Compare AI tools

	Devin A	Ollama S	Perplexity S	DALL-E 3 B
Tagline	Cognition Labs' autonomous coding engineer.	Run LLMs locally. One-line install, GUI optional.	AI search done right. Cited answers, not chat theater.	OpenAI's image model. Built into ChatGPT Plus.
Category	Agents	Dev Platform	Research	Image
Pricing	$500/mo	Free + open source	Free + $20/mo Pro	Included with ChatGPT Plus $20/mo
Best for	Engineering teams offloading tickets. Ops/platform work.	Devs wanting offline/local LLMs for privacy or experimentation.	Replacing Google for any question where you want a cited answer in seconds.	ChatGPT Plus users who want images without paying extra.
Strengths	Works like an engineer — takes Slack tasks, opens PRs Handles multi-hour engineering work Reports back with what it did	Run Llama, Mistral, Qwen, etc. on your laptop Simple CLI + API Hardware-aware (picks the right quant)	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Excellent prompt understanding Built into ChatGPT — no extra subscription Good at composition + concepts
Weaknesses	Expensive Best for well-scoped tasks Not for solo hobbyists	Needs beefy laptop for larger models Speed way behind cloud APIs	Not a general chatbot Answers can be shallow on complex topics	Aesthetic ceiling below Midjourney + Ideogram Text rendering worse than Ideogram No fine control
Kai's verdict	A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.	S-tier for local inference. If you care about privacy or want to tinker, install this today.	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.	B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.
Link	Open →	Open →	Open →	Open →