--- title: "Promptmetheus: Prompt Engineering IDE" description: "Compose, test, and optimize prompts for your LLM-powered applications, agents, and workflows. Supports 100+ models, prompt versioning, automatic evaluations, and more." canonical_url: "https://promptmetheus.com/" meta: keywords: "Prompt IDE, Prompt Engineering, Prompt Testing, Prompt Optimization, AI Development" "og:description": "Compose, test, and optimize prompts for your LLM-powered applications, agents, and workflows. Supports 100+ models, prompt versioning, automatic evaluations, and more." "og:image": "https://promptmetheus.com/og-image.jpg" "og:title": "Promptmetheus: Prompt Engineering IDE" --- > Index of every page on this site: [llms.txt](https://promptmetheus.com/llms.txt) # Prompt
Engineering
IDE Compose reliable prompts for your AI automations, agents, and workflows. Test prompt performance with 150+ LLMs, or configure your own. Optimize prompts for output quality, robustness, cost, and speed. [Get Started Open the Prompt IDE](https://archery.promptmetheus.com/register "Open the Prompt IDE") Join 35k+ users or [watch demo](https://www.youtube.com/watch?v=8IwMGpN3b-s "Watch the Promptmetheus Prompt Engineering Demo on YouTube") to see how it works Requires a screen with 12" or larger. Your browser does not support the video tag. We ship 15 providers out of the box, but you can also easily configure your own. ## Prompt
Composition Compose structured prompts from text and data blocks and rapidly iterate through versions with block variants. ## Automatic
Evaluators Configure custom evaluators to automatically validate completions against the specified requirements. ## Test
Datasets Organize dynamic context like user input or retrieved data into datasets and inject it into prompts via data blocks. ## Additional Features ### Projects Organize prompts, datasets, and completions into projects and track relevant statistics on the dashboard. ### Model Catalog Test your prompts with 150+ LLMs and experiment with model parameters for optimal results. ### Prompt Variables Define variables at project or prompt level to keep recurring details flexible and consistent. ### Completion Ratings Rate completion quality and visualize the results broken down by model and used variants. ### Full Traceability Trace every change in your prompt-design workflow with detailed versioning and changelogs. ### Cost Calculation Estimate inference costs for completions based on different models, inputs, and configurations. ### Real-time Sync Sync changes to your prompt library in real-time with other devices and team members. ### Data Export Export prompts and completions in .txt, .csv, .xlsx, or .json format. “There will be two kinds of businesses at the end of this decade: those who are fully utilizing AI, and those who are out of business.” — Peter Diamandis ![Prometheus Steals Fire from the Gods](https://promptmetheus.com/img/prometheus-steals-fire.webp) Apps Agents Workflows Automations ## Models The right LLM for every use case ### [Anthropic](https://www.anthropic.com/ "Anthropic website") Claude 5.5 Haiku, Sonnect, Opus Claude 5.1 Fable Claude 5 Sonnet, Opus, Fable Claude 4.8 Opus ### [DeepMind](https://gemini.google.com "DeepMind website") Gemini 4 Argon Gemini 3.8 Flash Gemini 3.1 Flash-Lite, Pro ### [OpenAI](https://openai.com "OpenAI website") GPT-6.1 Sol GPT-6 Luna, Sol, Astra GPT-5.6 Luna, Terra, Sol GPT-5.5 Base, Pro GPT-5.4 Base, Mini, Nano ### [Mistral](https://mistral.ai "Mistral website") Mistral 4 Small, Large Mistral 3.5 Medium Ministral 3 3B, 8B, 14B Codestral ### [Perplexity](https://www.perplexity.ai/ "Perplexity website") Sonar Base, Pro, Reasoning Pro, Deep Research ### [xAI](https://x.ai "xAI website") Grok 4.7 Grok 4.6 Grok 4.3 ### [DeepSeek](https://deepseek.com "DeepSeek website") V4.1 Flash V4 Pro ### [Cohere](https://cohere.com/ "Cohere website") Command A+ Command A Base, Reasoning Command R Base, 7B, + Aya Expanse 8B, 32B ### [Groq](https://groq.com "Groq website") Compound Base, Mini OpenAI GPT-OSS 20B, 120B Meta Llama 3.1 8B, 3.3 70B ### [FetchAI](https://www.fetch.ai/ "FetchAI website") ASI:One Mini, Fast, Extended ### [OpenRouter](https://openrouter.ai "OpenRouter website") Meta Muse Wonder Meta Muse Spark Open Z.ai GLM-5.3 Moonshot AI Kimi K3 DeepSeek V4.1 Flash Anthropic Claude 5.5 Haiku, Sonnet, Opus OpenAI GPT-6.1 Sol And more... ### [AI21 Labs](https://www.ai21.com/ "AI21 Labs website") Jamba 2 Mini, 3B Jamba 1.7 Large ### [Venice](https://venice.ai "Venice website") Venice Uncensored 1.1, 1.2 Moonshot AI Kimi K3 Z.ai GLM-5.2 Alibaba Qwen 3 Instruct, Thinking xAI Grok 4.5 Anthropic Claude 5 Sonnet, Opus, Fable And more... ### [Moonshot