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Brand voice check

Hold AI-written copy to your brand guidelines, including the words you never use.

Paste your voice guidelines once, then score every AI draft against them: on voice or not, banned words and claims (quoted), unexplained jargon and readability.

Use this judgeCustomize it

Try it live

Real calls to Jev. Pick an example or paste your own.

Examples
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No verdict yet

Pick an example or paste your own input, then run it.

Under the hood

Every question and rule, in the open. Fork it to change any of them.

What it asks

Reads guidelines and text, then asks 4 questions in one call.

  1. Q1On voiceScore

    How well does the text follow the voice described in guidelines?

    1. 0Clashes with it
    2. 1Partly on voice
    3. 2On voice
    4. 3Unmistakably on voice
  2. Q2Uses banned words or claimsYes / no quotes evidence

    Does the text use a word, phrase or claim that the guidelines say to avoid?

  3. Q3Unexplained jargonYes / no

    Does the text use jargon a first-time customer wouldn't understand, without explaining it?

  4. Q4ReadabilityScore

    How easy is the text to read?

    1. 0Hard: long, dense sentences
    2. 1Moderate
    3. 2Easy: short, plain sentences

How it decides

Rules run in code, top to bottom. The first one that matches gives the verdict.

  1. 1
    If Uses banned words or claims ≥ 0.7Off brand
  2. 2
    If On voice < 1 of 3Off brand
  3. 3
    If On voice < 1.8 of 3Revise
  4. 4
    If Unexplained jargon ≥ 0.6Revise
  5. 5
    If Readability < 0.8 of 2Revise
  6. ·
    DefaultOn brand

Call it from your code

Every template runs as-is with an API key, no setup: POST /api/v1/judges/brand-voice-check/run.

curl -X POST https://tryevally.com/api/v1/judges/brand-voice-check/run \  -H "Authorization: Bearer $EVALLY_API_KEY" \  -H "Content-Type: application/json" \  -d '{  "input": {    "guidelines": "We sound like a helpful friend who knows their stuff. Plain words, short sentences. Never say '\''revolutionary'\'', '\''synergy'\'', '\''best-in-class'\'' or '\''leverage'\''. No exclamation marks.",    "text": "Leverage our revolutionary, best-in-class platform to unlock synergy across your entire organization!"  }}'

Seen in the wild

Community builds on Jev that use this pattern. Not affiliated with Evally.

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