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Mev AI by KaizenPrivate build

The AI that knows what to skip.

Mev plans every request before it runs. A clear question skips the spec. A small job skips the review. You pay for the steps that do the work, and nothing else.

One email when it opens. Nothing else.

Pre-seed round opening soon

Planner
Jev
Builders
Specialist models
Checks
Parse · Security
Tokens
up to −70%

Why it costs less

Most AI runs every request through the same long pipeline (spec, build, review) whether the job needs it or not. You pay for every step.

Mev asks first.

A hand plugging a patch cord into one socket of a vintage telephone switchboard
One socket. Only the call that needs to ring.

How it works

Jev plans. Models build. Code checks.

  1. 01

    Jev plans

    A planning model reads each request first: how clear it is, how big, what kind of work. Then it picks only the legs the job needs.

  2. 02

    Specialist models build

    Each leg goes to the model that’s best at it, with a fallback behind it, so one busy model never stalls the run.

  3. 03

    Code checks

    Plain code, not another model, checks the result: is it complete, does it parse. A weaker answer never replaces a better one. Switch on Security and it hunts for leaked keys too.

Watch Jev route

Same planner. A different route every time.

Pick a request. Jev reads it, then runs only the legs it needs.

mev — routerillustrative

1 of 3

Illustrative: Jev’s routing rules, simplified. The real route depends on the request.

The receipt

Same answer. Under a third of the tokens.

Tokens are what AI is billed by. On this request Jev saw the question was already clear, skipped the spec step, and went straight to the build.

Tokens

Without a planner2,992
Mev878

Time

Without a planner10.1 s
Mev2.9 s

Measured 24 Sep 2026 on one request from our test set: “what’s the difference between let and const in JavaScript?”. Results vary by task. On short one-line requests the planning step can cost more tokens than it saves.

Add-on · Security pass

Switch it on. Keys never ship.

An opt-in last leg. Code scans every answer for the leaks that are easy to check and costly to miss. A model fixes what the scan finds, a fix that leaks more is refused, and any live key still left is swapped for a placeholder before the answer leaves.

mev — security passexample run

const API_KEY = "sk_live_••••••••••••""YOUR_KEY_HERE";redacted before it ships

  1. No API keys, tokens or passwords in the code1 fixed
  2. No keys or passwords inside URLsclear
  3. No links to localhost, private networks or local filesclear
  4. Everything loads over httpsclear
  5. No eval, string timers or javascript: linksclear
  6. New-tab links can’t take over the pageclear

security: all 6 clear · 1 fixedThe checklist names the problem, never the key.

Safer, not guaranteed. It isn’t a penetration test: anything that handles payments or personal data still needs a human review.

A relay baton lying on an empty running track at night, the lane lines running toward the floodlights

Pre-seedOpening soon

The next leg.

Mev is a private build today, running on our own test bench. We’re opening a pre-seed round soon to take it from our bench to real teams.

Use it

Back it

Investors: tell us you’re interested and we’ll write when the round opens.

Register interest