HeyGen vs Synthesia

HeyGen (AI avatar video platform: custom video avatars, Avatar V, lip-sync and translation in 175+ languages.) and Synthesia (AI video and avatar platform for business: avatars and voiceovers in 140+ languages, AI dubbing, PPT to video, interactive sessions, API.) compared side by side: plans and prices, vendor-stated features, platforms and sign-in, with the date each fact was checked. Matches based on official product information.

Based on official vendor pages, linked below
HeyGen pricing checked: 2026-10-27
Synthesia pricing checked: 2026-10-27

At a glance

HeyGen

AI video generation tools

What it does: AI avatar video platform: custom video avatars, Avatar V, lip-sync and translation in 175+ languages.
Strong at: Built for avatar-led videos with lip-sync and translation across a wide range of languages.
Free plan: Yes - ongoing free plan
Paid plans from: US$29 / month

Pricing checked 2026-10-27 · Full HeyGen record · Official site

Synthesia

AI video generation tools

What it does: AI video and avatar platform for business: avatars and voiceovers in 140+ languages, AI dubbing, PPT to video, interactive sessions, API.
Strong at: Strong fit for corporate training videos with AI avatars.
Free plan: Yes - ongoing free plan
Paid plans from: US$19 / month

Pricing checked 2026-10-27 · Full Synthesia record · Official site

Plans & pricing

HeyGen plans & pricing

Checked 2026-10-27. · Vendor pricing page Confirm prices and terms with the vendor before buying.

Free

$0 (3 videos/mo, watermarked, up to 1 min each, no card)

Creator

$29/month ($24/month billed annually, $288/yr)

600 credits/month.

Pro

$49/month ($41/month billed annually, $488/yr)

Business

$149/month

1,500 credits/month; extra seat $20/month.

Enterprise

Contact sales

Synthesia plans & pricing

Checked 2026-10-27. · Vendor pricing page Confirm prices and terms with the vendor before buying.

Basic

$0 (500 credits/mo, ~10 min video, watermark)

Starter

$19/month ($14/month billed annually, $168/yr); first month $9 promo

1,250 credits/month. First-month promo $9 as displayed.

Pro

$89/month ($59/month billed annually, $708/yr); first month $49 promo

Enterprise

Custom

Side-by-side facts

	HeyGen	Synthesia
Free plan	Yes - ongoing free plan	Yes - ongoing free plan
Paid plans from	US$29 / month	US$19 / month
Sign-in	Yes, a HeyGen account is needed to generate videos. The ChatGPT integration also uses that account and its credits.	Yes. Create a free account to use the documented generation workflow.
API	Yes. Developer API with key-based access.	Yes. API keys and scopes are plan-dependent; confirm required entitlement.

Worth knowing before you choose

HeyGen - worth knowing

Listed $29/$49/$149 are monthly-billing prices.
Credit rollover per vendor FAQ: monthly plans one cycle; annual accumulate until renewal.
Android app per vendor llms.txt and help center mobile article; iOS and desktop details not checked.
Free $0/mo - 3 watermarked videos/month, max 1 min each (Avatar IV/Video Agent).
Renewable monthly.

Synthesia - worth knowing

Basic includes 500 credits/month and a separate 10 minutes/month. Do not convert one allowance into the other.
Video and dubbing credit costs vary. Vendor estimates are about 100 credits/minute for video and 76 credits/minute for dubbing, not guaranteed output.
Learner seats cost USD 29 each; studio/branded avatars are an additional USD 1,000/year.

Common questions

Is HeyGen or Synthesia free to use?

HeyGen: Yes - ongoing free plan (checked 2026-10-27). Synthesia: Yes - ongoing free plan (checked 2026-10-27).

What do HeyGen and Synthesia cost?

HeyGen's entry paid plan is US$29 / month and Synthesia's is US$19 / month, from each vendor's pricing page (2026-10-27 and 2026-10-27 respectively). The tables above list every plan each vendor published.

Which is better, HeyGen or Synthesia?

It depends on the job. HeyGen: Built for avatar-led videos with lip-sync and translation across a wide range of languages. Synthesia: Strong fit for corporate training videos with AI avatars. The feature and pricing tables above show where they differ.

Where do these facts come from?

Every fact on this page is read from the vendors' own product and pricing pages, with the checked date shown beside it. Links to both official pages are at the top of each column.

Keep comparing

This comparison is not a recommendation: it sets out what each vendor states on its own pages, with the dates those pages were checked. Prices and features change - confirm with the vendor before buying.