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Pricing Guide

Runway API Pricing: Gen4 Turbo Cost Guide

·5 min read

TL;DR

Runway API pricing through Renderful: Gen4 Turbo (image-to-video) costs $0.50 for a 5-second video and $1.00 for 10 seconds. All pricing is pay-per-generation with no Runway account or subscription required. Runway retired Gen4 Aleph from its API in July 2026, and Upscale V1 is no longer offered; Renderful serves other video-editing and upscaling models for those jobs. Updated October 2026.

Runway ML is one of the most capable AI video platforms. Through Renderful's unified API, you can use Runway Gen4 Turbo image-to-video with per-generation pricing and no Runway subscription required. Here's a complete breakdown of Runway API pricing.

Runway API Pricing Summary

5-second video
$0.50
per generation
Runway Gen4 Turbo
10-second video
$1.00
per generation
Runway Gen4 Turbo

Runway API Pricing by Model

Each Runway model is designed for a different use case. Here's the full breakdown:

ModelUse CaseInputOutputPrice/Gen
Runway Gen4 Turbo
Best value for video
Image-to-VideoImage + Prompt5s or 10s video$0.50 / 5s

Runway Model Capabilities

Runway Gen4 Turbo

Image-to-Video generation

$0.50/gen

Animates a static image into a 5 or 10-second video with cinematic motion. Supports an optional motion prompt to describe the desired movement. Accepts JPG, PNG, and WebP inputs.

5s / 10s outputMultiple aspect ratios16:9, 9:16, 1:1, 4:3, 21:9

Gen4 Aleph and Upscale V1

Runway retired Gen4 Aleph from its API in July 2026, and Upscale V1 is no longer offered. For prompt-based video editing, use Kling O1 Video Edit. For upscaling to 1080p, 2K or 4K, use the ByteDance Video Upscaler.

Runway API Example

Access Runway Gen4 Turbo through Renderful's REST API to animate an image:

POST/api/v1/generations
curl -X POST https://api.renderful.ai/api/v1/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "runway/runway-gen4-turbo",
    "input": {
      "image": "https://your-bucket.com/product-photo.jpg",
      "prompt": "Camera slowly orbits the product with soft studio lighting",
      "aspect_ratio": "16:9",
      "duration": 5
    },
    "webhook": "https://your-app.com/webhook"
  }'

Runway API Pricing FAQ

How much does Runway API cost?
Runway Gen4 Turbo (image-to-video) through Renderful costs $0.50 for a 5-second video and $1.00 for a 10-second video. All pricing is pay-as-you-go with no subscription required.
What is Runway Gen4 Turbo?
Runway Gen4 Turbo is Runway's image-to-video model. It animates a static image into a dynamic video (5 or 10 seconds) using an optional motion prompt. It costs $0.50 per generation through Renderful.
Is Runway Gen4 Aleph still available?
No. Runway retired Gen4 Aleph from its API in July 2026. For prompt-based video editing on Renderful, use Kling O1 Video Edit or Seedance 2.0 Video Edit instead.
Can I use Runway API without a Runway account?
Yes. Through Renderful, you access all Runway models using a single Renderful API key. No Runway account, subscription, or credit card on the Runway side is needed.
Does Renderful support the Runway Upscaler?
Not any more. Runway Upscale V1 is no longer offered. For video upscaling on Renderful, use the ByteDance Video Upscaler, which supports 1080p, 2K and 4K output.

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