Content creators in 2026 use AI to write scripts, generate images, edit videos, clone voices and schedule posts. ChatGPT and Claude are the go-to tools for writing scripts and captions. Midjourney and DALL-E generate thumbnails and visual content. ElevenLabs clones voices and creates audio content. Descript uses AI to edit video by editing text. CapCut has built AI tools directly into its video editor. Which AI tool is most useful for content creators in 2026?