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  1. 1
    Benchmarks & Evalsx
    Morgan on X: It has been a really interesting experience to build an eval suite for System On

    It has been a really interesting experience to build an eval suite for System One Models like Jev. My first two attempts didn't work out. But I learned a lot in the process, and since Jev is so fast, and cheap, it's a lot easier to run quick tests than with an LLM. I'm on attempt number three with this eval suite, and thought I'd share more about it. The eval suite is called @VulcanBench Verdict, and here's the high-level on how it works: ❤️ 32 likes on X

    @morganlinton

  2. 6
    Searchsite
    Channel Finder: Jev relevance case study

    How Channel Finder uses Jev as one typed semantic relevance signal, while code and manual review keep deterministic rules and final judgment separate.

  3. 7
    SDKs & Integrationssite
    Jev Agent hosted MCP judgment tools

    A hosted Jev MCP server with yes/no, multiple-choice and rubric judgments for Claude, Cursor and any agent, compared with the community Jev MCP servers.

  4. 8
    Open Sourcegithub
    Jev Playwright

    Jev-powered Playwright test selection. Contribute to arthurfiorette/jev-playwright development by creating an account on GitHub.

    arthurfiorette

  5. 10
    Tools & Appssite
    Edit Text in Image Online Free - Preserve Font & Layout

    Edit text in images with AI — no Photoshop needed. Replace text in screenshots, posters, product images, JPEGs and PNGs while preserving the original font, color, lighting and perspective. Get 1 free credit when you sign up.

  6. 11
    Benchmarks & Evalsx
    silentguy on X: Grok Bot does the job, Jev decides where the job goes next

    Grok Bot does the job, Jev decides where the job goes next That's the ai company split: a work model and a decision model In this free 22-min tutorial they walk through jev, typesafe's "system one" model that makes decisions instead of chatting You ask one question, Jev answers from a fixed menu: noul, choice, score The demo: customer messages in, frustration score out. usable right in code Not another chat model, it's the fork in the pipeline Grok Bot keeps generating Jev keeps deciding Humans keep the approvals The teams wiring in that third layer are quietly becoming one-person companies Save this before your competitors put a decision layer between their bots ❤️ 19 likes on X

    @silentguyy66

  7. 12
    Benchmarks & Evalsx
    spect on X: The founder of Jev just dropped a 1-hour masterclass on how Jev actually works

    The founder of Jev just dropped a 1-hour masterclass on how Jev actually works LLMs → Decisions → Verification → Coding Agents 0% → 0:40 - why LLMs alone aren't enough 25% → 20:27 - the 3 primitives behind Jev 50% → 26:15 - turning huge AI tasks into tiny reliable decisions 75% → 45:04 - real systems: data, agents, verification 100% → 56:33 - the future of coding agents, memory and subagents Most people are still learning prompts. This explains the layer that decides what the model should do, checks whether it worked, and decides what happens next. Basically: how you go from “AI chatbot” to software you can actually trust to run itself. And it's explained by the guy building it. Bookmark this. Watch the full hour tonight. Then read the guide below and steal the architecture for your own agents ↓ ❤️ 47 likes on X

    @spectnfa

  8. 13
    Benchmarks & Evalsx
    Dain on X: A beautiful pattern can still be noise.

    A beautiful pattern can still be noise. Here’s a JEV × Opus 5.5 workflow I’d test: → A data pipeline identifies candidate signals. → JEV selects which candidates to investigate using defined criteria. → Opus helps explore those candidates and propose explanations. → Statistical checks and human review test whether those explanations hold up. The critical question: what evidence would change our mind? That question belongs inside the workflow, before a promising pattern becomes a confident conclusion. This animation illustrates the concept. The particles and activity are simulated. ❤️ 77 likes on X

