PromptLayer

Web · Self-hosted · API · paid plans from $49/mo

Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

PromptLayer is ranked #10 of 29 in AI prompt generators on Freedom251. It runs on API, Self-hosted, Web. There is a free plan. Paid plans start at $49/mo.

PromptLayer plans and pricing

All plans

Free Free per month 5 users · 2.5k requests/month · 1 workspace · 250 eval cell executions/month · 10MB max per dataset promptlayer.com · 30 Sept 2026

Pro $49/mo per month 5 users · 2.5k+/month requests · unlimited workspaces and playgrounds · 150MB max per dataset · $0.003 per txn overage promptlayer.com · 30 Sept 2026

Team $500/mo per month 25 users · 100k+/month requests · 7.5k+/month eval cell executions · unlimited workspaces and playgrounds · 1GB max per dataset · $0.002 per txn overage promptlayer.com · 30 Sept 2026

Enterprise Not published Custom Custom limits · RBAC · deployment approvals · HIPAA with BAA · flexible hosting · dedicated support · data retention control promptlayer.com · 30 Sept 2026

Compared on AI prompt generators

Free plan: Yes
Paid from: $49/mo

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The record

Product: PromptLayer combines a prompt registry and visual prompt CMS with LLM evaluations, observability, and agent tracing.
Prompt management: Teams can visually edit, version, test, and deploy prompts without waiting for an application redeploy.
Collaboration: The visual workflow is designed to let domain experts and non-technical stakeholders edit prompts alongside engineers.
Evaluation: Evaluations can be triggered on new prompt versions, through the API, or ad hoc in the UI, and include historical backtests and side-by-side model comparisons.
Observability: PromptLayer tracks requests, traces, cost, latency, token usage, scores, and custom metadata, with OpenTelemetry span support.
Integrations: The OpenAI integration supports versioned prompts, release labels, request observability, evaluations, and model comparisons.
Security and compliance: PromptLayer states that it maintains SOC 2 Type 2, HIPAA, and GDPR compliance; its pricing FAQ also lists CCPA certification.
Hosting: Free, Pro, and Team are cloud-hosted in the US; Enterprise offers self-hosting on GCP, AWS, or Azure, EU cloud hosting, or cloud-hosted single tenancy.
Support: The pricing comparison lists basic support for Free, Pro, and Team, and dedicated support for Enterprise.
Notable limits: Free includes 10 prompts and 10 playground runs per day, while webhooks are available on Team and Enterprise plans.
Intended users: PromptLayer describes its platform as serving engineers and domain experts who build and improve AI products together.
Headquarters: New York City
Price from: $49/mo

Where it ranks on Freedom251

Best AI Prompt Generators in 2026#10 of 29
Best Prompt Management Software in 2026#8 of 26
Best AI Prompt Management Software in 2026#11 of 25
Best AI LLM Observability Tools in 2026#14 of 23

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Sources

promptlayer.com· checked 30 Sept 2026
promptlayer.com/prompt-management/· checked 30 Sept 2026
promptlayer.com/evaluations/· checked 30 Sept 2026
promptlayer.com/observability/· checked 30 Sept 2026
promptlayer.com/integrations/openai/· checked 30 Sept 2026
promptlayer.com/pricing/· checked 30 Sept 2026