Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude 4.1 Opus
53
Kimi K2.5
68
Verified leaderboard positions: Claude 4.1 Opus unranked · Kimi K2.5 #9
Pick Kimi K2.5 if you want the stronger benchmark profile. Claude 4.1 Opus only becomes the better choice if coding is the priority.
Coding
+10.3 difference
Claude 4.1 Opus
Kimi K2.5
$null / $null
$0.5 / $2.8
29 t/s
45 t/s
1.66s
2.38s
200K
256K
Pick Kimi K2.5 if you want the stronger benchmark profile. Claude 4.1 Opus only becomes the better choice if coding is the priority.
Kimi K2.5 is clearly ahead on the provisional aggregate, 68 to 53. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Kimi K2.5 gives you the larger context window at 256K, compared with 200K for Claude 4.1 Opus.
Kimi K2.5 is ahead on BenchLM's provisional leaderboard, 68 to 53. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 74.5% and 76.8%.
Claude 4.1 Opus has the edge for coding in this comparison, averaging 74.5 versus 64.2. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Estimates at 50,000 req/day · 1000 tokens/req average.
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