Quick Answer
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PromptLayer costs Free to $299 per month as of April 2026. 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: No free tier available

Yes, PromptLayer offers a forever free plan as of April 2026. The free tier includes 3 features with limits on usage. Paid plans start at $50/month (Pro). Pricing verified from 1 sources by CostBench.

Forever Free

PromptLayer's free plan is available indefinitely with no time limit.

What's Included in the Free Plan

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

What's NOT Included (Paid Only)

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

You'll Need to Upgrade When...

  • You exceed the user limit
  • You need features like 100K requests/month or 5 users
  • You require premium support or SLA guarantees
  • You need to remove branding or watermarks
  • You need advanced integrations or API access

Hidden Restrictions on Free Plan

  • ! PromptLayer branding may appear on your content or communications
  • ! Support is limited to community forums or email with longer response times
  • ! Export options may be restricted or include watermarks
  • ! API access is typically limited or not available
  • ! Advanced reporting and analytics require paid plans

Free vs Paid: Which Do You Need?

Free Plan is Enough If...

  • You're an individual or very small team
  • You need only basic features
  • You don't mind usage limits
  • Branding on output is acceptable
  • Community support is sufficient

Free vs Pro Plan Comparison

Free $0
Features 3 included 4+ included
Support Community/Email Priority Support
Branding PromptLayer branding Your branding
Best For Evaluation Growing teams

Frequently Asked Questions

01 Is PromptLayer free?

Yes, PromptLayer offers a forever free plan with 3 core features included. However, there are limits on users and features that may require upgrading.

02 What's included in PromptLayer's free plan?

PromptLayer's free plan includes: 5,000 requests/month, 1 user, 7-day log retention. Key limits include basic usage caps.

03 What's NOT included in PromptLayer's free plan?

The free plan excludes: 100K requests/month, 5 users, 30-day log retention, Prompt templates + A/B tests. You'll also have PromptLayer branding and limited support options.

04 When should I upgrade from PromptLayer's free plan?

Consider upgrading when: you hit user or storage limits, need features like 100K requests/month or 5 users, require premium support, or want to remove branding. The cheapest paid plan starts at $50/month.

05 Is PromptLayer's free plan really free forever?

Yes, PromptLayer's free plan is available indefinitely with no time limit. However, feature and usage limits may restrict what you can do without upgrading to a paid plan.