Analyze one or more images with a vision model and return the text result. Accepts 1 to 9 images (local path, URL, data URI, or base64; types can be mixed). Pass several images to compare, diff, or combine them — the model sees them in the given order. Use for reading screenshots, photos, charts, UI states, document pages, etc.

Describe the image content: subject, layout, text, details. Accepts 1 to 9 images; each image is described in the given order. Equivalent to analyze_image with the default description instruction.

OCR: transcribe all text in the image(s), preserving reading order and paragraph structure. Accepts 1 to 9 images; transcripts follow the given order. Suitable for screenshots, scans, invoices, slides, etc.

List all registered vision model providers, their default models, and configuration status. Providers without keys will error when called.