How this list works: Numbered picks are chosen by our editors and are never for sale. We may earn a commission from some links. Full disclosure.
Searching for a free AI video generator usually ends in the same place: a tool that lets you try it, adds a watermark and asks you to pay to download. This list ranks six options by how much usable output you get without paying, whether you can download, how the watermark works and how clearly the plan is described. It’s a ranking of free allowances, not of video quality. For quality, see our list of the best AI video generators.
Quick comparison
| # | Tool | Best for | Score | Pricing | |
|---|---|---|---|---|---|
| 1 | HeyGen | Best free AI avatar videos | ★ 4.4 | Freemium | Visit ↗ |
| 2 | Runway | Best free generative clips | ★ 4.3 | Freemium | Visit ↗ |
| 3 | Fliki | Best free text-to-video | ★ 4.0 | Freemium | Visit ↗ |
| 4 | ngram | Best free product demos | ★ 3.8 | Freemium | Visit ↗ |
| 5 | Synthesia | Best free AI presenter trial | ★ 4.4 | Freemium | Visit ↗ |
| 6 | Pictory | Best free trial for script-to-video | ★ 4.1 | Free trial | Visit ↗ |
#1: HeyGen
Up to three avatar videos a month at 720p with a watermark that can't be removed. Free-plan rights for commercial use aren't clearly stated, and sources disagree on how long each video can be.
#2: Runway
125 one-time credits for generated clips, which don't refresh. It's enough to try the models, not to make a project, and free-plan commercial rights aren't clearly stated.
#3: Fliki
Five minutes a month at 720p with a watermark. The free plan has no commercial rights, and how credits are counted differs between sources.
#4: ngram
Free credits with public sharing and embeds, but MP4 downloads need a paid plan. Sources differ on the free allowance, and independent reviews are limited.
#5: Synthesia
A small monthly allowance with a watermark and limited downloads. Sources disagree on whether it's 3 or 10 minutes a month, so check the pricing page.
#6: Pictory
Not a free plan: a 14-day trial with 3 projects and watermarked 720p exports. Useful for testing, not for ongoing free use.
Free doesn’t mean publishable
None of these clearly allows commercial use on its free plan. Fliki’s free plan has no commercial rights, and for HeyGen, Runway, ngram and Synthesia we couldn’t find a clear statement in the sources we checked. Pictory has no free plan at all. Every video tool in our reviews adds a watermark to free or trial output. If you plan to monetize what you make, you’ll need a paid plan with commercial rights. See our research on free AI plans and our guide to monetizing AI-generated videos.
How we ranked them
We looked at how much you can make for free, whether you can download the result, whether the watermark can be removed and how clearly the plan is explained. Our scores come from reviews based on pricing and terms reported by several 2026 sources, user feedback and independent write-ups. We haven’t run our own trials.
Two tools we left out
InVideo AI. Its pricing page now lists no free tier, and one independent test found the free account could plan a video but not generate it, so we treat it as paid. See our InVideo AI review.
Descript. It has a real free plan with 60 media minutes a month and 100 one-time AI credits, but it’s an editor for your own footage, not a video generator. See our Descript review.
Quick picks
Best free AI avatar videos: HeyGen.
Best free generative clips: Runway.
Best free text-to-video: Fliki.
Best free product demos: ngram.
Best free AI presenter trial: Synthesia.
Best free trial for script-to-video: Pictory.
How to get the most from a free plan
Plan your script before you generate, because retakes can use your allowance. Test the shortest version first. Check whether the watermark can be removed and whether you can download in a usable format. Save the license terms with the date, and don’t publish anything for money until you’ve read them. Our free plans page compares them side by side.
Frequently asked questions
What is the best free AI video generator?
It depends on the job. HeyGen gives the most usable free avatar output, and Runway lets you try generated clips.
Can I use free AI videos commercially?
Only if the plan’s terms allow it. None of these clearly does on its free plan.
Do free AI video generators add watermarks?
Yes. All the video tools in our reviews do on free or trial output.
Is there a free AI video generator with no watermark?
Not among the ones we reviewed.
Can I download videos from free plans?
Often only in limited ways. Check each tool.
What is the best free video editor with AI?
See our Descript review, which has a free plan with 60 media minutes a month.