Compare AI tools

	GitHub Copilot B	Perplexity S	Windsurf A	Sudowrite S
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	AI search done right. Cited answers, not chat theater.	Codeium's agentic IDE. Cascade agent + strong free tier.	AI writing tool built specifically for fiction writers.
Category	coding	research	coding	writing
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	Free + $20/mo Pro	Free + $15/mo Pro	$19-$59/mo
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Replacing Google for any question where you want a cited answer in seconds.	Developers who want Cursor-like power for less money.	Novelists, screenwriters, fiction short-form writers.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Cheaper than Cursor Cascade agent for multi-file tasks Solid free tier	Brainstorm, expand, rewrite modes designed for fiction Story Bible for character + plot tracking Understands voice + tone better than generic chatbots
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Not a general chatbot Answers can be shallow on complex topics	Smaller community Model selection more limited	Pricey for casual use Fiction-only focus — not for business writing
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.	A-tier. Close second to Cursor. If $5/mo matters, start here.	S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.
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