Platform for Prompt Engineers

What is PromptLayer and what benefits does it provide?
PromptLayer is your workbench for AI engineering. It lets you version, test, and monitor prompts with robust evals, tracing, and regression sets. The platform provides a visual prompt editor, prompt management, and a Prompt Registry to store and deploy prompts. It enables collaboration with non-technical stakeholders, reading logs to identify edge cases, and evaluating prompts against usage history, model comparisons, and regression tests—helping teams improve prompts without bottlenecking engineers.
How does PromptLayer support collaboration across teams, including non-technical stakeholders?
PromptLayer offers a no-code prompt editor and a CMS that lets product, marketing, and content teams edit and deploy prompt versions directly. Non-technical domain experts can collaborate via the Prompt Registry, share prompt iterations, and read observability logs to identify edge cases, reducing dependence on engineers and speeding up prompt iterations.
What capabilities does PromptLayer offer for evaluating prompts and models?
PromptLayer lets you:
- Evaluate prompts against usage history
- Compare different models
- Schedule regression tests
- Run one-off batch evaluation jobs
- Use historical backtests to see how new prompt versions perform against past data
These capabilities help you rigorously test prompts before deployment and improve reliability.
How are prompts versioned and deployed in PromptLayer?
You can:
- Version prompts and organize them with notes
- Edit and deploy prompt versions visually from the dashboard (no coding required)
- Publish new prompts interactively for production and development environments
- Clean up and manage prompts to avoid scattered code changes
- Run A/B tests to compare prompt versions and metrics
- Use the Prompt Deployer to generate endpoint URLs for prompts and monitor usage from the dashboard
How can I monitor usage and performance in PromptLayer?
PromptLayer provides:
- Usage monitoring to understand who is using prompts and how often
- Cost and latency statistics
- Latency trends by feature and model
- Quick access to execution logs for a given user
These features help you detect issues and optimize performance without switching between tools.
What are the pricing plans and what do they include?
PromptLayer offers:
- Free plan: logs stored for 7 days, up to 1,000 requests
- Individual plan: $19 per month, logs 7 days, up to 10,000 requests, email support
- Startup plan: $59 per month, logs 30 days, up to 100,000 requests, email and chat support
You can cancel or modify your plan anytime. Start for free to try the platform.
Is PromptLayer secure and compliant with industry standards?
Yes. PromptLayer emphasizes privacy and security and is SOC 2 Type 2 compliant. It is HIPAA compliant, and the Privacy Policy outlines data handling and protections.
What customer case studies demonstrate PromptLayer's impact?
Prominent examples include:
- Gorgias: Scaled customer support automation 20x with LLMs and an autonomous prompt engineering team
- Speak: Enabled non-technical teams to iterate on AI features, saving engineering time and launching in 10 new markets
- ParentLab: Personalised AI interactions 10x faster with substantial engineering time savings
- NoRedInk: Used PromptLayer Evals to deliver 1M+ trustworthy student grades across districts
- Midpage: Legal AI evaluation pipelines to reduce regressions for hundreds of lawyers
- Magid: Enterprise AI agents for content creation with high journalist adoption
What do customers say about PromptLayer?
Quotes from users include:
- “PromptLayer empowers non-technical teams to iterate on prompts and address edge cases without burdening engineers.”
- “We can rapidly iterate on prompts, find the right tone, and improve prompts without changing code.”
- “PromptLayer helps us test and compare multiple prompts and models to ensure trustworthy outputs at scale.”
- “The evals and observability are a game-changer for catching issues before they reach end users.”
How do I get started with PromptLayer?
You can start for free by signing up on the platform. Explore the visual editor, prompt registry, and evaluation features to begin building and testing prompts right away. If you need guidance, check the available docs and tutorials.











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