AI](https://www.moonshot.ai/ "Moonshot AI website") Kimi K3 Kimi K2.6 Kimi K2.5 ### [Deep Infra](https://deepinfra.com "Deep Infra website") NVIDIA Nemotron 3 Nano Omni, Ultra MiniMax AI MiniMax M2 DeepSeek V4 Flash, Pro Moonshot AI Kimi K2.6 DeepMind Gemma 4 26B, 31B Meta Llama 4 Scout 17B 16e, Maverick 17B 128e And more... Custom Connect any model that is compatible with the [OpenAI API](https://developers.openai.com/api/docs "OpenAI API documentation") or [LiteLLM SDK](https://docs.litellm.ai/docs "LiteLLM SDK documentation"). ## Pricing Simple pricing for individuals and teams of all sizes ### Playground FREE - Forge - **1** user - Local data storage - OpenAI models - Stats & Insights - Data import / export - Community support [Open Open FORGE playground](https://forge.promptmetheus.com "Open FORGE playground") ### Single $29 / month 7-day free trial - Prompt IDE - **1** user - Cloud sync between devices - 15 providers and 150+ models - Multiple projects - Automatic evaluators - Prompt history and full traceability - Stats & Insights - Data export - Dedicated support [Get started Sign up for a Standard account](https://archery.promptmetheus.com "Sign up for a Standard account") ### Team $99 / month - Prompt IDE - **3** users included - $19/month per additional user - All **Single** features, plus - User management - Shared workspace with real-time collaboration - Business support Get in touch Secure payments powered by [Stripe](https://stripe.com "Stripe website"). Subscriptions do not include a budget for inference, you need to provide your own API keys. For Enterprise plans and special requests, please get in touch. What is Prompt Engineering? What is a Prompt IDE? How is Promptmetheus different from the playgrounds provided by OpenAI, Anthropic, etc.? How is Promptmetheus different from other prompt engineering tools? Is there an API or SDK? Can I build AI agents with Promptmetheus? Can I use Promptmetheus together with LangChain, LangFlow, and other AI agent builders? What is the difference between Forge and Archery? What is an AIPI? Does Promptmetheus integrate with automation tools like Make, Zapier, IFTTT, and n8n? ## FAQ If you have any other questions, please get in touch. [Ask via Email Send us an email](mailto:contact@promptmetheus.com "Send us an email") [Ask on Discord Join the Discord server](https://discord.com/invite/7dbUb9wtGj "Join the Discord server") ```json {"@context":"https://schema.org","@graph":[{"@id":"https://promptmetheus.com/#website","@type":"WebSite","description":"Compose, test, and optimize prompts for your LLM-powered applications, agents, and workflows. Supports 100+ models, prompt versioning, automatic evaluations, and more.","name":"Promptmetheus","url":"https://promptmetheus.com/","publisher":{"@id":"https://promptmetheus.com/#identity"}},{"@id":"https://promptmetheus.com/#webpage","description":"Compose, test, and optimize prompts for your LLM-powered applications, agents, and workflows. Supports 100+ models, prompt versioning, automatic evaluations, and more.","name":"Promptmetheus: Prompt Engineering IDE","url":"https://promptmetheus.com/","@type":["WebPage","FAQPage"],"about":{"@id":"https://promptmetheus.com/#identity"},"isPartOf":{"@id":"https://promptmetheus.com/#website"},"mainEntity":[{"@id":"https://promptmetheus.com/#/schema/question/1"},{"@id":"https://promptmetheus.com/#/schema/question/2"},{"@id":"https://promptmetheus.com/#/schema/question/3"},{"@id":"https://promptmetheus.com/#/schema/question/4"},{"@id":"https://promptmetheus.com/#/schema/question/5"},{"@id":"https://promptmetheus.com/#/schema/question/6"},{"@id":"https://promptmetheus.com/#/schema/question/7"},{"@id":"https://promptmetheus.com/#/schema/question/8"},{"@id":"https://promptmetheus.com/#/schema/question/9"},{"@id":"https://promptmetheus.com/#/schema/question/10"}],"potentialAction":[{"@type":"ReadAction","target":["https://promptmetheus.com/"]}],"primaryImageOfPage":{"@id":"https://promptmetheus.com/#logo"}},{"@id":"https://promptmetheus.com/#identity","@type":"Organization","name":"Promptmetheus","url":"https://promptmetheus.com","logo":{"@id":"https://promptmetheus.com/#logo"},"sameAs":["https://github.com/promptmetheus","https://discord.com/invite/7dbUb9wtGj","https://reddit.com/r/promptmetheus","https://x.com/PromptmetheusAI","https://youtube.com/@promptmetheus"]},{"@id":"https://promptmetheus.com/#/schema/question/1","@type":"Question","inLanguage":"en-US","name":"What is Prompt Engineering?","acceptedAnswer":{"@type":"Answer","text":"Prompt Engineering is the craft of designing, testing, and optimizing prompts (instructions) to obtain reliable and cost-efficient completions from Large Language Models.