    @Dain0x

  9. 14
    Benchmarks & Evalsx
    Utkarsh Maheshwari on X: Is the Jev hype real,

    Is the Jev hype real, so I made to test this on my movie recommendation engine, which is getting crazy results on Quen Re ranker , I used an open-source alternative of Jev , Laya. But unfortunately Quen is way better, dekhlo! @typesafeai #jev #Jev ❤️ 2 likes on X

    @utkarshgsuv

  10. 17
    Benchmarks & Evalsx
    Chase on X: Jev Engineers just released Jev, and the architecture is simple: state goes in,

    Jev Engineers just released Jev, and the architecture is simple: state goes in, auditable decisions come out I mapped the decision layer into a field blueprint: what Jev reads, what it returns, and how an agent uses those answers in a real loop: step 1 → give each layer a job. The LLM plans and writes. Jev chooses between bounded options. Code carries out the action. step 2 → build the state before asking for a decision. Include the goal, evidence, available actions, previous actions, and what the environment looks like now. step 3 → define the questions in code. Choice selects an option. Score rates it. Noul estimates whether a condition is true. The answers are typed, so the runtime can use them directly. step 4 → ask independent questions together. One state snapshot can support routing, risk, and relevance decisions in the same pass. step 5 → use the answers to route work. A lookup, a complex reasoning task, and a tool call don’t need the same model or execution path. step 6 → add a gate before the tool runs: allow, ask, or deny. A high-confidence answer still has to pass the action policy. step 7 → execute the selected action and check the outcome. Record what the tool actually did, including failures. step 8 → update the state with that result. Otherwise, the agent’s next decision is based on a world that no longer exists. step 9 → apply the pattern where small decisions repeat: model routing, tool guardrails, inbox triage, research classification, browser actions, and context compaction. step 10 → judge the whole task. Track whether the agent reached its goal alongside cost, latency, approvals, and failed actions. the result: you can trace an action from the evidence Jev received to the decision it returned and the outcome your tools produced. Save the Jev Decision Infrastructure blueprint for your next agent build ↓ ❤️ 16 likes on X

    @0xChaseTM

  11. 23
    Benchmarks & Evalsx
    Dorian Smiley on X: Testing Jev’s accuracy tonight for next best action prediction. The results:

    Testing Jev’s accuracy tonight for next best action prediction. The results: Canonical accuracy: 98.6% Generalization accuracy: 41.5% We ask Jev to predict the next state in a program from the current partial program. The suite has 25 cases and we ran it 20 times. Seven cases are represented in the in context examples. The other 18 are held out cases that require Jev to generalize from those examples. The failures are not uniformly random. Jev generalizes perfectly on some unseen compositions and fails almost deterministically on others. That suggests there may be specific structural boundaries to what it can infer from context. Maybe some of this is prompt design. Maybe it is a capability boundary. We’re testing that now. But next best action prediction is important. A huge amount of software today contains really brittle decision logic: onboarding, payments, claims, revenue cycle, approvals, exception handling, etc. If Jev is a bet on software consuming intelligence, this is exactly the kind of high frequency, high value logic it needs to improve. ❤️ 4 likes on X

    @dsmiley411

  12. 24
    Agents & Browsersx
    nicolay on X: Jev is the semantic if in your agent loop.

    Jev is the semantic if in your agent loop. LLM writes. Jev (TypeSafe System One) answers typed questions on the same state (Noul, Choice, Score) with calibrated probs. Your code branches. Pull the cheap decisions out of the LLM. Early access: https://console.typesafe.ai ❤️ 0 likes on X

    @nicolaycz

  13. 26
    Benchmarks & Evalsx
    CRYPTOFANZ💜💎 on X: 𝗝𝗲𝘃 𝗜𝘀 𝗧𝘂𝗿𝗻𝗶𝗻𝗴 𝗔𝗜 𝗜𝗻𝘁𝗼 𝗔 𝗦𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲𝗱 𝗗𝗲𝗰𝗶𝘀𝗶𝗼���

