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AI video generators rarely have a single price per video. Most charge credits, and the real cost depends on credits consumed per finished second, output resolution, audio, retries, and the subscription tier that grants commercial rights. For example, Runway lists Gen-4 at 12 credits per second and Gen-4 Turbo at 5 credits per second, while Adobe Firefly’s partner table lists different rates for 720p, 1080p, and audio-enabled models. A five-second clip can therefore cost 25, 60, or more credits before you account for failed attempts or premium features. The safest comparison is effective cost per usable second plus the plan’s license terms—not the headline monthly price.
How does AI video generator pricing work?
Most services separate the price you pay for a plan or credit pack from the number of credits each generation consumes. A provider may charge per second, per generation, or by a combination of duration, resolution, model, and audio. Credits are not a universal currency: 100 credits at one service cannot be compared directly with 100 credits at another until you know what each credit buys.
Use effective cost per finished second
Calculate the usable cost with this formula:
(credits consumed per attempt × price per credit × number of attempts) ÷ finished seconds delivered
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Include discarded generations, upscales, extensions, and audio passes. If a five-second clip takes three attempts, the advertised five-second rate understates your production cost by a factor of three.
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Runway’s published per-second example
Runway’s Gen-4 specification lists five- and 10-second outputs at 24 frames per second. Gen-4 uses 12 credits per second; Gen-4 Turbo uses 5 credits per second. The resulting credit totals are:
| Model | Rate | 5-second output | 10-second output |
|---|---|---|---|
| Gen-4 | 12 credits per second | 60 credits | 120 credits |
| Gen-4 Turbo | 5 credits per second | 25 credits | 50 credits |
Runway supports several aspect ratios and dimensions, including 1280×720 (16:9), 720×1280 (9:16), 960×960 (1:1), 1104×832 (4:3), 832×1104 (3:4), and 1584×672 (21:9). The specification identifies these outputs as 24 fps. The model, duration, and retry count still determine the credit total; changing from landscape to vertical does not by itself establish a different rate in the cited specification.
Is 1080p more expensive than 720p?
Often, yes, but there is no industry-wide rule. Some providers charge a different rate for each resolution, while others price mainly by model or duration. Audio can add another surcharge.
Adobe Firefly partner-model rates
Adobe’s partner-model table illustrates why a “cost per clip” comparison can be misleading. Its listed rates include:
| Model or variant | Output condition | Listed charge |
|---|---|---|
| Runway Gen-4 | 720p | 20 credits per generation |
| Runway Gen-4 | 1080p | 40 credits per generation |
| Kling 4.0 | 720p with audio | 35 credits per second |
| Kling 4.0 | 1080p with audio | 50 credits per second |
| Google Veo 3.1 | 720p | 50 credits per second |
| Google Veo 3.1 | 1080p | 50 credits per second |
Fast and Lite variants in the same table have lower rates than their higher-capability counterparts. Because Adobe mixes per-generation and per-second billing, convert every option to the same unit before deciding. A 20-credit generation is not automatically cheaper than 35 credits per second unless you know the generated duration.
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When audio changes the budget
Audio may be bundled, optional, or priced as a separate mode. In Adobe’s table, the Kling 4.0 figures explicitly include audio. Do not apply those numbers to silent generations or assume that adding a soundtrack later has the same cost. Check whether speech, sound effects, music, lip sync, and translation are separate operations.
How much does a five-second or 10-second video cost?
The answer depends on the billing context. Runway Dev states that one credit equals $0.01. At that API credit rate, a five-second Gen-4 Turbo clip uses 25 credits, or $0.25 before taxes and any subscription effects. A five-second Gen-4 clip uses 60 credits, or $0.60 at the same API rate.
| Runway Dev example | Credits | API credit equivalent |
|---|---|---|
| 5-second Gen-4 Turbo | 25 | $0.25 |
| 10-second Gen-4 Turbo | 50 | $0.50 |
| 5-second Gen-4 | 60 | $0.60 |
| 10-second Gen-4 | 120 | $1.20 |
These are API-rate illustrations, not a promise that the creator product has identical economics. Subscription credits, promotional allowances, taxes, and plan limits can change the amount you effectively pay. Label your spreadsheet or production brief as “creator app” or “API” so nobody treats the two billing systems as interchangeable.
