Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Gemma 4 12B
53
GPT-5.4 nano
59
Pick GPT-5.4 nano if you want the stronger benchmark profile. Gemma 4 12B only becomes the better choice if knowledge is the priority.
Knowledge
+24.6 difference
Multimodal
+3.0 difference
Gemma 4 12B
GPT-5.4 nano
N/A
$0.2 / $1.25
N/A
191 t/s
N/A
3.64s
256K
400K
Pick GPT-5.4 nano if you want the stronger benchmark profile. Gemma 4 12B only becomes the better choice if knowledge is the priority.
GPT-5.4 nano is clearly ahead on the provisional aggregate, 59 to 53. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.4 nano gives you the larger context window at 400K, compared with 256K for Gemma 4 12B.
GPT-5.4 nano is ahead on BenchLM's provisional leaderboard, 59 to 53. The biggest single separator in this matchup is GPQA, where the scores are 78.8% and 82.8%.
Gemma 4 12B has the edge for knowledge tasks in this comparison, averaging 77.8 versus 53.2. Inside this category, HLE w/o tools is the benchmark that creates the most daylight between them.
Gemma 4 12B has the edge for multimodal and grounded tasks in this comparison, averaging 69.1 versus 66.1. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
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