Assistant · Vendor site 2026-10-04
PromptMage is an open-source Python framework for building multi-step LLM workflows with a local GUI, prompt playground, version control, and auto-generated FastAPI endpoints. It targets self-hosted teams that want to test, compare, and deploy prompt flows without scattering prompts across code.
Understand the total cost
Free
Free
Documentation is publicly available and the project is described as self-hosted open source; no paid SaaS tiers are listed on the site
No retained pricing changes yet. A current price alone does not establish a historical trend.
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Yes. PromptMage has an ongoing free plan. Documentation is publicly available and the project is described as self-hosted open source; no paid SaaS tiers are listed on the site
PromptMage is listed as free. No paid plan with a published price was found.
API or developer access is mentioned. Auto-generates a FastAPI-powered API for flows and documents remote backend usage for production deployments