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Compare AI tools

See the important differences before you choose.

Feature	AI ResearchPerplexity Open AI →	AI VideoKling AI Open AI →	AI VideoRunway Open AI →
Price	Free + Paid	Free + Paid	From $15/month
Free plan	✓ Yes	✓ Yes	✓ Yes
Free trial	— No	— No	— No
API	✓ Available	✓ Available	✓ Available
Platforms	Web, iOS, and Android	Web, iOS, and Android	Web and iOS
Languages	Multilingual	English, Chinese, Japanese	English, Multilingual
Commercial use	✓ Yes	✓ Yes	✓ Yes
Best for	Fast research with cited sources	Short product and social videos	Professional video production
Top features	✓ Web Research✓ Sources✓ Deep Research✓ Collections✓ AI Assistant✓ Chat✓ Reasoning✓ Multilingual	✓ Image-to-Video✓ Text-to-Video✓ 10s clips✓ Commercial Use✓ Video Editing✓ AI Avatars	✓ Text-to-Video✓ Image-to-Video✓ Video Editing✓ API✓ AI Avatars
Details	View full details	View full details	View full details

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How to choose

Start with Perplexity for fast research with cited sources. Compare current plan limits, commercial rights and exports on each official website before subscribing.