9router-image

name 9router-image description Generate images via 9Router /v1/images/generations using OpenAI / Gemini Imagen / DALL-E / FLUX / MiniMax / SDWebUI / ComfyUI / Codex models. Use when the user wants to create, generate, draw, or render an image, picture, or text-to-image (txt2img). 9Router — Image Generation Requires NINEROUTER_URL (and NINEROUTER_KEY if auth enabled). See https://raw.githubusercontent.com/decolua/9router/refs/heads/master/skills/9router/SKILL.md for setup. Discover curl $NINEROUTER_URL /v1/models/image | jq '.data[].id' # Per-model params/options (size enum, quality enum, capabilities like edit) curl " $NINEROUTER_URL /v1/models/info?id=openai/dall-e-3" Endpoint POST $NINEROUTER_URL/v1/images/generations Field Required Notes model yes from /v1/models/image prompt yes image description n no count (provider-dependent) size no 1024x1024 , 1792x1024 , ... quality no standard / hd (OpenAI) response_format no url (default) or b64_json Add query ?response_format=binary to receive raw image bytes (handy for saving file). Examples Save to file (binary): curl -X POST " $NINEROUTER_URL /v1/images/generations?response_format=binary" \ -H "Authorization: Bearer $NINEROUTER_KEY " \ -H "Content-Type: application/json" \ -d '{"model":"gemini/gemini-3-pro-image-preview","prompt":"watercolor mountains at sunrise","size":"1024x1024"}' \ --output out.png JS (URL response): const r = await fetch ( ` ${process.env.NINEROUTER_URL} /v1/images/generations` , { method : "POST" , headers : { "Authorization" : `Bearer ${process.env.NINEROUTER_KEY} ` , "Content-Type" : "application/json" }, body : JSON . stringify ({ model : "gemini/gemini-3-pro-image-preview" , prompt : "neon city" , size : "1024x1024" }), }); const { data } = await r. json (); console . log (data[ 0 ]. url || data[ 0 ]. b64_json . slice ( 0 , 40 )); Response shape JSON (default response_format=url ): { "created" : 1735000000 , "data" : [ { "url" : "https://..." } ] } response_format=b64_json : { "created" : 1735000000 , "data" : [ { "b64_json" : "iVBORw0KGgo..." } ] } Query ?response_format=binary returns raw image bytes (Content-Type image/png or image/jpeg ). Provider quirks Common fields above work everywhere. These add/override: Provider Extra/changed fields Notes openai , minimax , openrouter , recraft quality , style , response_format Standard OpenAI shape gemini (nano-banana) — Only prompt ; ignores size / n codex (gpt-5.4-image) image , images[] , image_detail , output_format , background SSE stream; ChatGPT Plus/Pro required huggingface — Only prompt ; returns single image nanobanana image , images[] (edit mode) size → aspect ratio; async polling fal-ai image (img2img) n → num_images ; size → ratio; async stability-ai style (preset), output_format size → aspect_ratio black-forest-labs (FLUX) image (ref) size → exact width / height ; async runwayml image (ref) size → ratio; async; video models exist sdwebui , comfyui — Localhost noAuth ( :7860 / :8188 )