Compare AI tools

	Aider A	ChatGPT Operator B	DALL-E 3 B	Perplexity S
Tagline	Terminal-based AI pair programmer. Git-aware, model-flexible.	OpenAI's browser agent. Clicks and types on websites for you.	OpenAI's image model. Built into ChatGPT Plus.	AI search done right. Cited answers, not chat theater.
Category	Coding	Agents	Image	Research
Pricing	Free (open source) + whatever API you use	Included with ChatGPT Pro $200/mo	Included with ChatGPT Plus $20/mo	Free + $20/mo Pro
Best for	Developers who want open-source tooling with full control.	Power users willing to pay $200/mo for a browser bot.	ChatGPT Plus users who want images without paying extra.	Replacing Google for any question where you want a cited answer in seconds.
Strengths	Works in any terminal Auto-commits changes with meaningful messages Works with any model (Claude, GPT, local) Minimal learning curve	Actually uses websites — fills forms, clicks, checks out Built into ChatGPT Good for repetitive web tasks	Excellent prompt understanding Built into ChatGPT — no extra subscription Good at composition + concepts	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context
Weaknesses	Terminal-only Less agentic than Claude Code Setup on Windows is fiddly	Slow vs doing it yourself Breaks on complex auth flows $200/mo gate	Aesthetic ceiling below Midjourney + Ideogram Text rendering worse than Ideogram No fine control	Not a general chatbot Answers can be shallow on complex topics
Kai's verdict	A-tier. The right answer if you want open-source + terminal-native + model-agnostic.	B-tier. Still early. Manus is more flexible for less money.	B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.	S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
Link	Open →	Open →	Open →	Open →