Choose by workflow
Workflow
Start with
Why
Training and onboarding
Synthesia (/tools/synthesia/)
Best when the format is structured presenter video.
Localized avatar updates
HeyGen (/tools/heygen/)
Best when speed, avatars, and localization matter.
Video tool comparison
Synthesia vs HeyGen (/tools/synthesia-vs-heygen/)
Use this when both tools look plausible.
When a general AI plan is enough
A general AI plan is usually enough when you only need scripts, outlines, shot lists, captions, or a few rough creative ideas before a human edits the final video.
When a specialist tool is worth it
A specialist video tool is worth it when you repeatedly need presenter footage, avatar delivery, multilingual variants, brand templates, or exports that must be ready for customers.
Lower-cost and trial entry points
Entry point
What it means
Free or trial entry
HeyGen lists a Free $0/month tier and Synthesia lists a Basic Free entry point, useful for testing avatar or presenter workflows before paying.
Lowest self-serve paid step
Synthesia Starter and HeyGen Creator are the first practical paid steps for recurring work; check monthly versus annual billing and video-credit limits before upgrading.
When not to pay yet
If you only need scripts, storyboards, captions, or rough ideas, a general AI plan plus a human editor is usually enough.
FAQ
Do AI video tools replace Gemini, Claude, or ChatGPT?
No. Use the general plan for thinking, scripts, and review; use the video tool for the production layer.
Which AI video tool is best for beginners?
HeyGen is often approachable for quick avatar messages, while Synthesia is clearer for structured business video.
When should teams pay for a specialist video tool?
When they publish recurring training, product, sales, or localized updates and need consistent output.