Claude for writing is strongest when you use it to structure, tighten, and rethink long-form content rather than ask for a finished draft from nothing.
Claude Code is most compelling when developers want an assistant that can reason through code changes carefully rather than just autocomplete snippets.
Claude Opus 4.7 matters because it sharpens long-form reasoning, structured writing, and analytical workflow quality for users who need depth over novelty.
ChatGPT and Perplexity solve different research problems: one is stronger for synthesis and workflow, the other is stronger for fast citation-first retrieval.