    𝗝𝗲𝘃 𝗜𝘀 𝗧𝘂𝗿𝗻𝗶𝗻𝗴 𝗔𝗜 𝗜𝗻𝘁𝗼 𝗔 𝗦𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲𝗱 𝗗𝗲𝗰𝗶𝘀𝗶𝗼𝗻 𝗟𝗮𝘆𝗲𝗿 ⚡ As the first System One model launched by @typesafeai, Jev is designed for software that needs AI to make fast, structured decisions—not generate paragraphs of text. Traditional workflow: Prompt → Text → Parsing → Validation → Application Logic Jev takes a more direct route: Application State → Typed Question → Typed Decision No JSON prompting. No complex output parsing. Just typed decisions that applications can use directly, along with probability and confidence. Jev supports three decision patterns: 🔹 Choice — Select from predefined options 🔹 Score — Evaluate using a defined scoring framework 🔹 Noul — Handle structured decision problems built around application logic Speed is another key feature, with response times designed around roughly 70–500ms. Its pricing is also aimed at high-frequency inference: 💰 $0.042 per million input tokens 🆓 Output tokens free Potential use cases include: 🎫 Ticket routing 🛡️ Content moderation 📊 Risk scoring 🤖 Agent branching and workflow decisions The bigger idea is simple: AI doesn't always need to write something for a human to read. Sometimes, software just needs a fast, reliable decision. That makes models like Jev an interesting direction for AI agents, automation, and real-time application infrastructure. Available through the http://B.AI API as: Jev-1.13.0 Jev-Latest 🔗 http://chat.b.ai/chat @justinsuntron @BAI_AGI #TRONEcoStar #AI #Agents #B_AI ❤️ 0 likes on X

    @cryptofanz12

  14. 28
    Open Sourcex
    WquGuru on X: Jev 发布才 8 天,开源替身已经一堆了,今天诺基亚也来蹭热闹了😅

    Jev 发布才 8 天,开源替身已经一堆了,今天诺基亚也来蹭热闹了😅 我在 MacBook 上,让官方 Jev 和 3 个开源方案同跑 20 张中文工单🫱 Laya 25ms,比 Jev 快 50 倍 djev 509ms 官方 Jev 1.3 秒 AnyJev 将近 4 秒 仓库都在这: Laya(Mac 版)http://github.com/mizorewww/laya-mlx djev(Mac 版)http://github.com/jamescorbett/mlx-vlm AnyJev http://github.com/nokia-applied-research/AnyJev 但快的,不一定对 👇 ❤️ 439 likes on X

    @wquguru

  15. 29
    Agents & Browsersx
    Ricker on X: Jev Engineering turns a static agent workflow into a graph that can rewrite itse

    Jev Engineering turns a static agent workflow into a graph that can rewrite itself while running. the video is basically the problem at scale: hundreds of routes → thousands of crossings → different agents → different tools → different confidence levels Jev Engineering doesn’t control every step. it controls the crossings. when two paths compete: → score both → kill the weak route → reroute the task so instead of one fixed chain, you get a live braid: state → decision → parallel paths → crossings → Jev → next state that’s the point of Jev Engineering: more parallel execution without letting the system lose the objective. the agents create the paths. Jev decides which paths survive. full breakdown below ↓ ❤️ 123 likes on X

    @0xRicker

  16. 34
    SDKs & Integrationsx
    delost on X: Jev has been blowing up lately.

