Two of the best AI avatar video tools — but built for different people. HeyGen leans toward solo creators and fast social content; Synthesia is built for corporate training and large teams. Here's how they actually compare, and who each one is for.
How we assessed this: our HeyGen take is a hybrid review — partly hands-on, partly research. Our Synthesia take is research-based, built from its official pricing and documentation, not a hands-on test. Pricing for both was verified May 2026. We don't have a Synthesia partnership; the HeyGen link is an affiliate link, and it has no bearing on the scores below.
HeyGen feels designed for individual creators. The free plan lets you actually make something, the avatars are plentiful and convincing, and the workflow is fast — ideal for short-form social, marketing clips, and talking-head content without a camera. The catch is its credit system: realistic Avatar IV/V video burns about 20 credits per minute, so the headline plan price isn't the whole story. Heavy users feel that fast.
Synthesia is built for organisations. Its strengths are the things training teams care about — SCORM export for learning systems, interactive quizzes and branching, brand kits, SAML/SSO, and SOC 2 / GDPR compliance. Its paid plans meter by video minutes per year (120 min/year on Starter, 360 on Creator), which suits the steady, structured output of an L&D team more than the bursty pace of a creator.
Synthesia's pricing cards show Starter at $14/mo (billed yearly) and Creator at $59/mo (billed yearly), while an FAQ on the same page still cites older $29 / $89 figures. Pricing appears to be in transition — confirm the current number at checkout before you subscribe.
For zAIa's audience — creators, solopreneurs and small teams — HeyGen is the more natural fit, which is why it's our pick here. But that's audience-specific, not a knock on Synthesia: for a training department, Synthesia is the stronger tool and would win this comparison outright.