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FastVLMSeptember 24, 2026

FastVLM vs LLaVA-OneVision

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FastVLM vs LLaVA-OneVision
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SOURCE-QUALIFIED COMPARISON

A source-qualified reading of Apple’s reported FastVLM-0.5B and LLaVA-OneVision-0.5B comparison.

All comparisons

Comparison conditionFastVLM-0.5BLLaVA-OneVision-0.5B
LLM sizeSame 0.5B classSame 0.5B class
Compared resolutionHighest tested: 1152×1152Highest tested: 1152×1152
Time to first tokenUp to 85× faster (Apple report)Reference baseline
Vision encoder size3.4× smaller (Apple report)Reference baseline
Key benchmark resultBetter on SeedBench, MMMU and DocVQA in the cited setupComparison baseline

What 85× does—and does not—mean

It is not a universal claim that every FastVLM configuration is 85× faster than every LLaVA configuration. It describes Apple’s reported comparison using the same 0.5B LLM class at the highest tested 1152×1152 resolution, measured as time-to-first-token.

Read the paper · Open Transformers overview

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