PromptLayer
by PromptLayerVersion control for prompts — track, test, and deploy prompt changes like you deploy code
Prompt versioning, A/B testing, request logging, evaluation, analytics, team collaboration
Last updated: March 29, 2026 · Pricing verified from official sources. Prices are subject to change by the provider.
Pricing
Price stable
Free TierYes — 1K requests/mo
Entry Plan$29/mo Pro
Team Plan—
EnterpriseCustom pricing
API PricingSDK (Python/JS)
See full API pricing & compare models →Prices exclude applicable taxes (VAT/GST/sales tax varies by region). Monthly prices shown — annual plans typically save 15-20%.
Specifications
Context / Input—
Max OutputPrompt versions, analytics
ModalitiesText
Agent / AgenticNo
SecurityBasic
Self-hostedNo
PromptLayer — Who Is It Best For?
Prompt engineering, LLM app development, A/B testing
Ideal for:DevelopersFounders
✅ Strengths
• Free tier available
• Competitive pricing ($29/mo)
• Prompt versioning
💭 Consider
• Cloud-only (no self-hosting)
• Limited security certifications
• Enterprise plan may be required for teams
💡 Budget tip: Start with PromptLayer's free tier to test it. Paid plans start at $29/mo. For a free alternative, check out LangSmith.
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Frequently Asked Questions
How much does PromptLayer cost?
PromptLayer offers a free tier. Paid plans start at $29/month. Enterprise pricing is available on request.
Is PromptLayer free?
Yes, PromptLayer offers a free tier with limited features. For full access, paid plans start at $29/month.
What is PromptLayer best for?
PromptLayer is best for Prompt engineering, LLM app development, A/B testing. Key features include: Prompt versioning, A/B testing, request logging, evaluation, analytics, team collaboration.
Is PromptLayer right for you?
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AiToolsMentor.com · Pricing verified March 29, 2026 · AI Tools Mentor Fit Score