Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
DeepSeek V4 Flash
59
Grok Code Fast 1
40
Verified leaderboard positions: DeepSeek V4 Flash #23 · Grok Code Fast 1 unranked
Pick DeepSeek V4 Flash if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority.
Coding
+13.7 difference
DeepSeek V4 Flash
Grok Code Fast 1
$0.14 / $0.28
$0.2 / $1.5
N/A
172 t/s
N/A
2.81s
1M
256K
Pick DeepSeek V4 Flash if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority.
DeepSeek V4 Flash is clearly ahead on the provisional aggregate, 59 to 40. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok Code Fast 1 is also the more expensive model on tokens at $0.20 input / $1.50 output per 1M tokens, versus $0.14 input / $0.28 output per 1M tokens for DeepSeek V4 Flash. That is roughly 5.4x on output cost alone. DeepSeek V4 Flash gives you the larger context window at 1M, compared with 256K for Grok Code Fast 1.
DeepSeek V4 Flash is ahead on BenchLM's provisional leaderboard, 59 to 40. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 73.7% and 70.8%.
Grok Code Fast 1 has the edge for coding in this comparison, averaging 70.8 versus 57.1. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
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