Design
76 installs
nano-banana-pro-openrouter
by github/awesome-copilot
Generate or edit images via OpenRouter with the Gemini 3 Pro Image model. Use for prompt-only image generation, image edits, and multi-image compositing;…
Skill content
Image generation and editing via OpenRouter's Gemini 3 Pro model with multi-image compositing support.
- Supports three workflows: prompt-only generation, single-image editing, and multi-image composition (up to 3 images per request)
- Output resolution options: 1K, 2K, or 4K (defaults to 1K)
- Customizable behavior through optional system prompt template in assets/SYSTEM_TEMPLATE
- Requires OPENROUTER_API_KEY environment variable and uv package manager; includes troubleshooting guidance for authentication and dependency issues
Nano Banana Pro OpenRouter
Overview
Generate or edit images with OpenRouter using the google/gemini-3-pro-image-preview model. Support prompt-only generation, single-image edits, and multi-image composition.
Prompt-only generation
uv run {baseDir}/scripts/generate_image.py \
--prompt "A cinematic sunset over snow-capped mountains" \
--filename sunset.png
Edit a single image