Compare AI tools

	Lex A	Suno S	Sudowrite S	Perplexity S
Tagline	Google Docs with an AI collaborator baked in.	Prompt to full song with vocals, instruments, the works.	AI writing tool built specifically for fiction writers.	AI search done right. Cited answers, not chat theater.
Category	Writing	Audio	Writing	Research
Pricing	Free + $12/mo	Free + $10/mo + $30/mo	$19-$59/mo	Free + $20/mo Pro
Best for	Essays, long-form drafts, thinking on the page.	Jingles, intros, demos, sketches, personal use.	Novelists, screenwriters, fiction short-form writers.	Replacing Google for any question where you want a cited answer in seconds.
Strengths	Clean writing UX — distraction-free +++ prompt triggers AI help Collaboration + AI feedback together	Real songs with real lyrics v4 is very good Quick turnaround	Brainstorm, expand, rewrite modes designed for fiction Story Bible for character + plot tracking Understands voice + tone better than generic chatbots	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context
Weaknesses	Less feature-rich than Google Docs AI ceiling below dedicated tools	Copyright gray zone Audio quality behind studio	Pricey for casual use Fiction-only focus — not for business writing	Not a general chatbot Answers can be shallow on complex topics
Kai's verdict	A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.	S-tier in its category. The first AI music tool I'd actually listen to.	S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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