Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
DeepSeek V4 Flash Base
31
Gemini 3 Pro Deep Think
90
Pick Gemini 3 Pro Deep Think if you want the stronger benchmark profile. DeepSeek V4 Flash Base only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
Reasoning
+0.4 difference
DeepSeek V4 Flash Base
Gemini 3 Pro Deep Think
$null / $null
$null / $null
N/A
N/A
N/A
N/A
1M
2M
Pick Gemini 3 Pro Deep Think if you want the stronger benchmark profile. DeepSeek V4 Flash Base only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
Gemini 3 Pro Deep Think is clearly ahead on the provisional aggregate, 90 to 31. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Gemini 3 Pro Deep Think's sharpest advantage is in reasoning, where it averages 45.1 against 44.7.
Gemini 3 Pro Deep Think is the reasoning model in the pair, while DeepSeek V4 Flash Base 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. Gemini 3 Pro Deep Think gives you the larger context window at 2M, compared with 1M for DeepSeek V4 Flash Base.
Gemini 3 Pro Deep Think is ahead on BenchLM's provisional leaderboard, 90 to 31.
Gemini 3 Pro Deep Think has the edge for reasoning in this comparison, averaging 45.1 versus 44.7. DeepSeek V4 Flash Base stays close enough that the answer can still flip depending on your workload.
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