About PromptVersions

The version-control layer
for AI prompts

PromptVersions is a platform built for engineers and teams who take prompt quality seriously — with versioning, evals, deployments, and a full API, all in one place.

Cofounder

Yash Jain

Python
Backend
AI
Yash Jain

Builder, engineer, and prompt enthusiast. I created PromptVersions because I kept losing track of which prompt changes actually improved results. This is the tool I wished existed.

Cofounder

Neha Gupta

React
Frontend
Fullstack
Neha Gupta

Frontend-focused fullstack developer and educator. Outside of PromptVersions, I teach AI development, full-stack engineering, and DSA to developers through practical, beginner-friendly guides and videos as @techbynehagupta.

Why I built this

The problem

Every AI project I worked on had the same issue — prompts lived in scattered files, Notion docs, or worse, just in someone's memory. Small tweaks would break things, and there was no way to know which version was actually deployed.

The insight

Prompts are code. They deserve the same treatment: version history, diffs, staged deployments, and automated evaluation. The tooling gap between software engineering and prompt engineering was huge.

The result

PromptVersions brings git-style versioning, A/B testing, eval metrics, and a deployment API to prompt management — so teams can ship better AI features with confidence.

What we believe

The principles behind every product decision.

Speed of thought

Prompt iteration should be instant. No sluggish pipelines, no waiting — just ideas turning into tested versions in seconds.

Precision by default

Every prompt change is tracked, versioned, and comparable. No more guessing which tweak made things better or worse.

Developer-first

Built for engineers who treat prompts like code — with diffs, deploys, API access, and CI-friendly evaluation.

Clarity over complexity

Powerful features should feel simple. We ruthlessly cut anything that adds friction without adding value.

Reliability matters

From offline sync to cold-start resilience, the tool needs to work when you need it — not just in ideal conditions.

Built in the open

Sharing learnings, writing about the journey, and building alongside the community is part of how we grow.

Ready to version your prompts?

Start free — bring your own API keys, no credit card required.