Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Mellum2-12B-A2.5B-Thinking
59
Mistral Medium 3.5 128B
78
Pick Mistral Medium 3.5 128B if you want the stronger benchmark profile. Mellum2-12B-A2.5B-Thinking only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Coding
+7.7 difference
Mellum2-12B-A2.5B-Thinking
Mistral Medium 3.5 128B
N/A
$1.5 / $7.5
N/A
N/A
N/A
N/A
128K
256K
Pick Mistral Medium 3.5 128B if you want the stronger benchmark profile. Mellum2-12B-A2.5B-Thinking only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Mistral Medium 3.5 128B is clearly ahead on the provisional aggregate, 78 to 59. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Mistral Medium 3.5 128B's sharpest advantage is in coding, where it averages 77.6 against 69.9.
Mistral Medium 3.5 128B gives you the larger context window at 256K, compared with 128K for Mellum2-12B-A2.5B-Thinking.
Mistral Medium 3.5 128B is ahead on BenchLM's provisional leaderboard, 78 to 59.
Mistral Medium 3.5 128B has the edge for coding in this comparison, averaging 77.6 versus 69.9. Mellum2-12B-A2.5B-Thinking stays close enough that the answer can still flip depending on your workload.
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