Compare AI tools

	Perplexity S	Devin A	Suno S	Ollama S
Tagline	AI search done right. Cited answers, not chat theater.	Cognition Labs' autonomous coding engineer.	Prompt to full song with vocals, instruments, the works.	Run LLMs locally. One-line install, GUI optional.
Category	Research	Agents	Audio	Dev Platform
Pricing	Free + $20/mo Pro	$500/mo	Free + $10/mo + $30/mo	Free + open source
Best for	Replacing Google for any question where you want a cited answer in seconds.	Engineering teams offloading tickets. Ops/platform work.	Jingles, intros, demos, sketches, personal use.	Devs wanting offline/local LLMs for privacy or experimentation.
Strengths	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Works like an engineer — takes Slack tasks, opens PRs Handles multi-hour engineering work Reports back with what it did	Real songs with real lyrics v4 is very good Quick turnaround	Run Llama, Mistral, Qwen, etc. on your laptop Simple CLI + API Hardware-aware (picks the right quant)
Weaknesses	Not a general chatbot Answers can be shallow on complex topics	Expensive Best for well-scoped tasks Not for solo hobbyists	Copyright gray zone Audio quality behind studio	Needs beefy laptop for larger models Speed way behind cloud APIs
Kai's verdict	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.	A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.	S-tier in its category. The first AI music tool I'd actually listen to.	S-tier for local inference. If you care about privacy or want to tinker, install this today.
Link	Open →	Open →	Open →	Open →