Projects built with Jev

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MotherDuck: classify text directly in SQLText classification in MotherDuck just got ~50x faster at ~1% of the cost. prompt_jev() is a SQL function powered by Jev, TypeSafe's new system one model. 100k rows: 40s, $0.50, frontier-LLM accuracy. The LLM took 32 min and $37. Read on:MotherDuck208.5K views on X

Spot scam-call red flags in real timeRealtime scam detection using Jev and ElevenLabs. ElevenLabs transcribes the caller as they speak, Jev calculates total scam risk and detects common red flags. Each request came back in ~180ms, and the 11 requests cost $0.00043.ElevenLabs Developers10.9K views on X

See the mood of a call as it happensRealtime sentiment analysis with Jev and ElevenLabs. Each phrase takes on the color of the emotion it carries while the caller is still talking. Six meters on the right track the mood of the call.ElevenLabs Developers171.3K views on X

OpenRouter: let Jev choose the modelIntroducing typesafe/jev-router: a cache-aware model router powered by Jev and @typesafeai The Jev Router picks the best model and reasoning effort for each request, balancing quality, speed, and cost. Here's how it works 👇🏻OpenRouter1.1M views on X

A virtual robot that follows your instructionsJev vs Claude, same robot, same instructions. 233 ms vs 2 s. And yes, it sulks when you insult it. 1x speed, sound on.Godefroy1.3K views on X

Jaste: copy and paste with intentintroducing Jaste (beta) - @typesafeai jev powered copy/paste - faster than the original demo - local mode dropping soon - byok support using your computer doesn't have to be so tediousMarcus Lowe116K views on X

A WebMCP sidekick for your browser🎇 I made a small Chrome extension: a side panel that drives any site's WebMCP tools with Jev! When you type, on every keystroke it picks the relevant page's tool, fills in the arguments, and tells you how sure it is. Here it is grocery shopping:Sarah Drasner74.8K views on X

Stet: writing feedback with your own rulesbuilt a real-time writing linter powered by jev 📝 write custom rules like “flag anything that sounds like a linkedin post” receipt printer included 🖨️ (includes audio)jhey ʕ•ᴥ•ʔ49.6K views on X

A presentation coach that follows alongMade a real-time presentation coach with Jev. It listens as you present, follows your slides and notes, and keeps track of what’s still left to say.Hakim El Hattab39.5K views on X

Find what you mean on any pageIntroducing a new way FIND (⌘F) with @typesafeai Jev. Find what you mean, not what just matches. Super fast and near real-time. Made it 100% open-source chrome extension.Shubham Saboo292.9K views on X

Shapeshift: a text box that becomes your tooli built a text box that turns into whatever(some ui) you type. powered by jevanish.548.6K views on X

jevgrep: focused research for coding agentsIntroducing jevgrep - a research agent CLI powered by jev from @typesafeai that reduces your coding agent cost by 40% (verified on SWE-bench) Make sure to use the built in skill so your coding agent knows to use jg for context collectionDavid20.8K views on X

jevopt: smarter compiler inliningCan Jev optimise the size of compiled binaries better than clang -Oz? Turns out it can (sometimes)! Introducing jevopt: making intelligent compiler optimisation decisions with Jev. I used Jev to make intelligent inlining decisions at each LLVM IR call-site. Here’s how I did it.Ramneet Singh1.1K views on X

Rolewise: match your resume to real jobsSpent some time testing #Jev from @typesafeai on a use case I care about: matching a resume against real job descriptions. I built a small demo called Rolewise. @metix_ai handles job retrieval; Jev handles the fit decision. The setup: - Parse the resume and generate editableZhilin Wang7K views on X

Superterminal: search your terminal naturallywhen I connect terminal with JevSonny6K views on X

Find a Rothko in a few wordsfinally tried Jev and made it search Mark Rothko’s paintings from a few wordsIbelick6K views on X

Find fonts from a feelingplaying with Jev to get font inspirationIbelick2.8K views on X

Turn a mood into a color palettemade a color palette generator using jev, because why not? given the input, jev returns probabilities over ten hue families, scores for warmth / light / energy, and a font pick. code maps that onto oklch and paints the page.fran1.7K views on X

ASIMOV: filter CLI output in plain EnglishThe latest @ASIMOV_Platform release lands a built-in `--jev=NOUL` output filter, enabling agentic harnesses such as Hermes to offload simple natural language postprocessing decisions to Jev, a System One model Look ma, here just casually turning my LinkedIn network into JSON-LDArto Bendiken5.9K views on X

Finta: bookkeeping with JevThe bookkeeping services industry is dead. This weekend, I built a better solution using Jev from @typesafeai. I fed it 34 months of work a firm charged $20,000+ for. Jev did a better job in 20 seconds, for just $0.32 🤯Andy115.8K views on X

