Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Grok 4.3
79
MiMo-V2.5
71
Pick Grok 4.3 if you want the stronger benchmark profile. MiMo-V2.5 only becomes the better choice if coding is the priority.
Coding
+8.8 difference
Multimodal
+0.8 difference
Grok 4.3
MiMo-V2.5
$1.25 / $2.5
$null / $null
209 t/s
N/A
12.36s
N/A
1M
1M
Pick Grok 4.3 if you want the stronger benchmark profile. MiMo-V2.5 only becomes the better choice if coding is the priority.
Grok 4.3 is clearly ahead on the provisional aggregate, 79 to 71. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok 4.3 is ahead on BenchLM's provisional leaderboard, 79 to 71. The biggest single separator in this matchup is MMMU-Pro, where the scores are 78.1% and 77.9%.
MiMo-V2.5 has the edge for coding in this comparison, averaging 56.1 versus 47.3. Grok 4.3 stays close enough that the answer can still flip depending on your workload.
MiMo-V2.5 has the edge for multimodal and grounded tasks in this comparison, averaging 78.9 versus 78.1. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
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