Install the belt CLI skill:
npx skills add belt-sh/cli
Video Prompting Guide
Best practices for writing effective AI video generation prompts via inference.sh.
Quick Start
Requires inference.sh CLI (
belt). Install instructions
belt login
# Well-structured video prompt
belt app run google/veo-3-1-fast --input '{
"prompt": "Cinematic tracking shot of a red sports car driving through Tokyo at night, neon lights reflecting on wet streets, rain falling, 4K, shallow depth of field"
}'
Prompt Structure Formula
[Shot Type] + [Subject] + [Action] + [Setting] + [Lighting] + [Style] + [Technical]
Example Breakdown
"Slow motion close-up of coffee being poured into a white ceramic cup,
steam rising, morning sunlight streaming through window, warm color grading,
cinematic, 4K, shallow depth of field"
- Shot Type: Slow motion close-up
- Subject: Coffee
- Action: Being poured
- Setting: White ceramic cup, window
- Lighting: Morning sunlight
- Style: Warm color grading, cinematic
- Technical: 4K, shallow depth of field
Shot Types
| Shot Type | Description | Use For |
|---|---|---|
| Wide shot | Shows entire scene | Establishing location |
| Medium shot | Waist-up framing | Conversations, actions |
| Close-up | Face or detail | Emotion, product detail |
| Extreme close-up | Single feature | Drama, texture |
| Aerial shot | Bird's eye view | Landscapes, scale |
| Low angle | Camera looking up | Power, grandeur |
| High angle | Camera looking down | Vulnerability |
| Dutch angle | Tilted camera | Unease, tension |
| POV shot | First person view | Immersion |
Camera Movements
| Movement | Description | Effect |
|---|---|---|
| Tracking shot | Camera follows subject | Dynamic, engaging |
| Dolly in/out | Camera moves toward/away | Focus, reveal |
| Pan | Horizontal rotation | Survey scene |
| Tilt | Vertical rotation | Reveal height |
| Crane shot | Vertical + horizontal | Dramatic reveal |
| Handheld | Slight shake | Realism, urgency |
| Steadicam | Smooth following | Professional, cinematic |
| Zoom | Lens zoom in/out | Quick focus change |
| Static | No movement | Contemplation, stability |
Lighting Keywords
| Keyword | Effect |
|---|---|
| Golden hour | Warm, soft, romantic |
| Blue hour | Cool, moody, twilight |
| High key | Bright, minimal shadows |
| Low key | Dark, dramatic shadows |
| Rim lighting | Subject outlined with light |
| Backlit | Light from behind subject |
| Soft lighting | Gentle, flattering |
| Hard lighting | Sharp shadows, contrast |
| Neon | Colorful, urban, cyberpunk |
| Natural lighting | Realistic, documentary |
Style Keywords
Cinematic Styles
cinematic, film grain, anamorphic lens, letterbox,
shallow depth of field, bokeh, 35mm film,
color grading, theatrical
Visual Aesthetics
minimalist, maximalist, vintage, retro, futuristic,
cyberpunk, steampunk, noir, pastel, vibrant,
muted colors, high contrast, desaturated
Quality Keywords
4K, 8K, high resolution, photorealistic,
hyperrealistic, ultra detailed, professional,
broadcast quality, HDR
Prompt Examples by Use Case
Product Demo
belt app run google/veo-3-1-fast --input '{
"prompt": "Smooth tracking shot around a sleek smartphone on a white pedestal, soft studio lighting, product photography style, reflections on surface, 4K, shallow depth of field"
}'
Nature Documentary
belt app run google/veo-3-1 --input '{
"prompt": "Slow motion extreme close-up of a hummingbird hovering at a red flower, wings in motion blur, shallow depth of field, golden hour lighting, National Geographic style"
}'
Urban Lifestyle
belt app run google/veo-3 --input '{
"prompt": "Tracking shot following a cyclist through busy city streets, morning rush hour, natural lighting, handheld camera feel, documentary style, authentic and candid"
}'
Food Content
belt app run bytedance/seedance-2-0 --input '{
"prompt": "Close-up of chocolate sauce being drizzled over ice cream, slow motion, steam rising, soft lighting, food photography style, appetizing, commercial quality",
"generate_audio": true
}'
Tech/Futuristic
belt app run xai/grok-imagine-video --input '{
"prompt": "Futuristic control room with holographic displays, camera slowly pans across the space, blue and cyan lighting, sci-fi atmosphere, Blade Runner aesthetic, 4K",
"duration": 5
}'
Common Mistakes to Avoid
| Mistake | Problem | Better Approach |
|---|---|---|
| Too vague | "A nice video" | Specify shot, subject, style |
| Too complex | Multiple scenes | One scene per prompt |
| No motion | Static description | Include camera movement or action |
| Conflicting styles | "Minimalist maximalist" | Choose one aesthetic |
| No lighting | Undefined mood | Specify lighting conditions |
Model-Specific Tips
Google Veo
- Excels at realistic, cinematic content
- Supports audio generation (Veo 3+)
- Best with detailed, professional prompts
- Frame interpolation available in 3.1
Seedance
- Strong at dance and human motion
- First-frame control available
- Good for consistent character motion
- Works well with reference images
Wan 2.5
- Best for image-to-video
- Animates still images naturally
- Good motion prediction
- Works with any image style
Grok
- Good general-purpose video
- Configurable duration (5-10s)
- Creative interpretations
- Works well with abstract concepts
Workflow: Iterative Prompting
# 1. Start with basic prompt
belt app run google/veo-3-1-fast --input '{
"prompt": "A woman walking through a forest"
}'
# 2. Add specificity
belt app run google/veo-3-1-fast --input '{
"prompt": "Medium tracking shot of a woman in a red dress walking through an autumn forest"
}'
# 3. Add style and technical details
belt app run google/veo-3-1-fast --input '{
"prompt": "Cinematic medium tracking shot of a woman in a flowing red dress walking through an autumn forest, golden hour sunlight filtering through leaves, shallow depth of field, film grain, 4K"
}'
Related Skills
# Generate videos
npx skills add inference-sh/skills@ai-video-generation
# Google Veo specific
npx skills add inference-sh/skills@google-veo
# Generate images for image-to-video
npx skills add inference-sh/skills@ai-image-generation
# General prompt engineering
npx skills add inference-sh/skills@prompt-engineering
# Full platform skill
npx skills add inference-sh/skills@infsh-cli
Browse all video apps: belt app list --category video
Documentation
- Running Apps - How to run apps via CLI
- Video Generation Guide - Comprehensive video guide