Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude 4 Sonnet
52
GPT-5.4
93
Verified leaderboard positions: Claude 4 Sonnet unranked · GPT-5.4 #4
Pick GPT-5.4 if you want the stronger benchmark profile. Claude 4 Sonnet 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
+15.0 difference
Claude 4 Sonnet
GPT-5.4
$null / $null
$2.5 / $15
40 t/s
74 t/s
1.33s
151.79s
200K
1.05M
Pick GPT-5.4 if you want the stronger benchmark profile. Claude 4 Sonnet 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.
GPT-5.4 is clearly ahead on the provisional aggregate, 93 to 52. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.4 is the reasoning model in the pair, while Claude 4 Sonnet 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. GPT-5.4 gives you the larger context window at 1.05M, compared with 200K for Claude 4 Sonnet.
GPT-5.4 is ahead on BenchLM's provisional leaderboard, 93 to 52.
Claude 4 Sonnet has the edge for coding in this comparison, averaging 72.7 versus 57.7. GPT-5.4 stays close enough that the answer can still flip depending on your workload.
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