AI Video Generator
HelloGen’s AI video generator turns a text prompt or a single photo into a 5- or 10-second clip at up to 4K, with optional generated sound. Eleven models from Veo, Kling, Seedance and HappyHorse sit behind one composer, so you choose the look and the budget instead of the plumbing.
The flagship models run on credits — included with every paid plan, or buy a credit pack. Pro and Max also include unlimited clips on MiniMax H3 Unlimited, which costs no credits at all. A failed generation is never charged.
Just landed in the composer
MiniMax H3
Native 2K at 24 fps with sound generated alongside the picture — text, image and reference modes, from 80 credits a clip.
Seedance 2.5
ByteDance’s newest video model — native audio, multi-shot consistency and reference-guided generation, from 140 credits a clip.
Five ways to start a clip
The composer only shows the modes the selected model actually supports.
Text to video
Describe the shot in a sentence — subject, action, camera move, lighting — and the model renders it from scratch. No image needed.
Image to video
Upload one photo and it becomes the opening frame. The model animates what is already there instead of inventing a new scene.
First and last frame
Give a start image and an end image, and the model generates the motion between them. The most direct way to control where a clip lands.
Reference guided
Attach up to nine reference images — and on the Seedance 2 family, a reference video or audio track — to lock a character, a style or a movement.
Motion transfer
Kling Motion Control takes a character image plus a driving video and copies that video’s movement onto your character.
Every video model, side by side
Resolutions, clip length, sound and modes exactly as the composer offers them.
| Model | Resolution | Length | Sound option | Modes | From |
|---|---|---|---|---|---|
 Veo 3.1 LiteAffordable Google video | 720p · 1080p · 4K | Per clip | — | First and last frame · Reference guided | 15 credits |
| Veo 3.1 FastFast Google video | 720p · 1080p · 4K | Per clip | — | First and last frame · Reference guided | 30 credits |
| Veo 3.1 QualityGoogle flagship video | 720p · 1080p · 4K | Per clip | — | First and last frame | 225 credits |
| Seedance 2 MiniQuick video drafts | 480p · 720p | 5s / 10s | — | First and last frame · Reference guided | 105 credits |
| Seedance 2 FastFast HD video | 480p · 720p | 5s / 10s | — | First and last frame · Reference guided | 165 credits |
| Seedance 2Flagship video quality | 480p · 720p · 1080p | 5s / 10s | — | First and last frame · Reference guided | 205 credits |
| Seedance 2.5Long clips, up to 30s · Learn more | 480p · 720p | 5s / 10s | ✓ | First and last frame · Reference guided | 140 credits |
 Kling 3.0 TurboFast image-to-video | 720p · 1080p | 5s / 10s | — | First and last frame | 90 credits |
| Kling 3.0Rich motion + audio | 720p · 1080p · 4K | 5s / 10s | ✓ | First and last frame | 70 credits |
| Kling Motion ControlTransfer motion to a character | 720p · 1080p | Per clip | — | Motion transfer | 100 credits |
 HappyHorse 1.1Full-modal reference video | 720p · 1080p | 5s / 10s | — | — | 115 credits |
| MiniMax H32K video with native sound · Learn more | 720p · 2K | 5s / 10s | ✓ | First and last frame · Reference guided | 80 credits |
The credits column is each model’s cheapest combination; the composer prices the exact resolution, length and sound you pick before you submit. Any single credit-priced clip costs at least 24 credits. MiniMax H3 Unlimited is the exception — on Pro and Max it costs nothing.
From prompt to clip in three steps
Pick a model
Start with Veo 3.1 Lite for the cheapest render, or Seedance 2 and Kling 3.0 when the shot needs richer motion. The price updates as you choose.
Describe or upload
Write the shot, or drop in a photo to animate. Add a last frame, reference images or a driving video if the model supports it.
Render and save
Set resolution, length and sound, then submit. Finished clips land in My Works automatically, and failures cost nothing.
What a clip actually costs
The vendor models are billed in credits, priced per second of output and by resolution, with a 24-credit floor on any single clip. Basic includes 1,200 credits a month, Pro 3,600 and Max 10,000; credit packs start at $4.90 for 500 credits and never expire. Pro and Max also include unlimited clips on MiniMax H3 Unlimited, which spends no credits at all. Image generation stays free and never touches your balance.
AI video questions
Is the AI video generator free?
Image generation on HelloGen is free forever. Video on the flagship models is not: every clip spends credits, because each render is paid compute at the model vendor. Credits come with any paid plan, or as a one-off pack from $4.90. On Pro and Max there is one model that is genuinely free and unlimited — MiniMax H3 Unlimited. A generation that fails is never charged, on any model.
What is MiniMax H3 Unlimited?
The open-weight MiniMax H3 model, included with the Pro and Max plans: unlimited clips, no credits, 480p, 2 to 15 seconds, with generated stereo sound, from text, a first frame, first and last frames, or up to nine reference images. Every day includes guaranteed priority clips (at least 2 a day on Pro, 5 on Max), and clips beyond those render at standard speed. Take the finished clip to 1080p or 4K with the video upscaler.
How long can a generated video be?
Seedance, Kling and HappyHorse render 5- or 10-second clips, and you choose the length before submitting. Veo 3.1 and Kling Motion Control are billed per clip at a fixed length instead. For anything longer, generate several clips and join them in a video editor.
Can I turn a photo into a video?
Yes. Upload a photo in the composer and it becomes the first frame, so the model animates that image rather than inventing a new scene. You can also supply a last frame to control where the clip ends, or add reference images to keep a character consistent.
Do the generated videos have sound?
Kling 3.0 and Seedance 2.5 expose a generated-sound toggle in the composer; turning it on costs more credits than a silent render. The other models return silent clips, which you can score in any video editor.
Can I use the videos commercially?
Yes — generated videos are yours to use, including commercially, to the extent the law allows. You are responsible for making sure your prompt and any photo you upload do not infringe someone else’s rights; our Acceptable Use Policy covers this in detail.
What happens if a generation fails?
Nothing is charged. Credits are only spent on a clip that actually renders, so a failed or blocked generation leaves your balance untouched.
Your first clip is one sentence away
Pick a model, describe the shot, and watch it render.
✦ Open the AI Video Generator