Compare AI tools

	GitHub Copilot B	Claude Code S	Perplexity S	Khanmigo S
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	Anthropic's CLI agent. Opus-powered, operates on your repo directly.	AI search done right. Cited answers, not chat theater.	Khan Academy's AI tutor. Socratic method, built for learning.
Category	coding	coding	research	education
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	Part of Claude Pro/Max/Team plans	Free + $20/mo Pro	$4/mo (free for teachers)
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Developers who want an agent, not autocomplete. Large refactors, tests, docs.	Replacing Google for any question where you want a cited answer in seconds.	Students K-12. Parents helping with homework. Teachers prepping lessons.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	Runs locally, edits your actual files Strong on large codebases with 1M context Great at multi-step tasks	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Socratic — doesn't give answers, asks questions Trusted by schools + parents Integrated with Khan Academy curriculum
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Terminal-based — learning curve Can't be used without Claude subscription	Not a general chatbot Answers can be shallow on complex topics	K-12 focus (not deep for adults) Slower than general chatbots
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.	S-tier for kids learning. The tutoring UX is legit — not a generic chatbot dressed up.
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