Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
DeepSeek V4 Pro (High)
83
Mellum2-12B-A2.5B-Thinking
59
Verified leaderboard positions: DeepSeek V4 Pro (High) #11 · Mellum2-12B-A2.5B-Thinking unranked
Pick DeepSeek V4 Pro (High) 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
+3.9 difference
Knowledge
+5.0 difference
DeepSeek V4 Pro (High)
Mellum2-12B-A2.5B-Thinking
$1.74 / $3.48
N/A
N/A
N/A
N/A
N/A
1M
128K
Pick DeepSeek V4 Pro (High) 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.
DeepSeek V4 Pro (High) is clearly ahead on the provisional aggregate, 83 to 59. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
DeepSeek V4 Pro (High)'s sharpest advantage is in knowledge, where it averages 62.6 against 57.6. The single biggest benchmark swing on the page is GPQA, 89.1% to 57.6%.
DeepSeek V4 Pro (High) gives you the larger context window at 1M, compared with 128K for Mellum2-12B-A2.5B-Thinking.
DeepSeek V4 Pro (High) is ahead on BenchLM's provisional leaderboard, 83 to 59. The biggest single separator in this matchup is GPQA, where the scores are 89.1% and 57.6%.
DeepSeek V4 Pro (High) has the edge for knowledge tasks in this comparison, averaging 62.6 versus 57.6. Inside this category, GPQA is the benchmark that creates the most daylight between them.
DeepSeek V4 Pro (High) has the edge for coding in this comparison, averaging 73.8 versus 69.9. Inside this category, LiveCodeBench is the benchmark that creates the most daylight between them.
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