Pricing
The quality gate for AI prompts. Pre-flight, pre-inference, pre-waste.
Free
Try PQS. No credit card, no commitment.
$0forever
- ✓100 scores / month
- ✓10 scores / day
- ✓5 scores per minute
- ✓Full 8-dimension scoring (0–80)
- ✓Rate limited
- ✓No API key required
Pro
For individual developers and power users.
$19.99per month
- ✓1,000 scores / month
- ✓100 scores / day
- ✓Full scoring (0–80, 8 dimensions)
- ✓Dimensional breakdown
- ✓Prompt optimization
- ✓Batch scoring (up to 5)
- ✓A/B comparison
- ✓API key access
Most popular
Team
For dev teams integrating PQS into production.
$99.99per month
- ✓10,000 scores / month
- ✓500 scores / day
- ✓Everything in Pro
- ✓Shared API key for teams
- ✓Priority rate limits
- ✓Email support
Business
For API providers, agent platforms, and companies shipping at scale.
$399.99per month
- ✓50,000 scores / month
- ✓3,000 scores / day
- ✓Everything in Team
- ✓Priority support
- ✓SLA available
- ✓Partner certification eligibility
- ✓Custom integration consultation
No subscription
Pay per call — $0.025 via USDC on Base
x402-native. For AI agents and occasional usage. No account, no commitment. Point your agent at PQS and it pays as it scores.
Get started with x402 →Existing customer?
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