Use-case stack · makers, side-hustle

Data analysis & BOMs

Cost models, experiment tables, and “why is this column weird?” loops with sheets or notebooks.

System of record stays in Sheets/CSV/notebook. LLM writes formulas and cleanup scripts; you verify on sample rows.

Preferred / primary

Hybrid Research

Spreadsheet as system of record; LLM helps formulas, cleanup, and explanations.

In this stack: BOM and cost models in a sheet everyone can open.

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Hybrid Research

Serious data analysis: notebooks for truth, LLM for boilerplate and explanation.

In this stack: When you need plots and repeatable cleanup.

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Web LLM / chat

OpenAI’s mainstream chat + tools product for writing, code, and analysis.

In this stack: Formula help and pivot explanations.

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Web LLM / chat

Anthropic models strong at long-context writing, code review, and careful analysis.

In this stack: Careful multi-step data cleaning plans.

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Web LLM / chat

Strong cost/performance chat and coding models popular for technical work.

In this stack: Budget coding help for analysis scripts.

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Web Research

Answer engine oriented around cited web research.

In this stack: Price/source research — still verify URLs.

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Stacks are editorial starting points — swap tools when policy, budget, or hardware demands it.