PromptLayer vs. Vulnify Comparison


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About The first platform built for prompt engineers. Log OpenAI requests, search usage history, track performance, and visually manage prompt templates. manage Never forget that one good prompt. GPT in prod, done right. Trusted by over 1,000 engineers to version prompts and monitor API usage. Start using your prompts in production. To get started, create an account by clicking “log in” on PromptLayer. Once logged in, click the button to create an API key and save this in a secure location. After making your first few requests, you should be able to see them in the PromptLayer dashboard! You can use PromptLayer with LangChain. LangChain is a popular Python library aimed at assisting in the development of LLM applications. It provides a lot of helpful features like chains, agents, and memory. Right now, the primary way to access PromptLayer is through our Python wrapper library that can be installed with pip.	About Vulnify is runtime authorization for AI agents. Before a sensitive tool call runs, your code calls check() and gets ALLOW, REVIEW or BLOCK, with a 0-100 risk score and the reasons: action, data sensitivity, destination, volume. REVIEW pauses only that action until a person approves. Start in monitor mode, fail closed by default. Policies as code, Node and Python SDKs (MIT) with LangChain, MCP, CrewAI and LangGraph adapters, and a hash-chained audit log with JSON/CSV export. Free plan available.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Prompt engineers seeking a platform to build, search for, track, and manage prompts	Audience Developers and security teams building AI agents that call tools
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Not Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos No images available
Pricing Free Free Version Supported Free Trial Not Supported	Pricing Free plan available Developer: $0/month for 2 agents, 10,000 evaluated events/month, and 7-day event history; no review queue. Team: $99/month for 10 agents and 250,000 events/month. Business: $499/month for 50 agents and 2,000,000 events/month. Prices are in USD, excluding taxes. No annual plan or overage charge. Enterprise pricing and limits are by contract. Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Not Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information PromptLayer United States promptlayer.com	Company Information Vulnify Brazil www.vulnify.io
Alternatives Langtail	Alternatives Netra
Lunary	Flint AI SandboxAQ
Maxim	LangChain
Literal AI	LangGraph LangChain
LangChain View All	Crewship View All
Categories Context Engineering Supported LLM Evaluation Supported Prompt Engineering Supported Prompt Management Supported	Categories AI Agent Security Supported

Integrations ChatGPT Supported CrewAI Not Supported Datamorf Supported Ellipsis Supported GPT-3 Supported GPT-3.5 Supported GPT-4 Supported GitHub Not Supported Jira Not Supported LangChain Not Supported LangGraph Not Supported LiteLLM Supported Model Context Protocol (MCP) Not Supported OpenAI Supported OpenAI Agents SDK Not Supported Slack Not Supported Vercel AI SDK Not Supported Workers by Delos Supported Show More Integrations View All 9 Integrations	Integrations ChatGPT Not Supported CrewAI Supported Datamorf Not Supported Ellipsis Not Supported GPT-3 Not Supported GPT-3.5 Not Supported GPT-4 Not Supported GitHub Supported Jira Supported LangChain Supported LangGraph Supported LiteLLM Not Supported Model Context Protocol (MCP) Supported OpenAI Not Supported OpenAI Agents SDK Supported Slack Supported Vercel AI SDK Supported Workers by Delos Not Supported Show More Integrations View All 9 Integrations
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