Drape real-time virtual try-onjev is insane 🫣 it makes realtime virtual try-on hauls possible. built this experiment for Drape with @typesafeai > i talk > jev reads transcript + what i'm wearing > picks from my closet > changes my outfit in realtime cost: $0.0011 per decision time: ~620ms per decisionNailthy Tang≈ 419.1K views on X

Proq construction-plan classificationBuilt a construction plan-set classifier with Jev. Proq turns civil and building plan sets into bills of materials using an LLM pipeline we built on GPT-4.1. Jev classified an entire 26-sheet plan set in 2.9 seconds for $0.0052. It matched GPT-4.1 and GPT-6 Astra on 100% ofTrinay Hari1.6K views on X

Mario Never Diesokay Jev is an INSANE unlock, I just gave Mario a multiverse. built "Mario Never Dies" with @typesafeai's Jev + microsandbox Jev picks every move and every time Mario dies, we fork the entire VM into 4 timelines and try again. whichever Mario survives becomes canon. it is likeappcypher6.5K views on X

Jev boardIntroducing jev board, short for jevin keyboard. Fast, reliable models unlock much subtler experiences for building ambient intelligence into interfaces. A small exploration at the edges of GenUI. With done @typesafeai and @CompleteSkepticZahle Khan≈ 32.7K views on X

An audience of 100 personalitiesI used Jev to make an audience of 100 personalities to yap to. Each blob has its own personality and makes its own Jev call every time you talk to decide if it’s bored of you yet. Each round costs <$0.01 in credits. Really cool model from @typesafeai !amit1.5K views on X

Doom with branching futuresi got jev + an llm playing doom, with a twist: try several futures, then keep playing from the best outcome. jev picks the moves. a custom harness uses @microsandbox to run attempts in parallel from the same checkpoint. the llm reviews what happened and guides what to try next.toks5.1K views on X

Upweight for Hacker NewsI recently got access to jev from and built this, because I hated the hacker news front page. everyone gets the same stories in the same order. someone else already decided what matters, and it is never quite what matters to me so: six sliders. technical depth, drama, practicalVishesh Baghel≈ 32.8K views on X

Quiet marketing notifications on AndroidThe JEV model is so fast and its instruction execution is so powerful that I can accurately identify whether there are advertising or marketing messages in Android by listening to app notifications and SMS messages. Also, it doesn't delete any content; it just stops reminding youEthan7.6K views on X

Codenames with JevI tried out Jev. It's very very fast, and very very cheap. So cheap that you can embed it deeply into all kinds of consumer products where traditionally it wouldn't make sense!! E.g. games! Here's me playing codenames w/ Jev:Hugo Montenegro1.2K views on X

Jev plays Catanwanted to see what happens when a few Jevs play Catan so I forked...after a while the Jevs just refuse to negotiate with each other and end up doing nothing on their turns 😭 really fun model to play around with!! @typesafeai awesome idea to try jev with games @Vtrivedy10Sachin2.4K views on X

Ask JevAsk Jev anything. Give it a try at It won't answer. It will judge. Let's see if we can get to 1 million questions. @typesafeai 🤝 @convex work great together. @hmartenjoyer @CompleteSkeptic @justKDeng @mikeyseeWayne Sutton95.6K views on X

JevFormintroducing JevForm, a form that dynamically branches and chooses what to ask next usinng @typesafeai’s Jev in my life i’ve made hundreds of forms with crazy if/then logic. Jev solves it. built with @vercel json-render (by @ctatedev), so theoretically it can support anyTamir5.3K views on X

Jev SearchBuilt Jev Search -- free and open source, powered by @typesafeai Jev and @search1api_dev search API. Ask in plain language. Jev picks where to search and ranks what comes back. Try it now:

Jev Searchfatwang2208.5K views on X

On-demand UI flow captureI've wanted this for ages and it's finally possible now with Jev by @typesafeai Imagine Mobbin, but it grabs fresh flows for whatever you’re looking for Browser use has always been to slow to pull this off properly. Jev + browser use are insanely quick now 🫪 I had a lot ofomar ✌️≈ 48K views on X

Semantic spreadsheet formattingjev semantically formatting spreadsheet instantly should we put it in @tryshortcutai ?Robert Yang40K views on X

A faster browser agentBreaking: Browser Use + Jev = Ultrafast ⚡ Findings flights took 7s and cost only $0.0039 🤯 > new action space every step > DOM state space > small LLM fallback to type (this video is at 1x speed btw) Built a tiny open source browser agent. try it below ↓Gregor Zunic≈ 3M views on X