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.
We ship 15 providers out of the box,
but you can also easily configure your own.
Compose structured prompts from text and data blocks and rapidly iterate through versions with block variants.
Configure custom evaluators to automatically validate completions against the specified requirements.
Organize dynamic context like user input or retrieved data into datasets and inject it into prompts via data blocks.
Organize prompts, datasets, and completions into projects and track relevant statistics on the dashboard.
Test your prompts with 150+ LLMs and experiment with model parameters for optimal results.
Define variables at project or prompt level to keep recurring details flexible and consistent.
Rate completion quality and visualize the results broken down by model and used variants.
Trace every change in your prompt-design workflow with detailed versioning and changelogs.
Estimate inference costs for completions based on different models, inputs, and configurations.
Sync changes to your prompt library in real-time with other devices and team members.
Export prompts and completions in .txt, .csv, .xlsx, or .json format.
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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?