Compare AI tools

	Perplexity S	Luma Dream Machine A	Ideogram S	Sora A
Tagline	AI search done right. Cited answers, not chat theater.	Smooth, cinematic motion. Image-to-video specialist.	The one that actually gets text in images right.	OpenAI's video model. Long clips, cinematic quality.
Category	research	video	image	video
Pricing	Free + $20/mo Pro	Free + $10-$500/mo	Free + $8/mo + $20/mo + $60/mo	Included with ChatGPT Plus/Pro
Best for	Replacing Google for any question where you want a cited answer in seconds.	Photographers animating stills, cinematic b-roll.	Anything with text — posters, ads, album covers, slide decks.	ChatGPT subscribers experimenting with cinematic shots.
Strengths	Sources every claim Fast, current answers Pro Search runs multi-step research Spaces for persistent context	Best image-to-video in the category Great camera motion control Ray 2 model produces striking shots	Best text rendering in the game Strong free tier Good for logos, posters, thumbnails	Up to 20-sec clips at 1080p Strong physics + scene composition Storyboard feature for longer narratives Remix existing videos
Weaknesses	Not a general chatbot Answers can be shallow on complex topics	Prompt fidelity below Runway Queue times on free tier	Aesthetic ceiling below Midjourney Less style variety	Stricter content policy than competitors Hit-or-miss on complex motion Text-in-video still struggles
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. Best for cinematic image-to-video. Pair with Runway for coverage.	S-tier for text-in-image. Use this for posters, Midjourney for art.	A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
Link	Open →	Open →	Open →	Open →