runwaymllisted

# Runway API Generate AI videos, images, and audio using Runway's API. Features Runway's **latest Gen-4.5 model** for high-quality text-to-video and image-to-video generation, plus Gen-4 variants and third-party models from Google (Veo, Gemini) and ElevenLabs. > **Recommended:** Use **`gen4.5`** for best results - the newest and most capable video generation model. > **Setup:** See [Installation Guide](references/installation.md). API key goes in `RUNWAYML_API_SECRET` env var. ## Quick Start ### Python ```python from runwayml import RunwayML client = RunwayML() # Image-to-video with latest Gen-4.5 model task = client.image_to_video.create( model="gen4.5", prompt_image="https://example.com/image.jpg", prompt_text="A timelapse on a sunny day with clouds flying by", ratio="1280:720", duration=10 ).wait_for_task_output() print(f"Video URL: {task.output[0]}") # Text-to-video (no image required) task = client.image_to_video.create( model="gen4.5", prompt_text="A serene mountain landscape at sunset with clouds drifting", ratio="1280:720", duration=10 ).wait_for_task_output() ``` ### Node.js ```javascript import RunwayML from "@runwayml/sdk"; const client = new RunwayML(); // Image-to-video with latest Gen-4.5 model const task = await client.imageToVideo .create({ model: "gen4.5", promptImage: "https://example.com/image.jpg", promptText: "A timelapse on a sunny day with clouds flying by", ratio: "1280:720", durat