Jev Ultrafast GitHub is the search that leads to github.com/browser-use/jev-ultrafast, a free, MIT-licensed browser agent from Browser Use that clicks through websites for you using TypeSafe's Jev model.
It is a tool that does browser work, and it is not a new AI model you download.
That matters if you run a business, because the question you care about is not "where is the code?".
The question you care about is "what repetitive browser job can this take off my team?".
So I'll answer both.
I'll show you where the real repo is, what the tool does in plain English, what it costs to run, and seven ways a business, an agency or a creator could put it to work.
What Is Jev Ultrafast? The Plain-English Answer
Jev Ultrafast is a small open-source program that controls a Chrome browser for you.
You type one goal in normal English, and it clicks, types and scrolls until that goal is done.
The example in the project is a flight search.
The goal was to find one-way flights from Zurich to London on a set date, and the tool filled in the form and reached the results in about seven seconds.
Two different AI models share the work.
Jev, a decision model made by a company called TypeSafe AI, chooses what to click next.
A second, small writing model only wakes up when words need typing into a box.
That is the whole idea, and it is why the tool is quick and cheap to run.
Who Makes It, And Where The Jev Ultrafast GitHub Repo Is
The tool is made by Browser Use, a team already well known for open-source browser automation.
It is not made by TypeSafe, even though it uses TypeSafe's model.
The one official address is github.com/browser-use/jev-ultrafast.
Here are the facts I checked on GitHub on 11 October 2026.
| Question | Answer |
|---|---|
| Who owns the repo? | Browser Use owns it. |
| What is the licence? | It is MIT, which allows commercial use. |
| When was it created? | It was created on 16 September 2026. |
| How popular is it? | It had about 22,500 stars and about 1,650 forks when I looked. |
| Is it a finished product? | No, the README calls it an MVP and the version is 0.1.0. |
The MIT licence is good news for a business.
It means you can use the code, change it and build paid services on top of it without asking permission.
You simply keep the copyright notice in place.
The Problem It Solves For A Business
Most businesses have somebody doing the same browser task again and again.
Somebody is checking a supplier portal, running the same search, or filling in the same form with slightly different details.
Older browser agents can do this, but many of them are slow.
They take a screenshot, think about it, write out a plan and then click once.
Jev Ultrafast takes a different route.
It reads the page as a short numbered list of buttons and boxes, and Jev simply picks a number.
Picking from a list is faster than writing a paragraph, so each step takes a fraction of a second.
For a business, speed is not about showing off.
Speed is what makes it realistic to run the same task fifty times in a row.
What It Costs To Run
The code costs nothing.
The running costs come from the two AI models it calls.
| Cost | What I verified |
|---|---|
| The software | It is free under the MIT licence. |
| Jev decisions | TypeSafe lists Jev at $0.042 per million input tokens, and output is free. |
| The small writing model | OpenRouter lists Mercury 2.5 at $0.04 per million input tokens and $0.15 per million output tokens. |
| Your browser | It uses the Chrome you already have. |
Browser Use published the numbers for its recorded flight search.
That run sent 90,558 input tokens to TypeSafe, which is well under one cent at the listed price by my own maths.
The two writing-model calls in that run cost $0.00006272 according to the report.
I'm not going to turn those figures into a monthly bill for you, because your tasks are not their task.
Run your own job ten times and look at your own usage page before you plan a budget.
If you haven't got a Jev key yet, my guide to getting a free Jev API key lays out every door, and my post on the Jev waitlist covers access.
One warning matters here.
The Ultrafast code calls TypeSafe's own address directly, so you need a real TypeSafe key for it unless you change the code.
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7 Ways A Business Could Use Jev Ultrafast
These are ideas, not results.
I have read the code and the published measurements, but I have not run these seven jobs through Jev Ultrafast for a client.
I'm sharing them because they match what the tool is built to do, which is search, filter, navigate and read.
