Compare AI tools

	Gemini A	Ollama S	Devin A	Perplexity S
Tagline	Google's answer. Best integrated with Workspace + free for a lot.	Run LLMs locally. One-line install, GUI optional.	Cognition Labs' autonomous coding engineer.	AI search done right. Cited answers, not chat theater.
Category	Chatbots	Dev Platform	Agents	Research
Pricing	Free + $20/mo Advanced (bundled with 2TB Drive)	Free + open source	$500/mo	Free + $20/mo Pro
Best for	Anyone already on Google, research tasks, summarizing long documents.	Devs wanting offline/local LLMs for privacy or experimentation.	Engineering teams offloading tickets. Ops/platform work.	Replacing Google for any question where you want a cited answer in seconds.
Strengths	Native Google Workspace integration Very long context (1M+) Deep Research feature Free tier is generous	Run Llama, Mistral, Qwen, etc. on your laptop Simple CLI + API Hardware-aware (picks the right quant)	Works like an engineer — takes Slack tasks, opens PRs Handles multi-hour engineering work Reports back with what it did	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context
Weaknesses	Writing quality trails Claude Over-refusals on edge content UI is cluttered	Needs beefy laptop for larger models Speed way behind cloud APIs	Expensive Best for well-scoped tasks Not for solo hobbyists	Not a general chatbot Answers can be shallow on complex topics
Kai's verdict	A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.	S-tier for local inference. If you care about privacy or want to tinker, install this today.	A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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