runware

name	runware
description	Generate images and videos via Runware API. Access to FLUX, Stable Diffusion, Kling AI, and other top models. Supports text-to-image, image-to-image, upscaling, text-to-video, and image-to-video. Use when generating images, creating videos from prompts or images, upscaling images, or doing AI image transformation.

Runware

Image and video generation via Runware's unified API. Access FLUX, Stable Diffusion XL, Kling AI, and more.

Setup

Set RUNWARE_API_KEY environment variable, or pass --api-key to scripts.

Get API key: https://runware.ai

Image Generation

Text-to-Image

python3 scripts/image.py gen "a cyberpunk city at sunset, neon lights, rain" --count 2 -o ./images

Options:

• --model: Model ID (default: runware:101@1 / FLUX.1 Dev)
• --width/--height: Dimensions (default: 1024x1024)
• --steps: Inference steps (default: 25)
• --cfg: CFG scale (default: 7.5)
• --count/-n: Number of images
• --negative: Negative prompt
• --seed: Reproducible seed
• --lora: LoRA model ID
• --format: png/jpg/webp

Image-to-Image

Transform an existing image:

python3 scripts/image.py img2img ./photo.jpg "watercolor painting style" --strength 0.7

• --strength: How much to transform (0=keep original, 1=ignore original)

Upscale

python3 scripts/image.py upscale ./small.png --factor 4 -o ./large.png

List Models

python3 scripts/image.py models

Video Generation

Text-to-Video

python3 scripts/video.py gen "a cat playing with yarn, cute, high quality" --duration 5 -o ./cat.mp4

Options:

• --model: Model ID (default: klingai:5@3 / Kling AI 1.6 Pro)
• --duration: Length in seconds
• --width/--height: Resolution (default: 1920x1080)
• --negative: Negative prompt
• --format: mp4/webm/mov
• --max-wait: Polling timeout (default: 600s)

Image-to-Video

Animate an image or interpolate between frames:

# Single image (becomes first frame)
python3 scripts/video.py img2vid ./start.png --prompt "zoom out slowly" -o ./animated.mp4

# Two images (first and last frame)
python3 scripts/video.py img2vid ./start.png ./end.png --duration 5

List Video Models

python3 scripts/video.py models

Popular Models

Image

Model	ID
FLUX.1 Dev	runware:101@1
FLUX.1 Schnell (fast)	runware:100@1
FLUX.1 Kontext	runware:106@1
Stable Diffusion XL	civitai:101055@128080
RealVisXL	civitai:139562@297320

Video

Model	ID
Kling AI 1.6 Pro	klingai:5@3
Kling AI 1.5 Pro	klingai:3@2
Runway Gen-3	runwayml:1@1

Browse all: https://runware.ai/models

Notes

• Video generation is async; scripts poll until complete
• Costs vary by model — check https://runware.ai/pricing
• FLUX models are excellent for quality; Schnell is faster
• For best video results, use descriptive prompts with motion words