Gen 4.5 by Runway - AI Model | Muvi

Gen 4.5

Name: Gen 4.5 by Runway
Brand: Runway
Price: 0.1200 USD
Availability: InStock

Runway Gen 4.5 image-to-video model

PRICINGstarting $0.12/request

LATENCY~180 seconds average

RESOLUTIONPer request

BEST FORvideo, runway, gen4

Parameters

PROMPT

ASPECT RATIO

DURATION

IMAGE URL*

Estimated Cost

Base cost per second$0.12

Total$0.12

Pay only for what you use. No minimums.

Output Preview

Ready

No output yet

Run the model to see generated results.

API Example— Current Parameters

generate.py

import requests

result = requests.post(
    'https://api.muvi.video/v1/jobs/submit',
    headers={
        'Authorization': f'Bearer {API_KEY}',
        'Content-Type': 'application/json'
    },
    json={
  'model': 'runway/gen-4.5/image-to-video',
  'input': {}
}
)

Get Job— Poll for result

get_job.py

import time

job_id = result.json()['jobId']

while True:
    response = requests.get(
        f'https://api.muvi.video/v1/jobs/{'{job_id}'}',
        headers={'Authorization': f'Bearer {'{API_KEY}'}'}
    )
    data = response.json()['data']

    if data['status'] == 'completed':
        print('Done!', data['outputs'][0]['url'])
        break
    elif data['status'] == 'failed':
        raise Exception(f"Job failed: {'{'}data['error']['message']{'}'}")

    time.sleep(2)