What is PromptLayer
PromptLayer is a prompt management, evaluation, logging and agent-workflow platform for teams building LLM applications.
Plans
As of July 31, 2026, Free costs US$0 per month and includes five users, 2,500 monthly requests, one workspace, 250 monthly evaluation-cell executions, ten prompts and 10MB datasets. Pro costs US$49 per month, keeps five users and the base request allowance, and adds unlimited prompts, playground runs and workspaces, 150MB datasets, with extra usage at US$0.003 per transaction.
Team costs US$500 per month and includes 25 users, at least 100,000 monthly requests, 10,000 agent-node executions, at least 7,500 evaluation-cell executions, 1GB datasets, webhooks and overages at US$0.002 per transaction. Enterprise uses custom pricing and adds custom limits, RBAC, deployment approvals, SSO, HIPAA with BAA, retention controls, dedicated support and self-hosted or managed single-tenant deployment.
Usage notes
A transaction can represent a request, agent run or evaluation-cell run. Free, Pro and Team are hosted in the United States; Enterprise can add EU hosting or self-hosting on AWS, Azure or Google Cloud.
Official source: PromptLayer pricing.