Quick Answer
Claude leads for prose and storytelling. ChatGPT is strongest for multimodal creative work with DALL-E.
Detailed Answer
Claude consistently produces the most literary, nuanced creative writing with natural voice and emotional depth. ChatGPT combined with DALL-E offers the broadest creative toolkit spanning text, images, and code art. Grok takes a more irreverent, humorous creative approach. For brainstorming and ideation, comparing outputs from multiple AIs via Council gives you the widest range of creative perspectives.
Find Your Own Answer
The best way to decide is to try them yourself. Council lets you compare multiple AI responses to the same question.