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.
At a glance
- Price: Captions $0/mo vs HeyGen $0/mo — Captions is cheaper to start.
- Free tier: Captions Yes; HeyGen Yes.
- HIPAA: Captions —; HeyGen —.
Side by side
| Captions | HeyGen | |
|---|---|---|
| Entry price | $0/mo (Free) | $0/mo (Free) |
| Free tier | Yes | Yes |
| HIPAA (BAA) | — | — |
| SOC 2 | — | Yes |
| GDPR | — | Yes |
| Best for | Solo content creators and influencers on mobile | Sales teams creating personalized outreach videos at scale |
Sources — 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)