Compare AI tools

	Flux (Black Forest Labs) A	Bolt.new (StackBlitz) A	NotebookLM S	ChatGPT Operator B
Tagline	Open weights + strong photorealism. The open-source answer.	Prompt to deployed full-stack app in the browser.	Google's research notebook. Turns your docs into a podcast.	OpenAI's browser agent. Clicks and types on websites for you.
Category	Image	Coding	Research	Agents
Pricing	API + open weights (Schnell is Apache 2.0)	Free + $20-$200/mo	Free	Included with ChatGPT Pro $200/mo
Best for	Developers + power users who want control and privacy.	PMs, founders, non-devs shipping MVPs.	Students, researchers, anyone with a stack of PDFs or a topic to learn.	Power users willing to pay $200/mo for a browser bot.
Strengths	Runs locally on a beefy GPU Very photoreal Best open-weight model	Full-stack generation + live preview Deploy to Netlify in one click Works in-browser — no install	Upload anything, ask questions, get cited answers Audio Overview turns docs into a 10-min podcast Great for studying	Actually uses websites — fills forms, clicks, checks out Built into ChatGPT Good for repetitive web tasks
Weaknesses	Harder to use than hosted tools Needs infra	Quality ceiling for complex apps Can get into loops for non-trivial bugs	Google-only Can be slow on large corpora	Slow vs doing it yourself Breaks on complex auth flows $200/mo gate
Kai's verdict	A-tier. S-tier if you self-host. The reason open-source image gen matters.	A-tier. Best for fast prototypes. Competitive with Lovable — try both.	S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.	B-tier. Still early. Manus is more flexible for less money.
Link	Open →	Open →	Open →	Open →