AI Video Generation
“AI video” is four different tools wearing one name. Knowing which lane you are in (and the consent, disclosure, and review rules that apply) is the difference between a useful asset and a liability.
Quick answer
- What it is
- Tools that generate video from text or images, present a script through an AI avatar, or edit and repurpose footage with AI.
- What it helps with
- Short marketing clips, training and explainer videos, and turning long video into captioned highlights.
- When to use it
- When video would help and you can budget the credits and the review time it really takes.
- What to review
- Consent for any real person, disclosure of synthetic presenters, and a human watch-through before publishing.
- Related terms
- synthetic media
- deepfake
- human review
The four lanes
Most confusion about AI video comes from treating it as one thing. It is really four, each with a different purpose and a different real-world cost. All of it produces , and most of it is credit-based, so “free” usually means a small number of watermarked or draft-quality clips.
1. Fully generated footage
Text or an image becomes a short video clip with no camera involved. It is remarkable for concepts, b-roll, and imagination-led ideas, and it is the most credit-hungry and the least controllable: realism and consistency vary shot to shot, and generating a usable clip often takes several tries.
2. Avatar-presenter tools
A script becomes a video of an AI presenter speaking it. This is the workhorse for training, explainer, and localized video (predictable, repeatable, and fast), and it is where consent rules bite hardest, because the presenter is a person’s likeness.
3. Traditional editors with AI features
A normal video editor with AI helpers: transcript-based editing, filler-word removal, auto-captions, background cleanup. This is the practical middle lane most businesses actually need: you keep real footage and control, and AI removes the tedium. Tools like Descript, CapCut, and Premiere live here.
4. Caption & repurposing tools
Tools that take one long video (a webinar, a talk) and cut it into captioned short clips sized for social. The least expensive lane, and often the highest return, because it multiplies content you already filmed rather than inventing new footage.
Voice and audio (narration, text-to-speech, and voice cloning) sit alongside these and carry their own consent rules; see the audio & voice section of the Tool Guide. Many footage tools also start from a still, which is where AI image generation feeds in.
Consent & disclosure
Documented consent before you use any real person’s face or voice. No exceptions. Cloning or animating a real person without permission is the definition of a , whether the subject is an employee, a customer, or a public figure. Serious avatar tools require a live, on-camera consent step for exactly this reason.
Disclose synthetic presenters. When a presenter could be mistaken for a real person, tell your audience the presenter is AI, in line with platform and advertising norms. Disclosure protects both your viewers and your credibility.
The review gate
Nothing customer-facing ships without a person watching it end to end first. AI video fails in ways text does not: a mangled word, a wrong number on screen, a gesture that reads wrong, a caption that says something the script did not. A watch- through is the gate that catches all of it.
The workflow that keeps this reliable is a straight line: write the script, generate the video, review it as your audience would, then publish. Never generate straight to publish. That ordering is the same house guidance behind every AliNQuality build, and it is exactly the reviewed, generative-video workflow in the Alpine Medical Training case study, where AI-assisted video runs through professional review at every critical stage before anything reaches learners.
Video tools
A set of current tools across the generated-footage and avatar-presenter lanes, each card showing the free reality (credits, watermarks), the provider’s stated commercial-use position where verified, and consent policy where it applies, with the date we checked.
OpenAI Sora
OpenAI's text-to-video generator, used in the Sora app and tied to a ChatGPT account.
Commonly used for
generating short video clips from text, concept and story exploration.
Free option
Free access with a monthly quota — OpenAI has described roughly up to 50 short videos per month at lower resolution; ChatGPT Pro adds a higher-quality model and more usage.
Good to know
- Monthly generation quota; higher resolution and longer clips require a paid plan.
Consent & likeness
OpenAI states its cameo feature captures your likeness only through a one-time in-app recording that verifies identity, that you control and can revoke who uses your cameo, and that uploads featuring real people require attesting you have their consent; likenesses of living public figures without consent may be removed.
Google Veo
Google's video-generation model, used in the Gemini app and the Flow studio.
Commonly used for
generating video clips from text or images, short marketing and social video.
Free option
Credit-based and effectively gated to a paid Google AI plan — Flow credits start around 200 on Google AI Plus and scale up on higher tiers; free access is limited.
Good to know
- Credit-based; meaningful use requires a paid Google AI plan, and availability is changing as Google folds Veo into its Gemini media features.
Runway
A video-generation and editing platform with a web app and creative tools.
Commonly used for
generating and editing video clips, AI video effects, short-form content.
Free option
Free plan includes a one-time deposit of 125 non-expiring credits; generations consume credits, so free use is finite.
Good to know
- Credit-based; the free 125-credit deposit is one-time.
Commercial use
Runway states that on every plan, including Free, you retain ownership of the content you generate and may use it commercially with no non-commercial restriction.
Luma Dream Machine
Luma's video and image generator, used in a web app.
Commonly used for
generating short video clips, image-to-video, quick exploration.
Free option
Free plan generates at draft resolution with a watermark, for personal, non-commercial exploration only.
Good to know
- Free output is watermarked and non-commercial, and on free or Lite plans Luma may use your content to improve and train its models.
