Best fit
- accessibility alt text
- product image descriptions
- editorial preview text
- image metadata enrichment
Recommended stack
- vision-capable model
- structured outputs if your app expects typed fields like
alt_text - batch when captioning large image collections offline
Workflow
- send the image as a data URI
- ask for a concise, objective caption
- switch to a JSON schema if your app needs structured fields
- batch the workflow when the volume grows