Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Mythos Preview
99
MiMo-V2-Omni
83
Verified leaderboard positions: Claude Mythos Preview #1 · MiMo-V2-Omni unranked
Pick Claude Mythos Preview if you want the stronger benchmark profile. MiMo-V2-Omni only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Coding
+9.0 difference
Claude Mythos Preview
MiMo-V2-Omni
$25 / $125
N/A
N/A
N/A
N/A
N/A
1M
262K
Pick Claude Mythos Preview if you want the stronger benchmark profile. MiMo-V2-Omni only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Claude Mythos Preview is clearly ahead on the provisional aggregate, 99 to 83. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Mythos Preview's sharpest advantage is in coding, where it averages 83.8 against 74.8. The single biggest benchmark swing on the page is SWE-bench Verified, 93.9% to 74.8%.
Claude Mythos Preview gives you the larger context window at 1M, compared with 262K for MiMo-V2-Omni.
Claude Mythos Preview is ahead on BenchLM's provisional leaderboard, 99 to 83. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 93.9% and 74.8%.
Claude Mythos Preview has the edge for coding in this comparison, averaging 83.8 versus 74.8. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
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