---
title: "Runway API — All variants, pricing, code samples | RunAPI"
url: "https://runapi.ai/models/runway.md"
canonical: "https://runapi.ai/models/runway.md"
locale: "en"
model: "Runway"
provider: "Runway"
modality: "video"
variant_count: 1
price_from_cents: 12
---

# Runway

Video generation and editing — create and transform footage with text prompts.

**Provider:** Runway
**Modality:** Video
**Catalog:** 2 endpoints

Runway is a professional-grade AI video generation platform supporting text-to-video and image-to-video creation. It is widely used in creative and film production workflows for generating cinematic footage.

## Variants

Single-SKU line. The SDK model ID is `runway` and all usage details are documented here.

## Pricing

| Endpoint | Pricing | Billing |
|---|---|---|
| `extend_video` | $0.120 | call |
| `text_to_video` | $0.300 | call |

## Spec sheet

| Field | Value |
|---|---|
| Model ID | `runway` |
| Provider | Runway |
| Modality | video |
| Task type | asynchronous |
| Billing unit | call |
| API endpoint | `/api/v1/runway/extend_video` |


## Install

```sh
npm install @runapi.ai/runway
# or
gem install runapi-runway
```

## Quickstart

```sh
curl -X POST https://runapi.ai/api/v1/runway/extend_video \
  -H "Authorization: Bearer $RUNAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "model": "runway", "prompt": "..." }'
```

## Context

Runway is a leading video AI company whose models are widely used in creative production. Through RunAPI, Runway endpoints are accessible with a single key and pay-per-call pricing.

## FAQ

### Which variant should I start with?

Pick the cheapest variant that meets your quality bar. Most teams start on the fast variant and graduate to pro for production.

### Is there a free tier?

New accounts get free first calls on every model. After that, pay per call.

### Do you stream results?

Where streaming is available, RunAPI streams end-to-end.

### How are failures billed?

Failed generations are not charged.

### Are outputs cached?

Generated outputs are stored and retrievable by task ID. Inputs are not cached.

### Can I use commercially?

Yes — commercial use is included for every variant unless a model license explicitly restricts it, which is called out on the variant page.

### What about rate limits?

Per-key rate limits scale with usage tier. See pricing page for current limits.

### Where can I report issues?

Open an issue on the public GitHub repo or email support.