Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
DeepSeek V4 Flash (Max)
74
Grok 4.3
74
Verified leaderboard positions: DeepSeek V4 Flash (Max) #19 · Grok 4.3 unranked
Treat this as a split decision. DeepSeek V4 Flash (Max) makes more sense if coding is the priority or you want the cheaper token bill; Grok 4.3 is the better fit if its strengths line up with your actual workload.
Coding
+26.4 difference
Knowledge
+6.1 difference
DeepSeek V4 Flash (Max)
Grok 4.3
$0.14 / $0.28
$1.25 / $2.5
N/A
209 t/s
N/A
12.36s
1M
1M
Treat this as a split decision. DeepSeek V4 Flash (Max) makes more sense if coding is the priority or you want the cheaper token bill; Grok 4.3 is the better fit if its strengths line up with your actual workload.
DeepSeek V4 Flash (Max) and Grok 4.3 finish on the same provisional overall score, so this is less about a single winner and more about where the edge shows up. The provisional headline says tie; the benchmark table is where the real choice happens.
Grok 4.3 is also the more expensive model on tokens at $1.25 input / $2.50 output per 1M tokens, versus $0.14 input / $0.28 output per 1M tokens for DeepSeek V4 Flash (Max). That is roughly 8.9x on output cost alone.
DeepSeek V4 Flash (Max) and Grok 4.3 are tied on the provisional overall score, so the right pick depends on which category matters most for your use case.
DeepSeek V4 Flash (Max) has the edge for knowledge tasks in this comparison, averaging 60 versus 53.9. Inside this category, AA-Omniscience Hallucination Rate is the benchmark that creates the most daylight between them.
DeepSeek V4 Flash (Max) has the edge for coding in this comparison, averaging 73.7 versus 47.3. Inside this category, AA-SciCode is the benchmark that creates the most daylight between them.
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