Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Sibling matchup inside the Gemma 4 family.
Gemma 4 E2B
27
Gemma 4 E4B
39
Gemma 4 E2B makes more sense if you want this variant’s specific profile, while Gemma 4 E4B is the cleaner fit if knowledge is the priority.
Knowledge
+11.5 difference
Gemma 4 E2B
Gemma 4 E4B
$0 / $0
$0 / $0
N/A
N/A
N/A
N/A
128K
128K
Gemma 4 E2B makes more sense if you want this variant’s specific profile, while Gemma 4 E4B is the cleaner fit if knowledge is the priority.
Gemma 4 E2B and Gemma 4 E4B sit in the same Gemma 4 family. This page is less about two unrelated model lineages and more about how the siblings trade off on benchmark shape, token costs, and practical limits like context window.
Gemma 4 E4B is clearly ahead on the provisional aggregate, 39 to 27. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Gemma 4 E4B's sharpest advantage is in knowledge, where it averages 65.6 against 54.1. The single biggest benchmark swing on the page is GPQA, 43.4% to 58.6%.
Gemma 4 E2B and Gemma 4 E4B are sibling variants in the Gemma 4 family, so the right pick depends on whether you value the better benchmark line, cheaper tokens, or the larger context window. Gemma 4 E4B is ahead on BenchLM's provisional leaderboard 39 to 27.
Gemma 4 E4B has the edge for knowledge tasks in this comparison, averaging 65.6 versus 54.1. Inside this category, GPQA is the benchmark that creates the most daylight between them.
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