WEHAMD / Field notes
Engineering notes
Practical writing from WEHAMD (WeHamd Technologies Private Limited) on what actually works when you take AI/ML systems to production. No hype, no buzzword soup — just the patterns we use on real client engagements.
LLM engineering
Retrieval systems
Evaluation
The engineering library
Ideas to examine, not just ship.-
How Much Does a Custom LLM Fine-Tuning Project Cost? A Realistic 2026 Breakdown
An honest cost breakdown — data, compute, engineering, ongoing ops — plus the three project-size bands enterprise buyers actually see, and when fine-tuning is the wrong answer.
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RAG in Production: 7 Failure Modes We Fixed for Enterprise Clients (and How)
The seven mistakes that turn a beautiful RAG demo into a production-grade liability — and the architectural patterns that fix each one.
