Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Grok 4.3
79
MiMo-V2.5-Pro
87
Pick MiMo-V2.5-Pro if you want the stronger benchmark profile. Grok 4.3 only becomes the better choice if knowledge is the priority.
Coding
+9.9 difference
Knowledge
+5.9 difference
Grok 4.3
MiMo-V2.5-Pro
$1.25 / $2.5
$null / $null
209 t/s
N/A
12.36s
N/A
1M
1M
Pick MiMo-V2.5-Pro if you want the stronger benchmark profile. Grok 4.3 only becomes the better choice if knowledge is the priority.
MiMo-V2.5-Pro is clearly ahead on the provisional aggregate, 87 to 79. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
MiMo-V2.5-Pro's sharpest advantage is in coding, where it averages 57.2 against 47.3. The single biggest benchmark swing on the page is HLE, 35% to 48%. Grok 4.3 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
MiMo-V2.5-Pro is ahead on BenchLM's provisional leaderboard, 87 to 79. The biggest single separator in this matchup is HLE, where the scores are 35% and 48%.
Grok 4.3 has the edge for knowledge tasks in this comparison, averaging 53.9 versus 48. Inside this category, HLE is the benchmark that creates the most daylight between them.
MiMo-V2.5-Pro has the edge for coding in this comparison, averaging 57.2 versus 47.3. Grok 4.3 stays close enough that the answer can still flip depending on your workload.
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