E-commerce image captions: BLIP, Llava, or GPT-4o Vision?

Review: - BLIP variants: Strong for simple catalogs; fast and cheap. - Llava: Good open-source option; benefits from light fine-tuning. - GPT-4o Vision: Best for nuanced attributes and defects; higher cost. Tips: Provide category context and brand rules; validate attributes against catalog fields; human review for compliance. For scale, run open-source for bulk, GPT-4o for edge cases.