    Jev has been blowing up lately. If you already have API access but don't know where to start, just copy this checklist: 1. jev-browser Drives a real headless browser through MCP, CLI or a library. Jev picks one action per step from the page's clickable and typeable elements, and scores whether the goal is met or the run is stuck. https://github.com/jkudish/jev-browser 2. jev-browser-agent Per-step browser decisions at about a second. One request asks "which operation" and "which target" together, and confidence under 0.6 escalates to a bigger model or to you. https://github.com/smartdio/jev-browser-agent 3. typesafe-jev-bridge Zero-dependency OpenAI-compatible bridge. Use typed yes/no, choice and score judgments from Claude Code, Cursor, Cline or any OpenAI SDK, over CLI or HTTP. https://github.com/RevocGG/typesafe-jev-bridge 4. pilot-typesafeai-jev Jev inside LangGraph and Deep Agents. One request asks three questions, plain code picks the route, and only the winning route spends chat model tokens. https://github.com/jyje/pilot-typesafeai-jev 5. building-with-jev-skill An agent skill for writing programs that call Jev: question design, state structure, thresholds, and how to diagnose a question that answers wrong. https://github.com/dbreunig/building-with-jev-skill 6. jev-skill Guided setup plus evaluation workflows, with a read-only presence check and no silent provider switches or fabricated probabilities. https://github.com/wuyoscar/jev-skill 7. awesome-jev Source-backed catalogue of what people actually shipped, sorted by category, with limitations noted per entry. https://github.com/yibie/awesome-jev 8. awesome-typesafe-jev Field guide with SDKs, live demos, agent tools and independent evaluations, including where the vendor numbers came from. https://github.com/AbdelStark/awesome-typesafe-jev 9. awesome-jev-by-typesafe Evidence-backed use cases, patterns and starter code, with the 70 to 500 ms latency claim marked as vendor-reported. https://github.com/Anil-matcha/awesome-jev-by-typesafe 10. awesome-jev (cobanov) The widest catalogue right now: SDKs in Go, Java and JS, MCP connectors, guardrail experiments and studies. https://github.com/cobanov/awesome-jev Copy these complete Jev blueprints - then read the full Jev setup below ↓ ❤️ 18 likes on X

    @thedelost

  17. 35
    Agents & Browsersx
    YZ on X: 使用 #Jev 做了一个填写外链信息的演示。

    使用 #Jev 做了一个填写外链信息的演示。 眨眼的功夫就找到入口,并准确的把已知信息填写完了。 准备把之前的Submit Agent改成使用JEV模式。 关注github,在评论区 ❤️ 0 likes on X

    @robot_yz

  18. 36
    Agents & Browsersx
    dealer.eth on X: I LEAKED THE JEV STACK I RUN MY AGENTS ON, IT CAUGHT 11 OF THEM IN ONE NIGHT BEF

    I LEAKED THE JEV STACK I RUN MY AGENTS ON, IT CAUGHT 11 OF THEM IN ONE NIGHT BEFORE THEY BROKE SOMETHING Agents don't fail at writing code, they fail at deciding, which file to open, which hunk matters, whether to run that command, whether they're actually done. Every one of those comes back as a paragraph you have to parse, and none of them come back with a number telling you how sure it was. So I made them typed, a confidence on every answer, and a gate written in code, not in the model, that acts, holds, escalates or refuses. Ran it on my own repo last night, 30 tasks, 4 agents in parallel, 360 judgments at 311 ms each, four cents for the whole thing. 19 shipped with nobody watching, 11 got stopped cold. Those 11 are the whole product. ❤️ 2 likes on X

    @dealerdefi

  19. 39
    SDKs & Integrationsx
    kayato on X: Jev使ってネタバレ防止のChromeアドオン作ってみた。

    Jev使ってネタバレ防止のChromeアドオン作ってみた。 例) ガンダムシリーズの投稿は見たいけど、閃光のハサウェイの新作のネタバレは見たくないというシチュエーションでのデモ 結構いい感じに動いてる…!これなら不意打ちのネタバレくらわないのでは…! @typesafeai #Jev ❤️ 6 likes on X

    @_kayato

  20. 42
    Open Sourcesite
    Jev Playground | Open-source decision models on Beam

    Send a state and questions to Laya, SemIf, Kev, NanoJev and Jevlike, the open-source Jev-style decision models, and read the calibrated probabilities that come back. Served on Beam's managed endpoints.