Gen 4 Turbo overview
Gen 4 Turbo specs
- Model ID
runway/gen4_turbo- Developer
- Runway ML
- Input
- Image, Text, Video
- Output
- Video
- Endpoint
POST https://api.aimlapi.com/v2/video/generations
Runway Gen-4 Turbo generates high-quality videos from images and text with fast processing and improved motion consistency.
Gen 4 Turbo API Pricing
- Pricing on request
Short-form video generation
Create clips for social, ads, and product demos from text or image prompts.
Previsualization and storyboards
Rapidly prototype motion concepts before committing to production.
Use cases
Rapid prototyping of video ideas and motion concepts is documented as a use case for Gen 4 Turbo, with the model described as optimized for quick iteration and previsualization work.
Animating product mockups, product photos, and other product visuals is a documented use case, including transforming static product imagery into dynamic showcases and subtle motion clips.
Creating short social media video content from still images is a documented use case, with sources describing it as useful for scroll-stopping social posts and fast content creation from existing photos.
Pre-visualization and storyboarding for filmmakers and creative teams is a documented use case, including testing camera angles, scene compositions, and visual styles before full production.
Gen 4 Turbo API pricing
| Usage | Price | Unit |
|---|---|---|
| Video generation | $0.05 | per second |
The final price depends on request parameters such as resolution or duration.
Prices from the AI/ML API price list, checked on Nov 4, 2026.
Gen 4 Turbo vs other video models: prices
AI/ML API rates for 5 models, per second.
| Model | Per second |
|---|---|
 Gen 4 Turbo | $0.05 |
| Runway Act Two | $0.05 |
 Wan 3.0 Video | $0.05 |
 Grok Imagine Video | $0.05 |
| Aleph | $0.195 |
How to use the Gen 4 Turbo API
View docs
Build with your agent
Give your agent the model details, code and documentation.
1Get your API key
Create API keyexport AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"2Make your first request
curl 'https://api.aimlapi.com/v2/video/generations' \
-H "Authorization: Bearer $AIMLAPI_KEY" \
-H 'Content-Type: application/json' \
-d '{
"model": "runway/gen4_turbo",
"image_url": "https://example.com/input.jpg"
}'import os
import requests
headers = {
"Authorization": f"Bearer {os.environ['AIMLAPI_KEY']}",
"Content-Type": "application/json",
}
payload = {
"model": "runway/gen4_turbo",
"image_url": "https://example.com/input.jpg"
}
response = requests.post("https://api.aimlapi.com/v2/video/generations", headers=headers, json=payload, timeout=120)
response.raise_for_status()
print(response.json())const response = await fetch("https://api.aimlapi.com/v2/video/generations", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
"model": "runway/gen4_turbo",
"image_url": "https://example.com/input.jpg"
}),
});
if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());The request returns a generation id. Poll GET https://api.aimlapi.com/v2/video/generations?generation_id=<id> until the status is completed.
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Gen 4 Turbo FAQ
What inputs and outputs does Gen 4 Turbo support?
Gen 4 Turbo takes image, text, video as input and returns video.
When was Gen 4 Turbo released?
Gen 4 Turbo became available on December 4, 2025.
How much does Gen 4 Turbo cost?
Gen 4 Turbo costs $0.05 per second on AI/ML API, billed as you go with no subscription.
How is Gen 4 Turbo billed?
Gen 4 Turbo costs $0.05 per second on AI/ML API, billed as you go with no subscription.
Can Gen 4 Turbo take an existing image as input?
Yes, Gen 4 Turbo accepts image input as well as a text prompt.
Who created Gen 4 Turbo?
Gen 4 Turbo was built by Runway.
How do I call Gen 4 Turbo on AI/ML API?
Use runway/gen4_turbo as the model id on AI/ML API.
Is Gen 4 Turbo available through a single API key?
Yes. Gen 4 Turbo is served through AI/ML API, so the same key and endpoint format used for other models applies.
What is Runway Gen-4 Turbo?
Gen 4 Turbo is a video generation model from Runway that creates videos from images and text, with fast processing and consistent motion.
Can Gen 4 Turbo generate video from text prompts, not just images?
Yes, Gen 4 Turbo accepts image, text, and video inputs and produces video output.