PromptLayer

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

PromptLayer is ranked #7 of 29 in AI prompt generators on Inferse. It runs on API, Self-hosted, Web. There is a free plan. Paid plans start at $49/mo.

Compared on AI prompt generators

Free plan: Yespromptlayer.com
Paid from: $49/mopromptlayer.com

Facts

Product: PromptLayer combines a prompt registry and visual prompt CMS with LLM evaluations, observability, and agent tracing.promptlayer.com · 30 Sept 2026
Prompt management: Teams can visually edit, version, test, and deploy prompts without waiting for an application redeploy.promptlayer.com · 30 Sept 2026
Collaboration: The visual workflow is designed to let domain experts and non-technical stakeholders edit prompts alongside engineers.promptlayer.com · 30 Sept 2026
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.promptlayer.com · 30 Sept 2026
Observability: PromptLayer tracks requests, traces, cost, latency, token usage, scores, and custom metadata, with OpenTelemetry span support.promptlayer.com · 30 Sept 2026
Integrations: The OpenAI integration supports versioned prompts, release labels, request observability, evaluations, and model comparisons.promptlayer.com · 30 Sept 2026
Integrations: The LangChain integration exports traces through OpenTelemetry and supports cost and latency analytics, searchable metadata, and turning traces into evaluation datasets.promptlayer.com · 30 Sept 2026
Security and compliance: PromptLayer states that it maintains SOC 2 Type 2, HIPAA, and GDPR compliance; its pricing FAQ also lists CCPA certification.promptlayer.com · 30 Sept 2026
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.promptlayer.com · 30 Sept 2026
Support: The pricing comparison lists basic support for Free, Pro, and Team, and dedicated support for Enterprise.promptlayer.com · 30 Sept 2026
Notable limits: Free includes 10 prompts and 10 playground runs per day, while webhooks are available on Team and Enterprise plans.promptlayer.com · 30 Sept 2026
Intended users: PromptLayer describes its platform as serving engineers and domain experts who build and improve AI products together.promptlayer.com · 30 Sept 2026