Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
GPT-4.1
58
Grok Code Fast 1
40
Pick GPT-4.1 if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority or you want the cheaper token bill.
Coding
+16.2 difference
GPT-4.1
Grok Code Fast 1
$2 / $8
$0.2 / $1.5
108 t/s
172 t/s
1.02s
2.81s
1M
256K
Pick GPT-4.1 if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority or you want the cheaper token bill.
GPT-4.1 is clearly ahead on the provisional aggregate, 58 to 40. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-4.1 is also the more expensive model on tokens at $2.00 input / $8.00 output per 1M tokens, versus $0.20 input / $1.50 output per 1M tokens for Grok Code Fast 1. That is roughly 5.3x on output cost alone. GPT-4.1 gives you the larger context window at 1M, compared with 256K for Grok Code Fast 1.
GPT-4.1 is ahead on BenchLM's provisional leaderboard, 58 to 40. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 54.6% and 70.8%.
Grok Code Fast 1 has the edge for coding in this comparison, averaging 70.8 versus 54.6. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
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