# Moondream2 > Small but capable vision-language model (14M+ runs) — ask free-form questions about any image. Efficient VQA for tagging, moderation prep, and alt-text. - **Provider**: replicate - **Model ID**: lucataco/moondream2 - **Category**: image_video_caption - **Credits**: 5 per request - **Pricing Type**: fixed ## API Endpoint Base URL: https://api.core.today/v1 ### Create Prediction POST /predictions ### Get Status GET /predictions/{job_id} ### Cancel DELETE /predictions/{job_id} ## Authentication Header: `X-API-Key: YOUR_API_KEY` ## Input Parameters - `image` (string, **required**): Input image - `prompt` (string, optional): Input prompt (Default: `Describe this image`) ## Example Request ```json { "model": "lucataco/moondream2", "input": { "image": "https://replicate.delivery/pbxt/KZKNhDQHqycw8Op7w056J8YTX5Bnb7xVcLiyB4le7oUgT2cY/moondream2.png", "prompt": "Describe this image" } } ``` ## Response Format ```json { "job_id": "abc123", "status": "pending", "provider": "replicate", "model": "black-forest-labs/flux-schnell", "created_at": "2026-01-01T00:00:00Z", "result": null, "error": null } ``` Status values: `pending`, `processing`, `completed`, `failed`, `cancelled` ## Usage Flow 1. POST /predictions with model and input → receive job_id 2. Poll GET /predictions/{job_id} until status is `completed` or `failed` 3. Result contains output URL(s) or data ## Output Type json ## Tags vqa, vision-language, image-captioning, moondream, efficient ## Documentation https://replicate.com/lucataco/moondream2