AI systems / Open source / Independent work
Hi, I'm Prawin Kumar let's build something.
Independent Work / Open Source
Powered by learning,
led by curiosity.
This portfolio documents the systems I choose to build in public: open-source software, released models, and technical experiments.
My client-facing engineering practice runs under VyapAI — private AI infrastructure, custom RAG architectures, LLM fine-tuning, and multi-agent systems for clients across sectors. What appears here is the open, inspectable side of that work.
- 01Domain constraints define the system.
- 02Deployment belongs in the architecture.
- 03Critical infrastructure should be ownable.
Selected Public Work · Open Source
- 01 Project Neev Open Source · Construction AI
- 02 CASCADE Public App · Computational Chemistry
- 03 Craft with AI Open Source · AI-Native Course
- 04 Sunny Legal Assistant Public Model · Legal AI
Two Paths · One Practice
Ready to
make it real?
Private AI infrastructure, RAG systems, LLM fine-tuning, and multi-agent builds for clients happen through VyapAI. Open-source collaboration and technical discussion start here.
Open Source · Public Project
Project Neev
AI-powered residential feasibility & cost estimation engine. Computer vision plot scanning, genetic algorithm floor plan optimization, ML cost prediction calibrated against CPWD DSR 2025, interactive 3D visualization. Covers 28 Indian cities.

Public App · Private Source
CASCADE
Browser-native molecular dynamics workspace — interactive 2D chemical sketcher, WebGL 3D conformer viewer, GNN/MLP atomic fluctuation predictor, ADME profiler, drug repurposing engine, and AI-powered PyMOL assistant.

Open Source · Educational Project
Craft with AI
A comprehensive, browser-first course that teaches the architecture of modern software engineering and AI systems. Designed for building alongside AI coding assistants — Cursor, Copilot, Gemini.

Public Model · Open Release
Sunny Legal Assistant
Domain-specialized 3B parameter LLM fine-tuned on 100,000+ Indian High Court & Supreme Court judgments and 1,000+ legislative Acts. Built on Llama-3.2-3B, quantized to GGUF for lightweight deployment.