Prompt Quality System

Make AI outputs
usable.

Pretty5 evaluates your prompts in real time, rewrites them for quality, and tracks every version. Reliable, reproducible, and always improving.

Scroll to explore
Step 1

Write your prompt,
see quality live

As you type, Pretty5 scores your prompt in real time against fixed quality criteria. See exactly where it is strong and where it can improve before you ever hit send.

prompt editor
Live Evaluation
48/100
Specificity14/25
Clarity10/25
Actionability8/25
Tone16/25
Original
Score: 45/100

Write a product description for a SaaS analytics dashboard that helps marketing teams track campaign performance across channels.

Improved
Score: 91/100

You are a senior SaaS copywriter. Write a 150-word product description for an analytics dashboard aimed at marketing directors. Emphasize cross-channel attribution, real-time ROI tracking, and ease of onboarding. Use a professional but approachable tone. Include one concrete metric.

Step 2

One winning rewrite,
not guesswork

Pretty5 rewrites your prompt internally and returns only the highest-scoring version. You get one improved prompt with specific, measurable enhancements baked in.

What Pretty5 Added
Added persona
Set word limit
Defined audience
Specified features
Set tone
Required evidence
4591
quality score improvement
Step 3

Deterministic evaluation

Every variation is scored against the same fixed rubric. Same input, same criteria, same weights: the result is always reproducible. No randomness. No bias. Pure math.

Fixed Scoring Rubric

C
Clarity
25% weight
P
Persuasion
30% weight
A
Accuracy
25% weight
T
Tone Match
20% weight

100% Reproducible

Same inputs always produce the same scores

Score Matrix

Prompt
C
P
A
T
Original
14
10
8
13
Rewrite 1
20
22
18
16
Rewrite 2*
23
27
23
18
Winner: Rewrite 291/100
total = (C * 0.25) + (P * 0.30) + (A * 0.25) + (T * 0.20)
Step 4

The best pick
rises to the top

The highest-scoring prompt version is selected automatically. No human bias, no guesswork. The winner is determined purely by the evaluation rubric.

Clarity
23
Persuasion
27
Accuracy
23
Tone Match
18
Rewrite 2
91/100

"You are a senior SaaS copywriter. Write a 150-word product description for an analytics dashboard aimed at marketing directors..."

Clarity: 23/25
Persuasion: 27/30
Accuracy: 23/25
Tone: 18/20
v3 (current)Just now
91/100

You are a senior SaaS copywriter. Write a 150-word product description for an analytics dashboard aimed at marketing directors. Emphasize cross-channel attribution, real-time ROI tracking, and ease of onboarding.

Active version
v22 min ago
76/100

Write a product description for a SaaS analytics dashboard aimed at marketing teams. Focus on cross-channel tracking and campaign performance.

v1 (original)5 min ago
45/100

Write a product description for a SaaS analytics dashboard that helps marketing teams track campaign performance across channels.

Step 5

Version, diff,
and track history

Every improvement is versioned automatically. Compare any two versions side-by-side with a clear diff view, track score progression over time, and roll back to any previous version instantly.

Auto VersioningSide-by-Side DiffFull History

Ready to make prompts reliable?

Start using Pretty5 to deliver usable AI outputs every time. Deterministic evaluation. No guesswork. Just results.