PQSPrompt Quality Score
HomeAccountGet API Key

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
  • Score only (0–40)
  • Rate limited
  • No API key required
Start free

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?

© 2026 OnChainIntel · Terms