Typically, the goal is to leverage the capabilities of Artificial Intelligence to automate tasks and workflows that are too dynamic and/or complex for conventional software applications and API architectures."}},{"@id":"https://promptmetheus.com/#/schema/question/2","@type":"Question","inLanguage":"en-US","name":"What is a Prompt IDE?","acceptedAnswer":{"@type":"Answer","text":"The term IDE stems from Software Engineering and stands for Integrated Development Environment.

A Prompt IDE is very similar to a Code IDE (e.g. VS Code, PyCharm, etc.), but for Prompt Engineering. It provides the tools and functionality to help users compose, test, and optimize reliable LLM prompts faster and more efficiently."}},{"@id":"https://promptmetheus.com/#/schema/question/3","@type":"Question","inLanguage":"en-US","name":"How is Promptmetheus different from the playgrounds provided by OpenAI, Anthropic, etc.?","acceptedAnswer":{"@type":"Answer","text":"Testing and evaluating complex LLM prompts can be tedious in simple playgrounds because they completely lack traceability and the necessary features to efficiently experiment with different prompt variations. Promptmetheus plugs those holes with pro-grade tooling to make designing, testing, and optimizing reliable prompts easy."}},{"@id":"https://promptmetheus.com/#/schema/question/4","@type":"Question","inLanguage":"en-US","name":"How is Promptmetheus different from other prompt engineering tools?","acceptedAnswer":{"@type":"Answer","text":"Promptmetheus focuses primarily on the optimization of prompts by breaking them down into sections (blocks). Users can easily re-arrange blocks and test different variations, all while keeping track of the changes, cost, and performance."}},{"@id":"https://promptmetheus.com/#/schema/question/5","@type":"Question","inLanguage":"en-US","name":"Is there an API or SDK?","acceptedAnswer":{"@type":"Answer","text":"Not yet, but there are plans for a REST API, as well as SDKs for Python, JavaScript, Rust, Swift, and other popular programming languages."}},{"@id":"https://promptmetheus.com/#/schema/question/6","@type":"Question","inLanguage":"en-US","name":"Can I build AI agents with Promptmetheus?","acceptedAnswer":{"@type":"Answer","text":"Yes, but you'll need additional tools and infrastructure to assemble and run your agents. Promptmetheus only helps with design, testing, and optimization of individual prompts."}},{"@id":"https://promptmetheus.com/#/schema/question/7","@type":"Question","inLanguage":"en-US","name":"Can I use Promptmetheus together with LangChain, LangFlow, and other AI agent builders?","acceptedAnswer":{"@type":"Answer","text":"Yes. LangChain, LangFlow, etc. are great for the development and deployment of AI agents, but they are not designed to optimize the performance of each individual prompt in the chain.

While working on your agent, you can take each prompt and optimize it with Promptmetheus for better performance and lower cost."}},{"@id":"https://promptmetheus.com/#/schema/question/8","@type":"Question","inLanguage":"en-US","name":"What is the difference between Forge and Archery?","acceptedAnswer":{"@type":"Answer","text":"The two platforms look similar but are completely separate and not connected. While Forge runs completely offline and stores data exclusively in your browser, Archery is cloud-native and has many additional features like device sync, full traceability, real-time collaboration, etc.

