Vidu
Shengshu's AI video generator with Vidu Q4, Q3 and S models, reference-to-video for consistent characters and 3 to 16 second clips to 4K.
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Best for animators and creators who need one character to look the same across many clips, and who want 16 second, 4K output at a low yearly price. The trade-off is a pricing page that contradicts itself on the top tier and plans sold yearly only, where Pika and Luma bill monthly with clear tables. Skip it if you need monthly billing, a watermark-free free tier, or a verified iPhone app.
What is Vidu?
Vidu is an AI video generator from Shengshu Technology, built around its own Vidu Q4, Q3 and S models. It offers three creation modes: text to video, image to video and reference to video, the last of which accepts several images of a character or object from different angles so the subject stays consistent across shots. Users can also set the first and last frames of a clip, and an AI templates library covers common effects. Q4 generates 3 to 16 second clips at resolutions from 540p to 4K, and the Vidu S model drives real-time digital humans.
The product runs in the browser, has an Android app published by ShengShu AI HK, and exposes the same models through the Vidu API platform, which bills per second of output in credits. Consumer plans are sold yearly with a monthly credit allowance and off-peak quotas that let Premium and Ultimate users generate a set number of videos a day outside busy hours. Vidu is used by animators, social creators and studios who need the same character across many short clips.
How we scored Vidu
Capability is high: 16 second clips at 4K, reference-to-video consistency and a digital human model. Ease of use is good but three creation modes and four model families take learning. Value is strong at Standard's $8.25 and the published API table, minus points for yearly-only billing and 30-day credit expiry. Delivery loses the most for a pricing page that lists two different Ultimate prices and for free-tier terms that live in blog posts rather than on the plans page.
Pros and cons
What we liked
- Reference to Video accepts several angles of a character or object and keeps it consistent across clips.
- Q4 generates 3 to 16 second clips at up to 4K, longer and sharper than Flow, Firefly or Hailuo.
- Standard costs $8.25 a month on yearly billing for 800 credits, and the API publishes a per-second credit table for every model.
Where it falls short
- Consumer plans are sold yearly only, from $99 up front, with no monthly option shown.
- Free output is capped at 720p with a visible watermark, and subscription credits expire after 30 days.
- Three creation modes and four model families (Q4, Q3, Q2, S) each with their own credit rates take time to learn.
Key features
Vidu pricing
Free: $0, 10 references a month, Q4 at 540p for 4 credits a second, 720p output with a visible watermark. Standard $8.25/month billed yearly ($99) for 800 credits. Premium $35.42/month billed yearly ($425) for 3,500 credits and 20 off-peak videos a day. Ultimate $95.83/month billed yearly ($1,150) for 10,000 credits and 200 off-peak videos a day. Subscription credits valid 30 days, purchased credits 2 years. API billed per second in credits, for example Q4 at 19 credits a second at 720p and 78 at 4K.
| Plan | Price | Who it is for |
|---|---|---|
| Free | $0/mo | 10 references a month, Q4 at 540p for 4 credits a second, 720p output with a visible watermark, personal use. |
| Standard | $8.25/mo billed yearly | $99 a year. 800 credits a month, 540p at 2 credits a second. Subscription credits valid 30 days. |
| Premium | $35.42/mo billed yearly | $425 a year. 3,500 credits a month, off-peak quota of 20 videos a day, 3 to 16 second generations. |
| Ultimate | $95.83/mo billed yearly | $1,150 a year. 10,000 credits a month, 200 off-peak videos a day, up to 4 videos at once. |
Pricing reflects what we saw at time of review (2026-10). Always confirm current pricing on the tool's own site.
Who should use Vidu?
An indie animator producing a web series with a recurring cast gets the most from Vidu: Reference to Video keeps the character stable shot after shot, and Premium's 20 off-peak videos a day make iteration cheap. A developer building a video feature can price it from the public API table, 24 credits a second for Q3 Pro at 1080p, before writing code. A studio testing 4K generation at 16 seconds has few cheaper options.
A creator who wants to pay month to month should look at Pika or Luma, since Vidu lists yearly billing only. Someone who needs a free plan with no watermark should try Pika, whose free downloads are unwatermarked, or Google Flow, where the mark is invisible SynthID rather than a visible logo.
Skip it if: Users who need monthly billing or an unwatermarked free tier
Vidu alternatives
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Frequently asked questions
Is Vidu free?+
There is a $0 tier with 10 references a month and Q4 at 540p for 4 credits a second. Free output is 720p with a visible watermark and is for personal use.
How much does Vidu cost?+
Standard $8.25 a month billed yearly ($99) for 800 credits, Premium $35.42 a month billed yearly ($425) for 3,500 credits, Ultimate $95.83 a month billed yearly ($1,150) for 10,000 credits.
How long can a Vidu video be?+
Vidu Q4 generates 3 to 16 second clips. Q3 models run 1 to 16 seconds, and Q1 made fixed 5 second clips.
What resolution does Vidu support?+
Q4 goes up to 4K, with 540p, 720p, 1080p and 2K below it. The free tier outputs 720p.
What is off-peak mode?+
Premium and Ultimate include a daily quota of 20 or 200 videos generated outside busy hours without spending credits.
Do Vidu credits roll over?+
Subscription credits are valid for 30 days. Purchased credits are valid for 2 years. Failed or rejected generations do not consume credits.
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