Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude 4 Sonnet
52
Claude Sonnet 4.6
85
Pick Claude Sonnet 4.6 if you want the stronger benchmark profile. Claude 4 Sonnet only becomes the better choice if coding is the priority.
Coding
+6.3 difference
Claude 4 Sonnet
Claude Sonnet 4.6
$null / $null
$3 / $15
40 t/s
44 t/s
1.33s
1.48s
200K
200K
Pick Claude Sonnet 4.6 if you want the stronger benchmark profile. Claude 4 Sonnet only becomes the better choice if coding is the priority.
Claude Sonnet 4.6 is clearly ahead on the provisional aggregate, 85 to 52. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Sonnet 4.6 is ahead on BenchLM's provisional leaderboard, 85 to 52. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 72.7% and 79.6%.
Claude 4 Sonnet has the edge for coding in this comparison, averaging 72.7 versus 66.4. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
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