1. Repeat Searches On Travel And Booking Sites
This is the use the project itself demonstrates.
An assistant or a small travel team could give it a route and a date and let it reach the results page.
The built-in example stops at the results and does not book anything, and I would keep it that way.
2. Checking Supplier Or Competitor Pages
A fast agent can open a page, apply the same filters every morning and stop when the results are visible.
Your team then reads the answer instead of doing the clicking.
That is a small saving each time, and it adds up when the same check happens daily.
3. Search-And-Filter Research
The repo includes a local hotel test that searches a city, applies three filters and opens one property.
Any job with that same shape, such as property listings or a product catalogue, is a natural fit.
4. Opening The Right Page In A Knowledge Base
Another published check asked the agent to find and open a named Wikipedia article.
The same pattern works for an internal wiki or a help centre, where the goal is simply to land on the right page.
5. Website QA For Agencies
An agency could give it a goal like "open the contact page and confirm the form is visible".
Running that across client sites after every update is the kind of dull job that gets skipped when people are busy.
I'd treat this as a first check, and I'd still have a person look at anything that fails.
6. Repeat Form Filling
The agent can type into boxes, pick from dropdowns and click through steps.
That makes it a candidate for data entry into web tools that have no API.
I would start with a test account, because a wrong entry in a live system is expensive to clean up.
7. A Demo That Sells Your Automation Service
If you sell AI automation, a live seven-second browser run is a strong thing to show a prospect.
It makes the idea of an agent doing real work obvious in a way a slide never does.
Be honest in the demo about what is live and what is still a test.
If you're building that kind of service, my guide on how to start an AI agency covers the business side.
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How It Works Under The Bonnet
You don't need to code to understand this part.
Every time the page changes, the tool makes a fresh numbered list of everything you could interact with.
A line in that list might say that item 3 is the "Where to?" box and that it is empty.
Jev then answers two questions at once.
It says which action to take, and it says which numbered item to take it on.
There are eight possible actions.
| Action | Plain meaning |
|---|---|
| CLICK | It presses a button or a link. |
| TYPE_TEXT | It types words that the small writing model supplies. |
| SELECT | It chooses from a dropdown. |
| SCROLL_UP and SCROLL_DOWN | It moves the page. |
| WAIT | It pauses while the page loads. |
| DONE | It reports that the goal is finished. |
| BLOCKED | It reports that it is stuck. |
The README makes one safety point that business owners should like.
The AI can only pick from things that are really on the page.
Its answer never becomes code or a command, so it cannot invent an action that does not exist.
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How To Get It Running
If you have a technical person on the team, this is a short job for them.
Here are the steps from the official README.
- They copy the project from GitHub with
git clone https://github.com/browser-use/jev-ultrafast.git. - They move into the folder and run
uv syncto install it. - They copy the example settings file with
cp .env.example .env. - They add a TypeSafe key and a text-model key to that file.
- They start the demo with
uv run jev. - They open
http://127.0.0.1:8766and click Start demo, then Run automatically.
The project needs Python 3.12 or newer and Google Chrome.
Chrome will ask to allow remote debugging the first time, which is how the tool connects to it.
There is a Choose next button that pauses before every action.
I'd ask your team to use that mode first, so a human sees each step before it happens.
The Speed Claims, And Who Measured Them
Every speed figure here comes from Browser Use, not from me.
| Task they ran | Their time |
|---|---|
| Google Flights search, Zurich to London | 7.073 seconds |
| Open a named Wikipedia article | 2.798 seconds |
| Local hotel search with three filters | 1.896 seconds |
They also compared the old version of the tool with the new one across three pairs of runs.
The middle time dropped from 9.450 seconds to 7.092 seconds, which is a 25% cut.
What I like is how carefully they describe it.
They say it was one task on one Chrome profile, and that it is not a general reliability benchmark.
That honesty is rare, and it is a good sign about the team.
Risks A Business Owner Should Weigh
I would not hand this tool the keys to anything important on day one.
