Compare AI tools

	Stable Audio A	Cursor S	Fathom S	ChatGPT Operator B
Tagline	Stability AI's open audio model. Loops + SFX + background.	VS Code fork that made AI coding actually work.	Meeting notes, free forever for individuals.	OpenAI's browser agent. Clicks and types on websites for you.
Category	Audio	Coding	Meetings	Agents
Pricing	Free + $12/mo Pro + enterprise	Free + $20/mo Pro + $40/mo Business	Free for individuals + $15-$29/user/mo teams	Included with ChatGPT Pro $200/mo
Best for	Game developers, podcasters needing SFX, video creators needing background music.	Developers. Non-developers who want to ship working code.	Solo operators, freelancers, small teams on a budget.	Power users willing to pay $200/mo for a browser bot.
Strengths	Open-weight model available Great for loops + game audio + SFX Commercial-use clarity	Tab completion feels like mind-reading Composer for multi-file edits Runs Claude, GPT, Gemini — you pick	Unlimited free tier for solo use Strong summaries + action items Works in Zoom, Meet, Teams	Actually uses websites — fills forms, clicks, checks out Built into ChatGPT Good for repetitive web tasks
Weaknesses	Not for full songs with vocals Shorter generation limits	Can feel overwhelming for non-coders Expensive at scale	Bot-joining model Team features gated	Slow vs doing it yourself Breaks on complex auth flows $200/mo gate
Kai's verdict	A-tier for its niche. Different use case than Suno — SFX and loops, not songs.	S-tier for coding. If you write code of any kind, this pays back the $20 in a day.	S-tier for solo + free. The best free option, hands down.	B-tier. Still early. Manus is more flexible for less money.
Link	Open →	Open →	Open →	Open →