Best AI Video Generators · head-to-head
Captions vs HeyGen
A sourced, side-by-side comparison for ai video generators. Captions has the lower entry price. Every figure links to the vendor's own page and the date we captured it.
Captions has the lower entry price — Captions starts at $0/mo, HeyGen at $0/mo. Free tier: Captions Yes, HeyGen Yes. HIPAA: Captions —, HeyGen —.
As of 2026-06-14 · figures link to their source below
Side by side
Captions
$0/mo entryHeyGen
$0/mo entrySources — Captions: captions.ai (verified 2026-06-14) · HeyGen: heygen.com (verified 2026-06-14)
Key features
Captions: AI Edit: auto-cuts scenes, overlays B-roll, applies styling from raw footage; AI captions with trending styles in 100+ languages; Custom AI avatars (digital twins from selfies); AI actor generation with customizable outfits and backgrounds; Video translation and dubbing into 30+ languages; Eye contact correction; Audio denoising and filler word / pause removal; Chat-based editor: direct edits via text prompts; Teleprompter built in; Available on iOS, Android, and web
HeyGen: 1,100+ pre-built photorealistic avatar models; Avatar IV: single photo to video with natural lip-sync and expressions; Photo Avatar: unlimited AI avatars from one image via text prompts; UGC Avatars: creator-style content for TikTok, Reels, YouTube; Video translation into 175+ languages with voice cloning; AI video dubbing with lip-sync preservation; 4K resolution output (Business plan and above); Brand kit for consistent visual identity; HeyGen API for programmatic video generation; 141M+ videos generated (platform scale indicator)