# Runway Gen-4 Video Generator

Generate a 5- or 10-second clip from a required prompt or one source image, with model-specific framing and resolution controls.

> Canonical: https://stable-diffusion-web.com/runway

Runway Gen-4 Turbo supports text-to-video and single-image video, 5- or 10-second duration, 720p or 1080p output and paid-model access.

## Text and Image Workflow Examples

Six visual directions for concept scenes, lighting studies, camera framing, style experiments and motion drafts. Treat the stills as examples, not output guarantees.

### World-Consistent Scene

### Rapid Concept

### Relit Footage

### New Camera Angle

### Style Transfer

### Cinematic Loop

## What Controls Does Runway Gen-4 Expose?

The preselected form defines the supported request: a required prompt, optional single source image, duration and resolution with one documented compatibility constraint.

### Text and Image Input Modes

Generate from a required text prompt or upload one source image and add a required motion prompt. The image path accepts JPEG, PNG or WebP up to 10 MB.

### Five- or Ten-Second Duration

Choose 5 or 10 seconds. This form does not expose 8-second output, scene extension or long-form sequencing.

### 720p or 1080p Output

Choose 720p or 1080p for five seconds. Ten-second requests are limited to 720p, and the form disables the incompatible 1080p combination.

### Five Text-Mode Aspect Ratios

Text mode offers 16:9, 4:3, 1:1, 3:4 and 9:16. Image mode follows the source framing and does not expose a separate aspect-ratio control.

### A Required 1,800-Character Prompt

Both modes require a prompt of up to 1,800 characters. Describe subject motion, camera behavior and protected details explicitly.

### Paid Access and Estimated Time

This is a paid model. The form lists an estimate of about two minutes, while queue and request conditions can change actual completion time.

## Runway Gen-4 use cases and clip limits

Use the visible controls for short video drafts and experiments. Generated motion, identity and camera behavior remain variable and require review.

### Rapid Concept Tests

Try a 5-second 720p draft first, then change one prompt variable at a time before choosing a higher-cost setting.

### Single-Image Animation

State the desired movement for one uploaded frame, then inspect identity, edge detail and background stability throughout the clip.

### Framing Experiments

Use text mode to compare square, portrait and landscape ratios for a delivery channel before committing to a final brief.

### Mood and Lighting Studies

Describe atmosphere and camera behavior as a visual experiment rather than assuming the model will preserve every scene detail.

### Pitch and Previsualization Drafts

Use generated clips as concept material, then label, review and rights-clear them before client or stakeholder delivery.

### Short Social Variants

Create alternate short-form drafts and route selected clips through the normal brand, platform and compliance checks.

## What a run costs and returns

| Measure | Detail |
| --- | --- |
| 1 model | Available in the form today, each priced in the same credits. |
| 15–50 credits | Per run, depending on the model and length chosen. |
| 5–10 s | Video covered per credited run, by model. |
| Every paid plan | Includes a commercial licence for what you make. |
| JPEG, PNG, and WebP | Accepted for upload, up to 10 MB per file. |
| 1,800 characters of prompt | The longest prompt every model on this page accepts. |

## Video Generation Questions

Direct answers about input modes, prompt and file limits, duration, resolution, framing, access, timing, rights and output variability.

### What is Runway Gen-4 Turbo?

Runway Gen-4 Turbo is a selectable video model in this app with text and single-image workflows, 5/10-second duration and 720p/1080p settings.

### Can I generate from text alone?

Yes. Text mode requires a prompt and offers five aspect ratios. No source image is required for that mode.

### Which source files work in image mode?

Image mode accepts one JPEG, PNG or WebP file up to 10 MB and also requires a prompt describing the intended motion.

### Which duration and resolution combinations are available?

Choose 5 seconds at 720p or 1080p, or 10 seconds at 720p. The form disables 1080p when 10 seconds is selected.

### Is paid access required?

Paid-model access and enough credits are required. The current debit is shown before submission.

### How long should generation take?

The form lists an estimate of about two minutes. Actual completion time varies with queue and request conditions.

### Does this page include video editing or extension?

No. The mounted form provides text-to-video and single-image video only; it does not expose footage editing, extension, audio or multi-shot controls.

### Can generated clips be used commercially?

Every paid plan includes this app's commercial license for generated work, subject to app terms and third-party rights in the source, prompt and output.

### Does the model guarantee consistent motion or identity?

No. Review subject identity, anatomy, background continuity, camera behavior and visible text throughout every returned clip.

### How many credits does Runway Gen-4 use?

Runway Gen-4 draws between 15 and 50 credits per run, depending on the model and length chosen in the form.

### What limits should I check before using Runway Gen-4?

Generated output from Runway Gen-4 can contain visual, audio, or factual errors. Review each result before publishing, and upload only material you are authorized to use. A credited video run covers 5–10 seconds, depending on the model selected. Where the form accepts a reference image, supported files are JPEG, PNG, WebP up to 10 MB each.

### What happens to the files I upload to Runway Gen-4?

An upload is stored against your own account, not pooled with other people's. Deleting the account removes it: the control is in Settings under Security, the request is confirmed by email, and the erasure removes the stored objects it owns. How long anything else is kept, and which processors handle it, is stated in the privacy policy.

### Can I use what Runway Gen-4 makes commercially?

Every paid plan includes a commercial licence for what Runway Gen-4 makes; the free tier is for personal use.

### How is Runway Gen-4 priced by video length?

Runway Gen-4 is priced by video length: a credited run covers from 5 up to 10 seconds, depending on the model chosen in the form.

### How does Runway Gen-4 compare, and what alternatives fit a different workflow?

Runway Gen-4: Use Runway Gen-4 Turbo for 5- or 10-second video from text or one reference image, with 720p/1080p controls and paid access. Related options are Stable Diffusion Models Hub: Compare the Stable Diffusion models and the other image and video models here: the inputs each takes, what a run costs, and the plan it needs, SDXL: Use SDXL with text input, optional negative prompt, seven ratios, 512-2048 resolution settings, steps, guidance, seed, and output count, Nano Banana Pro: Use Nano Banana Pro for prompt-based generation or reference-guided edits with 1K, 2K and 4K output, four-image input and paid access, Seedance 2.0: Use Seedance 2.0 with text, first/end frames, or up to 9 image, 3 video and 3 audio references; six ratios, 480p/720p, 4-15 seconds, seed, and audio switch, Nano Banana 2: Use Nano Banana 2 with text or up to four JPEG, PNG, or WebP references, 1K, 2K or 4K, ten ratios, Auto framing in image mode, and one to four outputs, and Seedance 2 Mini: Seedance 2 Mini is the lowest-cost Seedance 2 variant - the same multimodal ByteDance model for 1080p video with native audio, text-to-video. Choose by the required input, delivered output, controls, limits, current availability, and credit cost; the related-tools section links each canonical page.

## Generate a Short Video

Open the preselected form, choose text or image mode, set a compatible duration and resolution, confirm the debit, and review the output.

## Related tools

### [Stable Diffusion Models Hub](https://stable-diffusion-web.com/models)

### [SDXL](https://stable-diffusion-web.com/sdxl)

### [Nano Banana Pro](https://stable-diffusion-web.com/nano-banana-pro)

### [Seedance 2.0](https://stable-diffusion-web.com/seedance)

### [Nano Banana 2](https://stable-diffusion-web.com/nano-banana-2)

### [Seedance 2 Mini](https://stable-diffusion-web.com/seedance-2-mini)

_Last updated July 14, 2026_