Emil Bergold
Co-Founder & CTO
Emil co-founded twigbit in 2016 and leads its engineering as CTO. He builds the systems behind twigbit's products — from web platforms to agentic AI workflows — with a focus on architectures that hold up in production. He is also CTO of 2zero, the climate-action platform spun out of twigbit.
Articles by Emil Bergold
RAG vs fine-tuning for SMEs: an engineering-economics guideRAG vs fine-tuning is the wrong fight — they solve different problems. What retrieval augmented generation actually costs, when fine-tuning an LLM earns its keep, and a worked cost example for a 10,000-document knowledge base, with current provider pricing.Shipping AI that survives productionWhy most AI features die between demo and production — and the engineering discipline that gets them across: LLM evaluation harnesses, LLM-as-judge calibration, observability and tracing, guardrails, and cost budgets. A field guide to eval-driven development and AI reliability.