Yash Rahurikar
I'm the founder of 
PieceOfCode Labs and a product engineer at 
Tweeny. I build AI products end to end, and write about what I learn along the way. More about me.
Nands
Marian
DocsmithWriting
2026 September
- We taught a free, local model to make our AI's decisions as well as a paid API
September 30, 2026 — AI, Fine-tuning, Decision Models
- Where a decision model earns its place in an AI product (and where a regex still wins)
September 29, 2026 — AI, Decision Models, Product Engineering
- Jev tied our reranker. Then it did something a reranker can't.
September 28, 2026 — AI, RAG, Decision Models
2026 August
- Cognitive Debt: The Bill Nobody Is Tracking
August 10, 2026 — AI, Engineering Practice, Developer Experience
2026 July
- BM25: Complete Reference Summary
July 27, 2026 — Search, Information Retrieval, NLP
- Word2Vec: Complete Reference Summary
July 27, 2026 — NLP, Embeddings, Machine Learning