Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Grok Code Fast 1
42
MiMo-V2.5-Pro
82
Pick MiMo-V2.5-Pro if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority or you would rather avoid the extra latency and token burn of a reasoning model.
Coding
+13.6 difference
Grok Code Fast 1
MiMo-V2.5-Pro
$null / $null
$1 / $3
172 t/s
N/A
2.81s
N/A
256K
1M
Pick MiMo-V2.5-Pro if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority or you would rather avoid the extra latency and token burn of a reasoning model.
MiMo-V2.5-Pro is clearly ahead on the provisional aggregate, 82 to 42. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
MiMo-V2.5-Pro is the reasoning model in the pair, while Grok Code Fast 1 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. MiMo-V2.5-Pro gives you the larger context window at 1M, compared with 256K for Grok Code Fast 1.
MiMo-V2.5-Pro is ahead on BenchLM's provisional leaderboard, 82 to 42.
Grok Code Fast 1 has the edge for coding in this comparison, averaging 70.8 versus 57.2. MiMo-V2.5-Pro stays close enough that the answer can still flip depending on your workload.
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