// DETAILED COMPARISON

HeyGen vs Synthesia

HeyGen and Synthesia are two of the most-compared Video tools. HeyGen starts at $24/mo and Synthesia at $29/mo — and they differ in features, ratings, and the use cases they suit best. This side-by-side breakdown covers pricing, key features, the pros and cons of each, and a clear verdict to help you pick the right one.

Hg
HeyGen
HeyGen
Sy
Synthesia
Synthesia
Rating
4.5 ★
Winner4.6 ★
Price/mo
Winner$24
$29
Free plan
Limited
No
API
Yes
Yes
Languages
40+
120+
Mobile app
No
No
Plugins
No
No

Pros & cons

Hg
HeyGen

Pros

  • High-quality, realistic avatars
  • Instant avatar (clone yourself)
  • AI video translation (175+ languages)
  • Realistic voice cloning
  • Good for marketing and sales

Cons

  • Free plan is very limited
  • Credits consumed fast on long videos
  • Occasional lip-sync glitches
Sy
Synthesia

Pros

  • 230+ realistic AI avatars
  • 140+ languages for voiceover
  • Great for training and explainer videos
  • No camera or studio needed
  • Easy template-based editor

Cons

  • Avatars can feel slightly robotic
  • Limited for cinematic or creative video
  • Higher tiers needed for scale

The verdict

HeyGen and Synthesia are close competitors, but a few differences stand out. HeyGen is the more affordable option at $24/mo — about 17% less than Synthesia at $29/mo. Synthesia earns the higher user rating (4.6 vs 4.5). HeyGen also includes a free plan, which lowers the barrier to trying it. Bottom line: choose HeyGen if you want to spend less; choose Synthesia if you want the highest-rated option.

Which one should you choose?

When to choose HeyGen

AI avatars and video translation.

Pick HeyGen if you want to spend less and want a free plan to start.

When to choose Synthesia

Create AI avatar videos from text.

Pick Synthesia if you want the highest-rated option.

Frequently asked questions

What's the difference between HeyGen and Synthesia?+

HeyGen: AI avatars and video translation. Synthesia: AI avatar presenter videos. The biggest differences come down to price, ratings, and features.

Which is cheaper, HeyGen or Synthesia?+

HeyGen is cheaper at $24/mo — about 17% less than Synthesia at $29/mo.

Which has the higher rating?+

Synthesia scores 4.6 versus 4.5 for the other tool.

Does HeyGen or Synthesia have a free plan?+

HeyGen offers a free plan; Synthesia does not.

Which is better for Video?+

For Video, Synthesia is the stronger overall pick. Choose HeyGen instead if you want to spend less.

Related comparisons