Prompty
Manage and evaluate AI prompts for your applications easily.
Pricing
Free tier
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is Prompty?
Prompty is a tool designed to simplify the creation, management, debugging, and evaluation of LLM prompts. It enhances observability, understandability, and portability for developers working with AI applications.
Key differentiator
“Prompty stands out as an open-source tool specifically designed for managing, debugging, and evaluating LLM prompts, offering enhanced observability and portability.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
API requires Python-specific patterns, TypeScript SDK is community-maintained
v0.1 to v0.2 migration required rewriting chain definitions
Primary language is Python, and official support for other languages is lacking
GitHub repository has a small number of contributors and issues are not addressed promptly
Fit analysis
Who is it for?
✓ Best for
Teams working on AI applications who need to manage complex prompts
Developers looking for enhanced observability in their LLM workflows
Projects requiring high portability of prompts across different environments
✕ Not a fit for
Users seeking a fully managed service without self-hosting requirements
Projects that do not require detailed prompt management and evaluation capabilities
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Alternatives
Works well with
Next step
Get Started with Prompty
Step-by-step setup guide with code examples and common gotchas.