Runway Gen4 Aleph

Runway Aleph revolutionizes video editing with intelligent automation for seamless object and environment manipulation.

~179.73s
$1.125 per generation
PlaygroundAPI
Pricing
 1import requests
 2import json
 3
 4url = "https://api.segmind.com/v1/models/runway-gen4-aleph"
 5headers = {
 6    "x-api-key": "YOUR_API_KEY",
 7    "Content-Type": "application/json"
 8}
 9
10data = {
11    "seed": 42,
12    "video": "https://segmind-resources.s3.amazonaws.com/input/c08771b9-b671-4c12-9ea7-af4048b9d194-894a8bdf-6064-40ea-a78d-06c1abff262b.mp4",
13    "prompt": "make it winter",
14    "aspect_ratio": "16:9",
15    "reference_image": "sample text"
16}
17
18response = requests.post(url, headers=headers, json=data)
19
20if response.status_code == 200:
21    result = response.json()
22    print(json.dumps(result, indent=2))
23else:
24    print(f"Error: {response.status_code}")
25    print(response.text)

API Endpoint

POSThttps://api.segmind.com/v1/models/runway-gen4-aleph

Parameters

promptrequired
string

Text prompt to guide video transformation. Try 'in summer' for seasonal changes.

Default: "make it winter"
videorequired
string (uri)

Input video for transformation, max 16MB. Use high-quality clips for best results.

Default: "https://segmind-resources.s3.amazonaws.com/input/c08771b9-b671-4c12-9ea7-af4048b9d194-894a8bdf-6064-40ea-a78d-06c1abff262b.mp4"
aspect_ratiooptional
string

Choose desired video aspect ratio. Use '21:9' for cinematic effects.

Default: "16:9"
Allowed values :
"16:9""9:16""4:3""3:4""1:1""21:9"
reference_imageoptional
string (uri)

Image to influence video style. Select vibrant images for colorful outputs.

Default: null
seedoptional
integer

Random seed for reproducibility. Set specific numbers for consistent results across runs.

Default: 42

Response Type

Returns: Video

Common Error Codes

The API returns standard HTTP status codes. Detailed error messages are provided in the response body.

400

Bad Request

Invalid parameters or request format

401

Unauthorized

Missing or invalid API key

403

Forbidden

Insufficient permissions

404

Not Found

Model or endpoint not found

406

Insufficient Credits

Not enough credits to process request

429

Rate Limited

Too many requests

500

Server Error

Internal server error

502

Bad Gateway

Service temporarily unavailable

504

Timeout

Request timed out