HeyGen

HeyGen makes AI videos of you, or a custom avatar, saying anything you type.

Record a short training clip once. HeyGen builds an avatar that lipsyncs to written scripts and looks convincingly like the person it was trained on. From there you can generate hundreds of personalized videos at scale, swapping in different names, companies, or details pulled from a spreadsheet or CRM.

This isn't meant to replace hero brand video. It replaces the videos no one was ever going to record by hand because the math didn't work: one-to-one welcome videos for new prospects, named follow-ups after demos, conference invitations that say each recipient's company out loud.

Common workflows by role:

• Sales reps send personalized prospect outreach videos at scale
• Customer success teams record onboarding videos for new accounts
• Marketers run named-account campaigns where each contact gets their own clip
• L and D teams produce localized training without re-recording per market

The avatar can speak in 30+ languages with reasonable lipsync, so the same recorded performance carries into markets where the speaker doesn't know the language. Quality varies by language and use case, so review output before sending anything sensitive.

There's also an API for plugging into your CRM and triggering video generation off lead events. A new demo request lands, HeyGen renders a personalized welcome from the AE, and the email sequence drops it into the next touch. No manual rendering, no batching nights before a campaign launch.

A few specifics worth knowing:

• Custom avatars require a short training video that you submit
• Stock avatars are available for teams that don't want to put a real face on camera
• Voice cloning runs on a short sample of the speaker's voice
• Output formats cover horizontal, vertical, and square for different channels

The consent and disclosure piece matters here. Cloning a real person needs their permission, and audiences should know they're watching an AI video. HeyGen's terms cover this, and most teams add a soft disclosure in the script.

Freemium model with paid subscription tiers scaling by minutes of video generated and team seats. An API tier is available for production integrations where volume needs to flow programmatically.

Best for personalized outreach and onboarding where each video reaches a specific person whose name is in the script. Not the right tool for hero brand video where the audience is being asked to feel something about the company. Use human production for that.