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.
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Recent activityA FIELD GUIDE TO JEV / VOL. 01
The best of Jev. Real projects, practical guides and ideas from across the internet.
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.
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.
Start with the Launch Post. Explore four official signals.
112 resources
AI-assisted summaries and translations. Check original sources for context and performance claims.
Gregor Zunic's flight-search demo with a dynamic DOM action space.
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Experiment combining JSON rendering with Jev to create instant generative user interfaces for rapid component and design system rendering.
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A Jev-based query planner optimized Postgres performance, achieving a 12% speed improvement on join order benchmarks through tuning.
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Jev analyzes session replays to identify issues and generate bug fix PRs at low cost.
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X timeline labeler. A community post describing a Chrome extension that categorizes X posts into types like engagement bait or promo.
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Jev is used in mobile end-to-end testing with improved efficiency.
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Using Jev to create Clay workflows instantly, leveraging its capabilities for rapid development.
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Jev powers a predictive launcher that anticipates user intent based on typing patterns.
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An always-on assistant built with Jev that operates without a wake word, using probability to distinguish user intent.
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askjev.ai. A community post describing a platform where users can ask questions to Jev, which provides judgments rather than direct answers.
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A community project uses Jev to detect AI-generated text, providing real-time sentence-by-sentence analysis.
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A community experiment demonstrating Jev's capability to function as a computer by emulating a 6502 processor.
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Jev converts websites into native mobile apps by deciding the optimal build process and handling app store submissions.
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A smart calculator notebook capable of performing various calculations using Jev's processing power.
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A Jev-compatible public API using an open model for fast parallel processing.
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A tool using Jev to make copy-paste interactions smarter by deciding content based on context.
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Ephraim Duncan's demo where Jev decides which model should serve a request.
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An experimental tool using Jev to lint Supabase Row Level Security policies.
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Aaron Levin: 155x cheaper than Opus 5, about 20x faster, and it generalizes across operating systems.
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A dynamic form tool using Jev for conditional logic, built with Vercel JSON-render.
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A community tool allowing Jev to make decisions through command-line interactions for agent systems.
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An experiment using Jev to enhance search functionality with intent recognition for improved user experience.
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A tool that interprets spreadsheet intent rather than just recalculating numbers, providing rapid contextual analysis.
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A community tool that filters work-in-progress todos based on semantic meaning, not just keywords.
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An experiment exploring Jev's ability to solve pathfinding problems compared to traditional algorithms like A*.
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A community reference exploring how Jev perceives toxic content, with limited detailed analysis.
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Testing Jev's performance in automating Android end-to-end tests, showing faster results compared to other tools.
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A community post shares a tech talk by Jev's founder, highlighting its speed, cost-effectiveness, and lack of hallucination.
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JevForm creates adaptive forms that change based on user input meaning rather than fixed if-then logic.
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Observe the accessibility tree, Jev chooses the next action, Stagehand executes.
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A macOS app that automatically organizes downloaded files using rules.
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A tool built on Jev that identifies programming languages, colors code, and checks lint rules.
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A speech analysis tool that evaluates 30-second speeches for pauses, filler words, and confidence, providing feedback for improvement.
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Jev improves security pipeline efficiency, offering 5x cost reduction and faster processing while maintaining higher accuracy than smaller models.
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Jev integrates with Cal.com to quickly find team scheduling overlaps.
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A logic interpreter uses plain English to enable Jev to perform reasoning tasks it cannot handle alone.
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A tool that identifies App Store keywords by analyzing competitors and using Jev to filter relevant terms.
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Jev semantically formats spreadsheets instantly, with suggestions for integration into other platforms.
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A tool that processes trading signals to generate intelligent decisions, enhancing system responsiveness.
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Jev plays Puyo Puyo. A community post describing an experiment where Jev makes decisions in a game by evaluating board states and strategies.
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Demonstration of Jev's capability for rapid variable generation in development workflows.
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A community post confirming Jev's capability to generate text, responding to a claim that it cannot.
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A community post suggesting Jev can be hired as a QA tester through @typesafeai.
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A tool that uses Jev to quickly decide on GitHub PR approvals by analyzing CI, diff size, and reviews in 200 ms.
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A challenge where 100 builders used Jev and Fable 5.1 to create a post scheduler, highlighting Jev's speed.
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Jev reviews pull requests with 14 automated checks, detecting issues like hardcoded secrets and SQL patterns.
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A playful tool using Jev to provide random answers to questions.
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Jev is used to identify and flag low-quality text generated by Opus.
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A tool for instant field mapping between templates and data sources, simplifying data alignment with one-click functionality.
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Jev is presented as a language generation tool in a community post, challenging perceptions about its capabilities.
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Compact version of Jev that generates full probability distributions in a single forward pass.
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A tool that monitors user interactions and intervenes only when it detects confusion or difficulty, using Jev to determine appropriate responses.
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A tool that finds local makers using Jev, claiming high accuracy.
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Guillermo Rauch: Jev reviews every fx command, faster and more accurate than a chat model.
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A browser-based search tool that uses a 27K-parameter model to parse queries with Jev's assistance.
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Jev tags X posts in real time with labels like 'breaking,' 'golden nugget,' or 'slop'.
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A project exploring pixel-level image generation through parallel decision-making processes.
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Jev model demonstrates fast decision-making in a strategy game. Achieves high-speed gameplay with minimal visual feedback.
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Jev predicts upcoming shell commands by analyzing historical command data.
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Automates email categorization of 63,045 emails in under 3 minutes at low cost.
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A system that generates text one character at a time using Jev, employing a classifier in an autoregressive loop.
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A community post describing control of a simulated fly.
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A community post explores Jev's decision-making in ethical scenarios, comparing different approaches.
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A tool that analyzes public PR links to determine if they are safe to merge or need review, using Jev's capabilities.
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A community tool utilizing Jev to filter out unwanted reply-guy comments on platforms.
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A tool that provides quick actions based on clipboard content, specifically for macOS.
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Integrates Jev into apps for smart autofill features improving user experience.
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A tool that uses Jev to detect AI-generated content on websites by analyzing specific indicators.
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A community post describing adaptive in-app support using Jev to provide real-time assistance based on user struggles.
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Jev labels category, urgency, and human-versus-auto handling for support tickets.
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A community post about rebuilding the X algorithm with Jev to simulate post virality and global feed.
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A tool for monitoring Reddit threads to gather data cited by AI, offering free analysis of 4000 threads via email, Discord, or Slack.
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