The author tested 10 AI video tools for YouTube creators by running a small faceless finance channel publishing four videos weekly, ranking tools by actual performance rather than marketing claims. HeyGen is the top overall pick, handling A-roll avatars, faceless narration, and B-roll in one project at roughly two minutes per 90-second clip, while specialists like ElevenLabs (voiceover), Runway (B-roll), OpusClip (repurposing), and Canva (thumbnails) win individual categories. A realistic monetizable stack runs $40-$70 monthly once hidden credit overages are factored in.