@jerryjliu0: We benchmarked Gemini 3.6 Flash and Gemini 3.5 Flash Lite on document understanding. We compared against their prior ve…

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Summary

This tweet benchmarks Gemini 3.6 Flash and Gemini 3.5 Flash Lite on document understanding, finding that while the Flash series initially excelled at visual understanding, recent versions have plateaued or regressed due to posttraining for coding and reasoning.

We benchmarked Gemini 3.6 Flash and Gemini 3.5 Flash Lite on document understanding. We compared against their prior versions - Gemini 3.5 Flash and Gemini 3.1 Flash Lite. Gemini 3.6 Flash has roughly similar performance, though it does go down 14% in chart understanding Gemini 3.5 Flash Lite improves on layout detection by 11%, though it regresses on tables by ~12% In general it seems like while Gemini 3 Flash was well tuned for document understanding, subsequent versions have been posttrained for coding and reasoning, which has led to a plateau in visual recognition capabilities. It would be interesting to see if Google starts to prioritize visual understanding again with the Flash series, or if they're also going all in on reasoning models. Check out these results and more on ParseBench: https://parsebench.ai
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We benchmarked Gemini 3.6 Flash and Gemini 3.5 Flash Lite on document understanding.

We compared against their prior versions - Gemini 3.5 Flash and Gemini 3.1 Flash Lite.

Gemini 3.6 Flash has roughly similar performance, though it does go down 14% in chart understanding Gemini 3.5 Flash Lite improves on layout detection by 11%, though it regresses on tables by ~12%

In general it seems like while Gemini 3 Flash was well tuned for document understanding, subsequent versions have been posttrained for coding and reasoning, which has led to a plateau in visual recognition capabilities.

It would be interesting to see if Google starts to prioritize visual understanding again with the Flash series, or if they’re also going all in on reasoning models.

Check out these results and more on ParseBench: https://parsebench.ai

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