Live App Lab Project
Lightweight LLM evaluation for small teams and individuals. Compare AI model providers, create custom graders, and run automated evaluations.
Get Started on SparkEval ↗What SparkEval Does
Everything you need to evaluate and compare LLM performance — without the enterprise complexity.
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Compare Providers
Side-by-side comparison of AI model providers. See how GPT-4, Claude, Gemini, and others stack up on your data.
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Custom Graders
Define your own evaluation criteria. Score on accuracy, tone, format, or any custom metric that matters.
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Automated Evals
Schedule recurring evaluations. Track model performance over time and catch regressions early.
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Dataset Testing
Upload your test datasets and run evaluations at scale. Batch testing for systematic quality assurance.
Pricing
Start free, upgrade when you need more. No credit card required.
Free
$0 /forever
- Custom Graders 10
- File Uploads 50
- Dataset Test Problems 100
- Automated Evals/mo 50
- Export as JSON —
Basic
$10 /month
- Custom Graders 50
- File Uploads 250
- Dataset Test Problems 500
- Automated Evals/mo 100
- Export as JSON —
Most Popular
Pro
$25 /month
- Custom Graders Unlimited
- File Uploads Unlimited
- Dataset Test Problems Unlimited
- Automated Evals/mo Unlimited
- Export as JSON ✓