Quick Answer
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PromptLayer costs Free to $299 per month as of April 2026, with 3 plans available including a free tier. Plans: Free (free), Pro at $50/month, and Enterprise at $299/month. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

PromptLayer offers 3 pricing tiers: Free, Pro, Enterprise. A free plan is available. Paid plans include Pro at $50/month, Enterprise at $299/month. The Pro plan is growing teams.

Compared to other ai evaluation & guardrails software, PromptLayer is positioned at the mid-market price point.

How much does PromptLayer cost?

PromptLayer offers a free plan with 2 paid tiers from $50 to $299/month. Plans include Free (free), Pro at $50/month, Enterprise at $299/month.

PromptLayer Pricing Overview

PromptLayer has 3 pricing plans, including a free tier. Paid plans range from $0 to $299/month. The Free plan is free and is best for evaluation. The Pro plan costs $50/month, best for growing teams. The Enterprise plan costs $299/month, best for scaled production.

This pricing was last verified in April 23, 2026.

How PromptLayer Pricing Compares

Compare PromptLayer pricing against top alternatives in AI Evaluation & Guardrails.

All PromptLayer Plans & Pricing

Plan Monthly Annual Best For
Free Free Free Evaluation
Pro $50 /month $500 /year Growing teams
Enterprise $299 /month $2990 /year Scaled production
View all features by plan

Free

  • 5,000 requests/month
  • 1 user
  • 7-day log retention

Pro

  • 100K requests/month
  • 5 users
  • 30-day log retention
  • Prompt templates + A/B tests

Enterprise

  • 1M requests/month
  • Unlimited users
  • 90-day log retention
  • SSO

Compare PromptLayer vs Alternatives

Before committing to PromptLayer, compare pricing with these 3 alternatives in the same category.

All PromptLayer alternatives & migration guides

How PromptLayer Pricing Compares

Software Starting Price Top Price
PromptLayer Free $299/month
DeepEval (Confident AI) Free $1000/month
Guardrails AI Free $500/month
Lakera Free $1500/month
LangWatch Free $1000/month

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