Lightning Fast Evaluation

AI Prompt Testing
for Domain Experts

Evaluate LLM outputs at scale. Test 30 prompts in 5 minutes with batch evaluation and expert judgment.

Free forever · No credit card · 5-minute setup

evaluation.sageloop
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3 failures detected
Pattern identified
The Problem

AI models don’t know your domain.
You do.

Early-stage AI products need domain experts reviewing outputs. But testing one at a time? That’s the bottleneck.

How It Works

Three steps.
Lightning fast.

1

Add scenarios

Paste your test inputs. No config files, no setup. Just scenarios.

Takes 30 seconds
2

Rate outputs

Press 1-5 to rate. That’s it. Keyboard shortcuts make it lightning fast.

5 minutes for 30 outputs
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1-5to rate
3

See patterns

Failures jump out. Get concrete fixes. Retest only what failed.

Instant visual clarity
3 failures, same pattern
85%
Faster than manual
5 min
For 30 outputs
0
Code required

Built for expert judgment

You bring the domain expertise. We make it fast to apply it.

See Patterns Humans Spot

View 30 outputs at once. Your pattern recognition beats any automated analysis.

Judge at Keyboard Speed

Press 1-5 to rate quality. Apply your expertise without the friction.

Domain-Specific Fixes

Get concrete improvements for your use case, not generic advice.

Your expertise.
Lightning fast.

Join PMs who evaluate AI outputs at the speed of thought

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No credit card · 5-minute setup · Free forever