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Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →A per-second price is only a starting point for comparing AI video APIs. The final charge can also depend on resolution, model tier, audio, reference footage, billing minimums, rounding, tokens or credits, and whether an unsuccessful job is charged. To compare providers fairly, define one workload and apply each provider’s documented billing formula to it.
Why a per-second price is not the whole cost
“Per second” can refer to different things: generated output duration, input footage, or a rounded billing block. Other providers charge by tokens, platform credits, or completed jobs. A unit price is meaningful only when you know exactly what is metered and how the provider converts that usage into a charge.
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Output settings matter, too. Resolution and model tier can change the rate; audio may be included, separately metered, or affect the price. Input footage may be billable even when reference images or audio are not. Minimum charges and rounding can make a short request cost more per generated second than the listed rate suggests.
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Official rate examples, checked October 7, 2026
These provider-published examples show why headline rates are not directly comparable. They are dated list-price snapshots, not an independent price survey. Check the linked rate card for the model, region, and terms you plan to use before estimating a current bill.
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| Provider and pricing basis | Published example | What to notice |
|---|---|---|
| OpenAI Sora 2 Pro, per generated second | $0.30 at 720p; $0.50 for 1024-class output; $0.70 at 1080-class output | The listed rate varies by output resolution. The model page describes video generation with synced audio and usage-tier rate limits. OpenAI Sora 2 Pro model page |
| Google Veo 3.1, per generated second | Standard with audio: $0.40 at 720p/1080p and $0.60 at 4K. Fast: $0.10 at 720p, $0.12 at 1080p, and $0.30 at 4K. Lite: $0.05 at 720p and $0.08 at 1080p. | Tier and resolution change the rate. Google says charges apply only when a video is successfully generated. Google Gemini API pricing |
| Runway Dev, credits | $0.01 per credit | Seedance 2.5 rates vary by resolution and add charges for input and reference video. The guide specifies an 80-credit minimum per generation; reference images and audio are free under this rate table, and combined input/reference video is capped at 30 seconds. Runway API Pricing & Costs guide |
| Alibaba Cloud Model Studio, Wan 2.7 reference-to-video | CNY 0.6 per second at 720p; CNY 1 per second at 1080p | Billing can include input and output duration for some operations, while other tasks bill output only. Region and failed-request rules are model-specific. Alibaba Cloud Model Studio pricing |
| B.AI Seedance, video tokens | USD per 1 million video tokens | This is not a per-second or per-video unit. A lower token rate alone does not establish a lower total cost; compare documented billable usage. B.AI video model pricing |
Audio billing can illustrate rounding without serving as a video-generation price. VEED’s Clean Audio example lists $0.0125 per input-audio minute, rounds duration to whole seconds and then whole minutes, and applies a one-minute minimum. VEED API pricing
What to check before estimating a bill
- Model and version: Record the exact API model identifier and tier. Preview, legacy, and generally available models may have different rates or availability.
- Output settings: Match resolution, aspect ratio, duration, and audio settings. Do not assume two rates include the same output format or capabilities.
- Input media: Find out whether source or reference video is charged, which media types are free, and whether there is a duration cap.
- Metering unit: Determine whether the provider counts output seconds, input seconds, tokens, credits, frames, minutes, requests, or a combination.
- Minimums and rounding: Check per-job minimums and the precise rounding order. A minimum or rounded interval can dominate a short request.
- Completion rules: Confirm whether failed or partially completed jobs are billed, and whether charges apply to input, output, or both.
- Region and currency: Verify deployment region, currency, regional availability, and free-quota eligibility.
- Settlement: Review the provider’s usage record and any credit conversion or separately disclosed platform charge. Keep taxes, account discounts, free quotas, and reseller markups distinct from list prices.
How to estimate the same workload across providers
First write down the intended request: model and version, number of clips, target duration, resolution, audio setting, input or reference media and its duration, aspect ratio if relevant, and deployment region. Then apply each provider’s own formula rather than translating every rate into a supposed universal cost per second.
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- Output-second pricing: Multiply the rate by billable generated seconds, then apply any job minimum and successful-generation rule.
- Input plus output pricing: Count billable input or reference seconds separately from output seconds, using the applicable rates and caps.
- Token pricing: Use that provider’s tokenization method and actual usage for the intended output. There is no universal token-to-second conversion established by these rate cards.
- Credit pricing: Convert credits using the provider’s current credit-to-currency rate, then include minimum credits and any additional platform charge only if documented.
- Rounded-unit pricing: Apply the documented rounding steps before multiplying. Do not calculate from unrounded duration if the provider bills rounded blocks.
For a useful comparison, report both the nominal unit rate and the total for the same explicitly described workload. Label the model, output settings, region, currency, and date alongside the estimate. Do not combine list prices, taxes, discounts, quotas, or reseller markups into one unexplained “market price.”
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Why the effective rate can differ from the listed rate
Suppose a request is shorter than a provider’s billing minimum, or its duration is rounded up to a larger billing block. The charge is then based on the minimum or rounded quantity, not just the requested output seconds. Conversely, a provider that bills only successfully generated output may not charge for a failed generation under the documented rule for that model. The practical comparison is therefore the cost of a defined workload under the applicable completion, input, and rounding rules—not a bare rate-card number.
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Provider documentation can also state different rules on the same pricing page for different operations. Alibaba Cloud’s pricing documentation, for example, says for the applicable models: “You are not charged for input. You are charged for output based on the total duration of successfully generated videos (in seconds).” Other operations on that page may bill input as well, so apply the rule only to the models and billing section where it is specified. Alibaba Cloud Model Studio pricing
Keeping a comparison current
Rate cards, model identifiers, tiers, regional availability, and free quotas can change. Save the provider page and date used for each estimate, then recheck the relevant terms before budgeting or moving a workload into production. These examples reflect official pages checked October 7, 2026; they are vendor-specific published prices, not a universal conversion or independent benchmark.
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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.
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