How to choose an AI avatar video tool: licence, minutes and watermarks

AI avatar tools turn a script into a video read by a stock or custom presenter. Their pricing pages lead with low prices, but the cheapest plan is often not one you can use for business, and "minutes" can mean different things. We compared five tools from their own pricing, help and terms pages, read Sep 25 to Sep 27, 2026.

What our ranking weighs, and why

Our AI avatar video ranking scores each tool on the cheapest paid plan whose licence allows commercial use. The weights, detailed on our methodology page:

• Entry plan price, 30%. The monthly price, annual prepay included, before promotions.
• Minutes per dollar, 25%. Video minutes a month divided by the price. A tool that doesn't publish minutes scores 0 here.
• Stock avatars, 15%. How many presenters you can pick from without paying for a custom one.
• Languages, 10%. For voice or dubbing.
• Watermark and licence, 10%. Half for a clean export, half for commercial use.
• Free plan or trial, 10%.

We don't test output quality, so use the free plans to judge how the avatars look and sound.

The price range you'll see

Billed yearly, entry plans run from Vidnoz Starter at $13.50 a month to Colossyan Professional at $59 a month. In between: D-ID Pro at $16, Synthesia Starter at $264 a year ($22 a month), and HeyGen Creator at $24. Billed monthly, the same plans cost $26.99 to $89.

Minutes a month on those plans: Vidnoz 10, Synthesia 10, D-ID 15, Colossyan 30 with its NEO model plus 10 with NEO2. HeyGen publishes credits, not minutes.

The traps our research found

The cheapest plan may be personal use only. D-ID's Lite plan costs $4.70 a month billed annually, but its card says "License for Lite plan: Personal use". Pro, at $16, is the first with "Commercial use".

Commercial, but not for ads. Synthesia's licensing article lets stock avatars and voices appear on your website and social channels but not in paid ads or TV broadcasting without permission. Colossyan's acceptable use policy bars stock avatars and voices "for television broadcasting or advertising". If you plan to run avatar videos as ads, these limits decide the choice.

A watermark on a paid plan. D-ID's Pro videos carry an "AI watermark", and its FAQ says even Enterprise users can customise it but not remove it.

Minutes that depend on the model. HeyGen's Creator plan has 600 credits. Its credits article charges 4 credits a minute for Avatar III Video Look (150 minutes) and 48 for Avatar V (12.5 minutes). Vidnoz charges 0.5 credits a second for standard avatars and 2 for expressive ones, so its 10 minutes become 2.5.

Two prices on one page. Synthesia's US plan cards say $18 and $64 a month billed yearly, while the FAQ on the same page says $264 and $804 a year. We use the FAQ's higher figures.

The low price needs a year. Vidnoz's 300-credit Starter package is sold only with yearly billing, and it doesn't accept refunds on 1-month subscriptions.

Minutes don't carry over. D-ID, Synthesia and Colossyan all say unused minutes don't roll over. D-ID also rounds each video up to the next 15 seconds.

A checklist before you pay

1. Find the plan's licence line and read the full licence terms for limits on ads and broadcast.
2. If you want avatars in paid ads, confirm stock avatars are allowed there, or budget for a custom avatar.
3. Count minutes on the avatar model you'll use, not the cheapest one.
4. Check whether the plan removes the watermark entirely.
5. Check how many stock avatars and languages the plan itself includes, not the site's headline.
6. Compare monthly and yearly prices; the gap is often large.
7. Count editors: most entry plans cover one.
8. Try the free plan or trial first.

Which kind of buyer each one fits

• Solo creator on a budget. Vidnoz Starter is the cheapest commercial-use plan here, with no watermark and a full commercial licence, if you pay yearly and use standard avatars.
• Business that can live with a watermark. D-ID Pro gives 15 minutes and a commercial licence for $16 a month billed annually, with an AI watermark on every video.
• Multilingual presenter videos for your own channels. Synthesia lists 160+ languages; keep stock avatars out of paid ads.
• A big avatar library and voice cloning. HeyGen lists 700+ stock avatars and 175+ languages on Creator; budget credits by avatar model.
• Training teams. Colossyan gives the most published minutes and interactive content, at the highest entry price.

Where to go next

See the full AI avatar video ranking, with each tool's best-for line, and how each score is worked out on the methodology page.