Compare AI tools

	GitHub Copilot B	Duolingo Max A	Suno S	Stable Audio A
Tagline	Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.	Duolingo + AI. Explain My Answer + Roleplay features.	Prompt to full song with vocals, instruments, the works.	Stability AI's open audio model. Loops + SFX + background.
Category	Coding	Education	Audio	Audio
Pricing	Free (limited) + $10/mo Pro + $19/mo Business	$30/mo (or ~$168/yr)	Free + $10/mo + $30/mo	Free + $12/mo Pro + enterprise
Best for	Teams with GitHub already. Devs who don't want to change IDEs.	Language learners who've outgrown basic Duolingo.	Jingles, intros, demos, sketches, personal use.	Game developers, podcasters needing SFX, video creators needing background music.
Strengths	Great enterprise story Works in your existing IDE Chat + autocomplete	Explain My Answer = personal tutor for every mistake Roleplay = real conversation practice Gamification that actually sticks	Real songs with real lyrics v4 is very good Quick turnaround	Open-weight model available Great for loops + game audio + SFX Commercial-use clarity
Weaknesses	Less agentic than Cursor/Claude Code Model quality varies	Pricey vs free Duolingo Conversation AI still stiff sometimes	Copyright gray zone Audio quality behind studio	Not for full songs with vocals Shorter generation limits
Kai's verdict	B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.	A-tier. If you already love Duolingo, worth it. If starting fresh, try ChatGPT Voice instead.	S-tier in its category. The first AI music tool I'd actually listen to.	A-tier for its niche. Different use case than Suno — SFX and loops, not songs.
Link	Open →	Open →	Open →	Open →