This is a curated English edition of a legacy Portuguese article originally published on 2025-05-16. It preserves the public argument and editorial intent while avoiding private details, operational state, or unsupported new claims.
Core idea
The article explores a pragmatic architecture: use a local model when privacy, cost, or availability matter, and an online model when quality or speed justifies the call.
The useful pattern is not tied to Excel alone. Hybrid AI systems should make the routing decision explicit, measurable, and understandable to the user.
Editorial note
This translation was prepared during the governed migration of the legacy blog into the GitHub Pages hub. Technical references may age; when the topic involves law, public policy, infrastructure, or model behavior, treat the article as educational context and verify current sources before acting.
Portuguese source article: /blog/construindo-um-chat-com-excel-hibrido-ollama-off-line-ou-gpt-4o-mini-on-line-velocidade-custo-e-codigo-em-um-so-lugar/.