Compare AI tools

	Devin A	Claude Code S	Perplexity S	Gemini A
Tagline	Cognition Labs' autonomous coding engineer.	Anthropic's CLI agent. Opus-powered, operates on your repo directly.	AI search done right. Cited answers, not chat theater.	Google's answer. Best integrated with Workspace + free for a lot.
Category	agents	coding	research	chat
Pricing	$500/mo	Part of Claude Pro/Max/Team plans	Free + $20/mo Pro	Free + $20/mo Advanced (bundled with 2TB Drive)
Best for	Engineering teams offloading tickets. Ops/platform work.	Developers who want an agent, not autocomplete. Large refactors, tests, docs.	Replacing Google for any question where you want a cited answer in seconds.	Anyone already on Google, research tasks, summarizing long documents.
Strengths	Works like an engineer — takes Slack tasks, opens PRs Handles multi-hour engineering work Reports back with what it did	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	Native Google Workspace integration Very long context (1M+) Deep Research feature Free tier is generous
Weaknesses	Expensive Best for well-scoped tasks Not for solo hobbyists	Terminal-based — learning curve Can't be used without Claude subscription	Not a general chatbot Answers can be shallow on complex topics	Writing quality trails Claude Over-refusals on edge content UI is cluttered
Kai's verdict	A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.	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.	A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
Link	Open →	Open →	Open →	Open →