Unverified50% confidenceFactExact time
The reason multimodal input costs are high is that models need to convert images or PDFs into hundreds to tens of thousands of tokens through a visual encoder (such as ViT architecture), and inference costs are approximately linearly correlated with the number of input tokens.
1
Sources
50%
Confidence
Long-term
Relevance
8/7/2026
First Seen
Sources
免费AI大模型实测：Gemini为何成了唯一能用的选择
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