Compare AI tools

	Cursor S	Windsurf A	Genspark A	Cline A
Tagline	VS Code fork that made AI coding actually work.	Codeium's agentic IDE. Cascade agent + strong free tier.	AI agent for deep search. Generates Sparkpages — full mini-reports.	Open-source VS Code agent. Reads + writes + runs.
Category	coding	coding	research	coding
Pricing	Free + $20/mo Pro + $40/mo Business	Free + $15/mo Pro	Free + $25/mo Plus	Free (open source) + your API costs
Best for	Developers. Non-developers who want to ship working code.	Developers who want Cursor-like power for less money.	Travel planning, shopping comparisons, deep research where you want an artifact back.	VS Code users who want agentic coding without changing IDEs.
Strengths	Tab completion feels like mind-reading Composer for multi-file edits Runs Claude, GPT, Gemini — you pick	Cheaper than Cursor Cascade agent for multi-file tasks Solid free tier	Sparkpages = curated multi-source mini-articles Agent can book, compare, shop Autopilot agent for long tasks	Free extension for VS Code Plan + Act modes Model-agnostic (Claude, GPT, local) Sees terminal output and iterates
Weaknesses	Can feel overwhelming for non-coders Expensive at scale	Smaller community Model selection more limited	Early-stage — rough edges Less reliable than Perplexity for simple questions	Can burn tokens fast if not watched Less polished than Cursor
Kai's verdict	S-tier for coding. If you write code of any kind, this pays back the $20 in a day.	A-tier. Close second to Cursor. If $5/mo matters, start here.	A-tier. Bet on this one — the Sparkpage format is genuinely new.	A-tier. Best free agentic option in VS Code. Use with Claude for best results.
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