> For the complete documentation index, see [llms.txt](https://docs.qolaba.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.qolaba.ai/video-generation/output-controls/number-of-generations.md).
# Number of Generations
Number of Generations controls how many video outputs Qolaba produces from a single prompt and settings configuration in one run. Generating multiple outputs at once gives you variations to compare — without re-entering your settings each time.
***
#### How It Works
Each generation produces one unique video output from the same prompt, reference media, and output settings. Increasing the count produces multiple variations in a single run.
Credit cost scales linearly with generation count:
> **Total credits = credits per video × number of generations**
**Example:** If a single generation costs 500 credits:
| Generations | Total Credits |
|---|
| 1 | 500 |
| 2 | 1,000 |
| 3 | 1,500 |
The total credit cost for your current configuration is displayed on the **Generate button** before you confirm — so you always know what will be consumed before committing.
***
#### When to Generate Multiple vs. One at a Time
**Generate multiple when:**
* Your prompt and settings are already validated from a previous run
* You want variations to compare before selecting a final output
* You are preparing a client presentation with options
* You are running a confirmed final production batch
**Generate one at a time when:**
* You are working with a new or untested prompt
* You are trying a model or settings combination for the first time
* You want to validate output direction before spending credits on a full batch
* You are making incremental prompt refinements between runs
{% hint style="info" %}
Always run a single generation first when working with a new prompt or model. Refine based on that result before scaling to multiple generations — this is the most effective way to avoid spending credits on outputs that need significant rework.
{% endhint %}
***
#### A/B Generation
Setting generations to **2** is particularly useful for A/B comparison — two variations of the same prompt are produced side-by-side, giving you a direct quality and style comparison from a single run. This is more credit-efficient than running two separate single generations when your settings are already confirmed.
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