Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude 4.1 Opus
53
MiMo-V2-Flash
62
Pick MiMo-V2-Flash if you want the stronger benchmark profile. Claude 4.1 Opus 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
+1.1 difference
Claude 4.1 Opus
MiMo-V2-Flash
$null / $null
$0 / $0
29 t/s
129 t/s
1.66s
2.14s
200K
256K
Pick MiMo-V2-Flash if you want the stronger benchmark profile. Claude 4.1 Opus 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-Flash is clearly ahead on the provisional aggregate, 62 to 53. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
MiMo-V2-Flash is the reasoning model in the pair, while Claude 4.1 Opus 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-Flash gives you the larger context window at 256K, compared with 200K for Claude 4.1 Opus.
MiMo-V2-Flash is ahead on BenchLM's provisional leaderboard, 62 to 53. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 74.5% and 73.4%.
Claude 4.1 Opus has the edge for coding in this comparison, averaging 74.5 versus 73.4. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
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