PromptLayer

Platform for logging, versioning, and evaluating LLM prompts and prompt workflows.

Pricing: free, subscription, usage
Free tier: true
License: proprietary
Open source: No

Editorial review

PromptLayer has not yet been editorially reviewed. User reviews and published field data below are unaffected — we say so rather than implying an editorial verdict.

Facts & attributes

Every value carries its evidence state. “—” means unknown — never a silent default (P-02).

Identity · Taxonomy

Documentation(HTTPS URL): https://docs.promptlayer.comVerified
Tags(open-source;cloud-native): prompt management, LLM evaluation, observability, agent tracing, prompt CMSVerified

Platform · Deployment

Delivery model(SaaS;self-hosted;desktop;mobile;embedded;managed-cloud;appliance): SaaS, self-hostedVerified

Pricing · Licensing

Free plan(true/false): trueVerification pending
Free trial(true/false): falseVerification pending
License model(proprietary;open-source;source-available;dual-license): proprietaryVerification pending
Pricing model(free;subscription;usage;seat;asset;transaction;revenue-share;perpetual;custom): free, subscription, usageVerification pending
Starting price(29): 49Verified

Features · Product · Fit

Core capabilities(authoring;automation;analytics): Visual prompt registry and CMS with versioning, diffs, and rollback, Dataset-backed evaluations with human review and LLM-as-a-judge graders, A/B testing and regression tests triggered on prompt updates, Production observability connecting traces to prompt versions with cost, latency, and token tracking, Agent workflow building with tool-call inspectionVerification pending

Api · Integrations · Ecosystem

API available(true/false): trueVerification pending

Security · Privacy · Compliance

Regulatory compliance(HIPAA;PCI DSS;FedRAMP;GDPR support): HIPAA, GDPR, CCPAVerified
Security certifications(SOC 2 Type II;ISO 27001): SOC 2 Type 2Verified

Audience · Use · Case

Best for(Neutral editorial summary): AI teams putting prompt management, evaluations, and observability in one platform for engineers and domain expertsVerification pending
Company-size fit(individual;SMB;mid-market;enterprise): SMB, mid-market, enterpriseVerification pending
Primary use cases(build;monitor;automate): Letting non-technical domain experts iterate on prompts, E-commerce customer support automation, AI grading at classroom scale, Newsroom-ready AI agents, Debugging LLM agents in productionVerification pending
Skill level(beginner;intermediate;advanced;specialist): intermediateVerification pending

Vendor · Maintainer

Headquarters country(US): United StatesVerification pending
Vendor type(commercial;foundation;community;government;consortium;individual): commercialVerification pending

User reviews

Review policy

No published reviews yet.