Forge is currently in maintenance mode and new features will only land in the Archery IDE."}},{"@id":"https://promptmetheus.com/#/schema/question/9","@type":"Question","inLanguage":"en-US","name":"What is an AIPI?","acceptedAnswer":{"@type":"Answer","text":"An AI Programming Interface (AIPI) is similar to a conventional API, but instead of executing static code on a server, its endpoints mediate interactions with Large Language Models (LLMs) via hosted prompts."}},{"@id":"https://promptmetheus.com/#/schema/question/10","@type":"Question","inLanguage":"en-US","name":"Does Promptmetheus integrate with automation tools like Make, Zapier, IFTTT, and n8n?","acceptedAnswer":{"@type":"Answer","text":"Not directly. Official integrations for Make, Zapier, IFTTT, n8n, etc. are on the roadmap, but for now you'll have to copy prompts into your automation tool manually after optimizing and testing them with Promptmetheus."}},{"@id":"https://promptmetheus.com/#/schema/software-application/1","@type":"SoftwareApplication","applicationCategory":"DeveloperApplication","applicationSubCategory":"Prompt Engineering","description":"Compose, test, and optimize prompts for your LLM-powered applications, agents, and workflows. Supports 100+ models, prompt versioning, automatic evaluations, and more.","inLanguage":"en-US","isAccessibleForFree":true,"name":"Promptmetheus Forge Playground","operatingSystem":"Windows, macOS, Linux","url":"https://forge.promptmetheus.com","featureList":["Prompt Composition","Prompt Variables","LLM Catalog","Test Datasets","Completion Ratings","Inference Cost Estimation","Data Import/Export"],"image":{"@id":"https://promptmetheus.com/#/schema/image/1"},"offers":{"@type":"Offer","availability":"https://schema.org/InStock","price":0,"priceCurrency":"USD","url":"https://forge.promptmetheus.com","priceValidUntil":"2027-12-30T00:00:00.000Z"},"publisher":{"@id":"https://promptmetheus.com/#identity"}},{"@id":"https://promptmetheus.com/#/schema/software-application/2","@type":"SoftwareApplication","applicationCategory":"DeveloperApplication","applicationSubCategory":"Prompt Engineering","description":"Compose, test, and optimize prompts for your LLM-powered applications, agents, and workflows. Supports 100+ models, prompt versioning, automatic evaluations, and more.","inLanguage":"en-US","isAccessibleForFree":false,"name":"Promptmetheus Prompt IDE","operatingSystem":"Windows, macOS, Linux","url":"https://archery.promptmetheus.com","featureList":["Prompt Composition","Prompt Variables","Prompt Evaluators","LLM Catalog","Test Datasets","Completion Ratings","Inference Cost Estimation","Full Traceability","Real-time Sync","Data Export"],"image":{"@id":"https://promptmetheus.com/#/schema/image/2"},"offers":[{"@type":"Offer","availability":"https://schema.org/InStock","name":"Single","price":29,"priceCurrency":"USD","url":"https://archery.promptmetheus.com","priceValidUntil":"2027-12-30T00:00:00.000Z"},{"@type":"Offer","availability":"https://schema.org/InStock","name":"Team","price":99,"priceCurrency":"USD","url":"https://archery.promptmetheus.com","priceValidUntil":"2027-12-30T00:00:00.000Z"}],"publisher":{"@id":"https://promptmetheus.com/#identity"},"screenshot":["https://promptmetheus.com/img/preview/preview-v5-dashboard-dark.jpg","https://promptmetheus.com/img/preview/preview-v5-prompt-dark.jpg"]},{"@id":"https://promptmetheus.com/#logo","@type":"ImageObject","caption":"Promptmetheus","contentUrl":"https://promptmetheus.com/icon.png","inLanguage":"en-US","url":"https://promptmetheus.com/icon.png"},{"@id":"https://promptmetheus.com/#/schema/image/1","@type":"ImageObject","contentUrl":"https://promptmetheus.com/og-image.jpg","inLanguage":"en-US","url":"https://promptmetheus.com/og-image.jpg"},{"@id":"https://promptmetheus.com/#/schema/image/2","@type":"ImageObject","contentUrl":"https://promptmetheus.com/og-image.jpg","inLanguage":"en-US","url":"https://promptmetheus.com/og-image.jpg"}]} ``` ## Sitemap See the full [sitemap](https://promptmetheus.com/sitemap.md) for all pages.