Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Opus 4.5
77
MiMo-V2-Omni
83
Verified leaderboard positions: Claude Opus 4.5 #9 · MiMo-V2-Omni unranked
Pick MiMo-V2-Omni if you want the stronger benchmark profile. Claude Opus 4.5 only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
Coding
+8.9 difference
Claude Opus 4.5
MiMo-V2-Omni
$5 / $25
N/A
46 t/s
N/A
1.01s
N/A
200K
262K
Pick MiMo-V2-Omni if you want the stronger benchmark profile. Claude Opus 4.5 only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
MiMo-V2-Omni is clearly ahead on the provisional aggregate, 83 to 77. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
MiMo-V2-Omni's sharpest advantage is in coding, where it averages 74.8 against 65.9. The single biggest benchmark swing on the page is SWE-bench Verified, 80.9% to 74.8%.
MiMo-V2-Omni is the reasoning model in the pair, while Claude Opus 4.5 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-Omni gives you the larger context window at 262K, compared with 200K for Claude Opus 4.5.
MiMo-V2-Omni is ahead on BenchLM's provisional leaderboard, 83 to 77. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 80.9% and 74.8%.
MiMo-V2-Omni has the edge for coding in this comparison, averaging 74.8 versus 65.9. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
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