doesn't generate text

Jev: What If Software Doesn't Need an LLM to Make Every Decision?

Can Jev Actually Sort Your IT Tickets? We Built a Baseline and Found Out

I Plugged Jev into My Personal Finance Agent to See What a "Decision Model" Can Really Do

Faster model, slower chatbot. What we learned from testing Jev.

Jev Ultrafast, Explained: How a Browser Agent Gets a Flight Search Down to 7 Seconds

What Is Jev? Inside TypeSafe AI's Fast, Structured "System One" Model

Our reply matching ignored what the customer actually wrote. Jev fixed it for $0.00027.

LiveKit turn detection on real phone calls: why a 2-second average hid a 3.6-second stall