Free
1 free run
+Try the core workflow once
+See how PromptOS compares prompts and outputs
Pricing
Choose the way you want to run prompts
Start free, bring your own provider key, or use PromptOS as an all-in-one workflow.
PromptOS — The operating system for AI workflows
Bring Your Own Key
Use your own OpenAI or Anthropic account
+Run prompts with your provider account
+Keep direct control over usage and billing
Pro
$9/month
+No API key required
+Multi-model comparison
+Prompt history + versions
+Fair usage