PromptLayer
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Introduction
PromptLayer is the prompt management platform for AI teams, offering prompt CMS, evals, and observability.
Listed on
July 23, 2026
What is PromptLayer?
PromptLayer is an AI engineering platform that combines a prompt registry and visual prompt CMS with LLM evaluations, observability, and agent tracing. Engineering teams use it to version, test, deploy, and monitor prompts, while domain experts can improve prompt behavior without editing application code.
How to use PromptLayer?
- To use PromptLayer, teams start by integrating the SDK or REST API to log LLM requests. They can then visually edit and version prompts in the dashboard, run evaluations against datasets, and deploy prompts to production with release labels. Observability features allow monitoring cost, latency, and traces, and CI/CD integration enables automated regression testing.
Core features of PromptLayer
- Visual prompt editor with versioning and rollback
- LLM evaluations with dataset-backed tests and human/AI graders
- Agent tracing and observability for production workflows
- Cost, latency, and token usage tracking
- A/B testing and historical backtests
- CI/CD integration with webhooks and release labels
- Role-based access control and deployment approvals (enterprise)
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