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PromptLayer
Description
Summary Collaboration layer for AI engineering teams, combining prompt CMS, eval harness and observability stack for prompts, LLM apps and agents.
Description PromptLayer helps teams version, test and manage prompts, run evaluations, monitor LLM usage, and collaborate with domain experts on AI-agent/application behavior.
Positioning Prompt CMS, eval harness and observability stack for AI engineering teams
Key facts
HQ location Unknown
Company type Private
Pricing model subscription, usage based
Last updated Jun 21, 2026
Financials
Revenue estimate Unknown
Valuation estimate Unknown
Investments Unknown
Relationships
Target customers AI engineering teams, domain experts and developers building LLM applications and agents
Key competitors LangSmith, Humanloop, Langfuse, Helicone, Braintrust, Galileo
Known customers Magid case study mentioned on official site
Segments & Industries
Segments AI Workflows, AI Agents, AI Developer Tools, Knowledge & RAG, LLM Deployment, AI Quality & Observability, AI Governance & Risk, Chatbots, Analytics & BI
Company links & status
Company URL promptlayer.com
LinkedIn URL —
Status Active
Data source Research Team Data