Here is why.
- The tool can say it is DONE when the job is not truly finished, so you need your own check on the result.
- It shares your existing Chrome profile, which means it can reach any site you are already logged into.
- It does not handle file uploads, pop-up tabs, frames or canvas-based pages in this version.
- It is version 0.1.0, so things will change and break.
- Every live run makes paid API calls, even though each one is small.
There is also a client-data question.
The text of the page you are on is sent to TypeSafe and to the writing-model provider.
So think carefully before you point it at a page that shows private customer details.
If keeping data in-house is your main concern, read my post on whether you can run Jev locally first.
What About The Cloud Version?
The README links to a Browser Use Cloud waitlist for ultrafast browser agents.
When I opened that page on 11 October 2026, it was titled "SUPERFAST mode" and said it is coming soon to Browser Use Cloud.
The form asks for an email, an optional note on what you would use it for, and a company website.
I could not find a price or a launch date on that page, so I'm not going to guess one.
If you don't have a developer, the cloud version is probably the one to wait for.
Watch Out For Lookalike Repos
A GitHub search for the name returned more than 50 repositories when I ran it.
Most are personal copies with no stars.
Some are honest community projects that clearly say they are unofficial, such as a version that runs decisions locally with Laya on a Mac.
I have not tested those, so I can't recommend them.
For a business the rule is easy.
Only give API keys to code from github.com/browser-use/jev-ultrafast, or to code your own developer has read.
My Honest Take For Business Owners
Jev Ultrafast is a glimpse of where browser automation is heading.
It is fast, the code is short enough to read, and the team is upfront about its limits.
It is also an early version that needs a developer and two API keys.
For most small businesses, the smart move is to pick one boring browser task and test it in a safe account.
If you want a wider view of where automation pays off, my breakdown of AI automation for small business is the next read.
Related Reading
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Also On Our Network
- 🌐 The step-by-step Jev Ultrafast setup for operators
- 🌐 Every Jev Ultrafast feature, scored
- 🌐 Where Jev Ultrafast fits in an Agent OS
- 🌐 Which models to pair with Jev Ultrafast
- 🌐 Ten things I built with Jev
FAQ: Jev Ultrafast For Business
What is Jev Ultrafast?
Jev Ultrafast is a free, open-source browser agent from Browser Use.
It uses TypeSafe's Jev model to choose each click and a small writing model to type text.
Where is the official Jev Ultrafast GitHub page?
The official page is github.com/browser-use/jev-ultrafast.
Other repositories with the same name are forks or unofficial community projects.
Can I use Jev Ultrafast commercially?
Yes, the MIT licence allows commercial use as long as you keep the copyright notice.
You still pay for the model calls it makes.
How much does Jev Ultrafast cost?
The software is free.
TypeSafe lists Jev at $0.042 per million input tokens with free output, and the small writing model is billed separately by its provider.
Do I need a developer to use it?
Yes, for now you need someone comfortable with a terminal, Python and API keys.
Browser Use has a waitlist for a cloud version, but the page lists no price or date yet.
Is it safe to use with client accounts?
I would not start there.
The tool shares your Chrome profile and sends page text to outside model providers, so test it in a separate profile with a test account first.
About Julian
I'm Julian Goldie, an AI entrepreneur, SEO expert, and founder of the AI Profit Boardroom, which has 3,400+ members.
I help business owners scale with AI agents, automation, and SEO.
- I have 400,000+ YouTube subscribers who watch my AI tool tests every week.
- I built a 7-figure agency from the ground up.
- I run daily AI training inside the Boardroom.
- I wrote two Amazon best-sellers on SEO and agency growth.
→ Get my best AI training inside the AI Profit Boardroom
So here is the short version for anyone running a business.
The code is free, the official home is browser-use/jev-ultrafast, and the best first step is one safe test task, which is everything you need to know about Jev Ultrafast GitHub.
