Compare AI tools

	Jasper B	Cursor S	Runway S	Sudowrite S
Tagline	Marketing-first AI writing. Brand voice + campaign tools.	VS Code fork that made AI coding actually work.	The pro's AI video tool. Gen-4 is the current bar.	AI writing tool built specifically for fiction writers.
Category	Marketing	Coding	Video	Writing
Pricing	$49-$129/mo	Free + $20/mo Pro + $40/mo Business	Free + $15-$95/mo	$19-$59/mo
Best for	Marketing teams that need brand-consistent output at scale.	Developers. Non-developers who want to ship working code.	Marketing video, pitch decks, b-roll, creative shorts.	Novelists, screenwriters, fiction short-form writers.
Strengths	Brand voice memory + guidelines Templates for every marketing channel Team-grade content review	Tab completion feels like mind-reading Composer for multi-file edits Runs Claude, GPT, Gemini — you pick	Most mature video workflow Character consistency via Act-One Gen-4 quality is production-grade	Brainstorm, expand, rewrite modes designed for fiction Story Bible for character + plot tracking Understands voice + tone better than generic chatbots
Weaknesses	Pricey vs Claude/ChatGPT Less flexible than raw chatbot	Can feel overwhelming for non-coders Expensive at scale	Expensive at scale Still needs post-editing	Pricey for casual use Fiction-only focus — not for business writing
Kai's verdict	B-tier for individuals — Claude does this for less. A-tier for teams needing brand consistency.	S-tier for coding. If you write code of any kind, this pays back the $20 in a day.	S-tier. Market leader with reason. Start here for serious video.	S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.
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