Blog
Mert Özen's blog posts on software development, backend, frontend, and DevOps.
Big Tasks with ChatGPT Work: File Analysis, Document/Deck/Sheet Creation, Scheduled Tasks and Dots
When you give ChatGPT Work a big task, write the outcome, the constraints and the verification criteria, and ask for the plan first; refine the file with annotations and check the numbers against the source. Subagents, document/deck/sheet previews, scheduled tasks triggered by time or app events, dots access and custom rules as of 15 November 2026, and Bookstore's third-quarter sales CSV with a table of correct answers.
Getting Started with ChatGPT in 2026: Chat, ChatGPT Work and Codex Modes, Surfaces and Plans
In ChatGPT, use Chat for questions and short drafts, ChatGPT Work for a reviewable file or a multi-step result, and Codex for code and tests; Work and Codex share the same usage limit and credits. Cloud and local work, the web, desktop, mobile and Slack/Teams surfaces, the Free, Go, Plus, Pro, Business and Enterprise plans as of 15 November 2026, feature maturity labels, and choosing a mode for the Bookstore team.