Account for retries and unusable clips
Generative video is probabilistic. If only one of three attempts is usable, multiply the nominal rate by three when estimating a project. Also budget for clips rejected because of continuity errors, distorted hands, incorrect text, unsafe outputs, or a subject that does not match the reference image. A lower-cost model can be cheaper overall if it reaches an acceptable result in fewer attempts.
What do subscription tiers include?
A monthly plan usually combines credits with non-credit benefits such as faster queues, more simultaneous jobs, watermark removal, or access to specific models. A plan with fewer credits can still be preferable when it removes a bottleneck in your workflow.
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Pika’s published tier example
Pika’s comparison table lists these monthly prices, credit allowances, and commercial-license labels:
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| Tier | Monthly price listed | Monthly credits listed | Commercial license |
|---|---|---|---|
| Free | $0 | Not stated in the cited table | No |
| Starter | $10 | 900 | No |
| Creator | $35 | 3,150 | Yes |
| Fancy | $95–$880 | 8,550 or more | Yes |
The Fancy range indicates that more than one price point exists within that tier or that the amount varies by configuration. Confirm the exact checkout option, renewal price, rollover policy, and expiration rules before committing. The table also identifies commercial licensing as a plan feature, not an automatic consequence of paying for any subscription.
Features that can matter more than credits
- Watermark removal: A free or low-cost tier may place a mark on every export, making it unsuitable for client delivery.
- Parallel generations: Running several jobs at once shortens production time but may require a higher tier.
- Queue priority: Faster processing has value when you are working to a deadline, even if the credit price is unchanged.
- Model access: The model you need may be restricted to a particular tier or region.
- Export controls: Resolution, frame rate, aspect ratio, download limits, and transparent-background options can be plan-dependent.
Can I use AI-generated videos commercially?
Only if the provider’s current terms grant that permission for your plan and use case. Pika’s published table marks commercial licensing “No” for Free and Starter and “Yes” for Creator and Fancy. That is a plan-level statement; it is not a universal clearance of every input, likeness, voice, song, logo, or generated element in the final video.
What a commercial-use check should cover
- Plan eligibility: Verify that the exact tier, not merely the service, includes commercial use.
- Timing: Check whether content created before upgrading receives the same rights as content created after the upgrade.
- Inputs: Obtain permission for photographs, trademarks, scripts, characters, voices, and footage you upload.
- People and likenesses: Secure model or performer releases where advertising, endorsements, or identifiable individuals are involved.
- Music and sound: Confirm that generated or supplied audio is licensed for the territory, platform, and campaign duration.
- Client and resale work: Read clauses about ownership, sublicensing, indemnity, and use in paid advertising.
Before publishing a paid advertisement, delivering client work, or reselling a video package, read the provider’s current terms and any model-specific restrictions. “Commercial license: Yes” answers one contractual question; it does not guarantee that all third-party rights are cleared.
How should I compare two AI video generators?
Put every candidate on the same worksheet and compare a complete production scenario rather than a headline plan price.
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- Define the deliverable: Write down finished seconds, number of shots, aspect ratio, frame rate, resolution, audio requirement, and delivery deadline.
- Record the billing unit: Note whether the provider charges per second, per generation, per upscale, or per audio operation.
- Convert to usable seconds: Multiply the rate by the planned duration, then multiply by expected attempts per accepted shot.
- Add quality costs: Include 1080p upgrades, audio, extensions, interpolation, background removal, and any required post-processing.