Commercial use
Luma states commercial use is allowed only under a paid subscription (Plus, Unlimited, or Enterprise); free and Lite output is for personal, non-commercial use.
Synthesia
An avatar-presenter platform that turns a script into a video narrated by an AI avatar.
Commonly used for
avatar-presenter videos from a script, training and explainer videos, localizing video at scale.
Free option
Free plan with a small monthly video allowance; custom and personal avatars require higher plans.
Good to know
- Free plan caps monthly video minutes; realistic custom avatars are gated behind consent verification and paid plans.
Consent & likeness
Synthesia states that creating a custom or personal avatar requires the featured person's free, informed consent — personal avatars require a live on-camera consent verification that cannot be uploaded or bypassed, the person must be 18 or older, and avatar owners control usage and can request deletion.
Features, limits, and pricing can change. Confirm important details with the provider before choosing a tool.
| Tool | Free option | Good to know |
|---|---|---|
| OpenAI SoraOfficial site | Free access with a monthly quota — OpenAI has described roughly up to 50 short videos per month at lower resolution; ChatGPT Pro adds a higher-quality model and more usage. | Monthly generation quota; higher resolution and longer clips require a paid plan. |
| Google VeoOfficial site | Credit-based and effectively gated to a paid Google AI plan — Flow credits start around 200 on Google AI Plus and scale up on higher tiers; free access is limited. | Credit-based; meaningful use requires a paid Google AI plan, and availability is changing as Google folds Veo into its Gemini media features. |
| RunwayOfficial site | Free plan includes a one-time deposit of 125 non-expiring credits; generations consume credits, so free use is finite. | Credit-based; the free 125-credit deposit is one-time. |
| Luma Dream MachineOfficial site | Free plan generates at draft resolution with a watermark, for personal, non-commercial exploration only. | Free output is watermarked and non-commercial, and on free or Lite plans Luma may use your content to improve and train its models. |
| SynthesiaOfficial site | Free plan with a small monthly video allowance; custom and personal avatars require higher plans. | Free plan caps monthly video minutes; realistic custom avatars are gated behind consent verification and paid plans. |
OpenAI Sora
Official siteFree option
Free access with a monthly quota — OpenAI has described roughly up to 50 short videos per month at lower resolution; ChatGPT Pro adds a higher-quality model and more usage.
Good to know
Monthly generation quota; higher resolution and longer clips require a paid plan.
Google Veo
Official siteFree option
Credit-based and effectively gated to a paid Google AI plan — Flow credits start around 200 on Google AI Plus and scale up on higher tiers; free access is limited.
Good to know
Credit-based; meaningful use requires a paid Google AI plan, and availability is changing as Google folds Veo into its Gemini media features.
Runway
Official siteFree option
Free plan includes a one-time deposit of 125 non-expiring credits; generations consume credits, so free use is finite.
Good to know
Credit-based; the free 125-credit deposit is one-time.
Luma Dream Machine
Official siteFree option
Free plan generates at draft resolution with a watermark, for personal, non-commercial exploration only.
Good to know
Free output is watermarked and non-commercial, and on free or Lite plans Luma may use your content to improve and train its models.
Synthesia
Official siteFree option
Free plan with a small monthly video allowance; custom and personal avatars require higher plans.
Good to know
Free plan caps monthly video minutes; realistic custom avatars are gated behind consent verification and paid plans.
Related resources
AI Image Generation
Generating images responsibly, with licensing, likeness, and disclosure guidance.
Read the guide →Business AI Safety
Six practical rules for using AI safely at work, plus a downloadable AI use policy.
Read the guide →AI Glossary
Plain-English definitions of common artificial-intelligence terms.
Read the guide →AI Integrations
Learn how AliNQuality builds AI assistants, agents, and AI-supported workflows.
Learn how AliNQuality helps →Work with AliNQuality
Request a Free Workflow Audit, or Talk Through Your Project.
AI Video Generation: Quick Questions
How do I use AI video generation for business?
Start by knowing which of four lanes you need: fully generated footage, an avatar presenter reading a script, a traditional editor with AI features, or a tool that repurposes long video into clips and captions. Then follow the rules that keep it safe: documented consent before you use any real person's face or voice, a clear disclosure when a presenter is synthetic, and a human watch-through of anything customer-facing before it publishes. The workflow is script, generate, review, publish. Never generate straight to publish.
- Generated footage
- Avatar presenters
- AI-assisted editing
- Human review gate
- Is AI video actually free?
- Rarely in a meaningful way. Most video tools are credit-based, so a free tier means a small, finite number of generations, often watermarked or at draft quality. Treat free tiers as a way to test, and expect to pay for anything you will publish, and check whether the free plan even allows commercial use.
- Can I make a video of a real person with AI?
- Only with their documented consent. Using someone's face or voice (an employee, a customer, or a public figure) without permission risks their rights and your reputation. Reputable avatar tools require a live consent step for exactly this reason.
- Do I need to tell viewers a presenter is AI?
- When a synthetic presenter could be taken for a real person, yes. Disclose it, in line with platform and advertising norms, and always have a person watch the final video before it goes to customers.