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    Custom GPTs vs plain chat

    Part 2 of ChatGPT product map. When a Custom GPT earns its keep versus plain chat: saved instructions, knowledge files, plan limits on creating GPTs, and why a…

    Custom GPTs vs plain chat
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    Claude Code: what it is for

    Part 2 of Claude product map. What Claude Code is for when you will touch a project: explore a repo, edit many files, run tests, and open PRs,…

    Claude Code: what it is for
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    DataFrames as tables

    A pandas DataFrame is just a table with rows, columns, and types you can inspect. Learn to load a CSV, check shape and dtypes, rename columns, and map…

    DataFrames as tables
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    Chat vs Work vs Codex

    Part 1 of ChatGPT product map. Plain English on Chat, Work, and Codex: what each mode is for, how usage differs, and a chooser you can use before…

    Chat vs Work vs Codex
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    Claude.ai chat vs everything else

    Part 1 of Claude product map. A plain-English tour of Claude chat versus Code, Cowork, Design, Science, and the API Console so you know which door to open…

    Claude.ai chat vs everything else