Which AI tool should I use?

Best for Vibe CodingCursor, Claude Code, Codex, Copilot, and Replit for describing a change, then reviewing the diff.Best for VideoVideo generators ranked for a shot you might actually cut, not a three-second demo.Best Agent Buildern8n, LangGraph, Dust, CrewAI, and Relevance AI ranked for workflows someone else has to run.Best for WritingModels and editors for a draft, a rewrite, and the last pass on prose.Best for ImagesImage models ranked for taste, following a fussy prompt, and getting the words right.Best for ResearchTools that answer with sources, papers, or a pile of files you already have.