Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Gemma 4 E4B
37
Mellum2-12B-A2.5B-Thinking
59
Pick Mellum2-12B-A2.5B-Thinking if you want the stronger benchmark profile. Gemma 4 E4B only becomes the better choice if knowledge is the priority.
Knowledge
+8.0 difference
Gemma 4 E4B
Mellum2-12B-A2.5B-Thinking
$0 / $0
N/A
N/A
N/A
N/A
N/A
128K
128K
Pick Mellum2-12B-A2.5B-Thinking if you want the stronger benchmark profile. Gemma 4 E4B only becomes the better choice if knowledge is the priority.
Mellum2-12B-A2.5B-Thinking is clearly ahead on the provisional aggregate, 59 to 37. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Mellum2-12B-A2.5B-Thinking is ahead on BenchLM's provisional leaderboard, 59 to 37. The biggest single separator in this matchup is GPQA, where the scores are 58.6% and 57.6%.
Gemma 4 E4B has the edge for knowledge tasks in this comparison, averaging 65.6 versus 57.6. Inside this category, GPQA is the benchmark that creates the most daylight between them.
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