Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Interfaze Beta
76
Mellum2-12B-A2.5B-Instruct
27
Pick Interfaze Beta if you want the stronger benchmark profile. Mellum2-12B-A2.5B-Instruct only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
Knowledge
+49.0 difference
Interfaze Beta
Mellum2-12B-A2.5B-Instruct
$1.5 / $3.5
N/A
N/A
N/A
N/A
N/A
1M
128K
Pick Interfaze Beta if you want the stronger benchmark profile. Mellum2-12B-A2.5B-Instruct only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
Interfaze Beta is clearly ahead on the provisional aggregate, 76 to 27. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Interfaze Beta's sharpest advantage is in knowledge, where it averages 89.9 against 40.9. The single biggest benchmark swing on the page is GPQA, 89.9% to 40.9%.
Interfaze Beta is the reasoning model in the pair, while Mellum2-12B-A2.5B-Instruct is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Interfaze Beta gives you the larger context window at 1M, compared with 128K for Mellum2-12B-A2.5B-Instruct.
Interfaze Beta is ahead on BenchLM's provisional leaderboard, 76 to 27. The biggest single separator in this matchup is GPQA, where the scores are 89.9% and 40.9%.
Interfaze Beta has the edge for knowledge tasks in this comparison, averaging 89.9 versus 40.9. Inside this category, GPQA is the benchmark that creates the most daylight between them.
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