- Check plan gates: Confirm model availability, watermark status, queue priority, concurrency, export limits, and commercial licensing.
- Test a representative prompt: Use the same subject, camera movement, duration, and aspect ratio in each service. Record successful outputs, not just total generations.
- Price the monthly workload: Divide the monthly fee by the number of usable finished seconds you realistically expect, rather than by the advertised credit count.
A simple budgeting example
Suppose a campaign needs six five-second shots. If each shot normally takes two attempts, plan for 60 generated seconds rather than 30: six shots × five seconds × two attempts. At Gen-4 Turbo’s 5-credit-per-second rate, that workload would consume 300 credits. At Gen-4’s 12-credit-per-second rate, it would consume 720 credits. The calculation excludes any separate audio, upscale, or extension charges.
What hidden limits can make a cheap plan expensive?
The most common surprises are not the advertised credit rate but the conditions around it:
- Credits that expire: A monthly allowance may not roll over, so unused credits cannot always fund the next project.
- One-time promotions: Introductory prices or bonus credits can make the first month look cheaper than renewal.
- Different generation lengths: A provider may quote a per-generation rate while silently changing the clip duration by model.
- Retries still consume credits: Failed or rejected outputs may count as generations even when they are unusable.
- Resolution-specific exports: You may generate cheaply at 720p and pay again to upscale or export at 1080p.
- Concurrency caps: A high credit balance does not help if the plan allows only one active job.
- Regional or account differences: Taxes, currency, availability, and model access can vary by country and account type.
Capture a screenshot or PDF of the provider’s current pricing and license table when you buy. Terms and model rates can change, and your production records should show which plan governed the work.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which pricing approach fits different projects?
| Project situation | What to prioritize | Why |
|---|---|---|
| Testing prompts or learning | Low-cost credits, visible watermarks acceptable, generous retries | You are optimizing for experimentation rather than client-ready exports. |
| Short social clips | Fast queue, vertical aspect ratio, predictable per-second rate | Many brief iterations can make queue time and retries larger costs than resolution. |
| Client advertising | Commercial license, watermark-free export, 1080p option, rights documentation | License and delivery requirements outweigh the lowest monthly price. |
| High-volume production | API or batch access, concurrency, stable rate, usage monitoring | Operational limits and retry waste determine the real budget. |
| Dialogue or sound-design work | Audio pricing, voice rights, caption and localization support | Audio can change both the per-second rate and the legal review required. |
Use the least expensive model that meets your acceptance criteria, then reserve the higher-rate model for shots where motion quality, consistency, resolution, or audio justifies the difference. This prevents a premium rate from being applied to drafts that will never ship.
How can I keep an AI video budget under control?
- Storyboard the sequence and lock the required duration before generating.
- Generate a low-cost draft to validate composition and camera movement.
- Reuse a successful prompt, seed, reference image, or character setup where the provider supports it.
- Upgrade only the selected shots to 1080p or audio-enabled modes.
- Track credits by shot, including failed attempts and revisions.
- Export and archive the license terms, prompts, source assets, and final files with the project record.
This staged workflow protects credits while preserving a path to premium quality for the few shots that need it.
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Frequently Asked Questions
Do unused AI video credits roll over to the next month?
Rollover rules are provider- and plan-specific and are not established by the published figures above. Check the plan’s billing section for expiration, rollover, and cancellation language before assuming unused credits remain available.
Are failed or rejected generations refunded?
There is no universal refund rule. Some services may review technical failures while still charging for ordinary generations, so record the job ID and read the provider’s support policy rather than budgeting on automatic refunds.
Can I combine credits from two AI video services?
No. Credits are account-specific and cannot be pooled across providers. Compare each service after converting its rate into the same unit, such as dollars per accepted finished second.
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Not necessarily. A commercial-use label governs the provider’s permission under its terms; copyright ownership, human-authorship requirements, and rights to uploaded or generated elements can still depend on local law and third-party permissions.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

