Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
GPT-5.4 nano
61
Nemotron 3 Nano Omni 30B A3B
56
Pick GPT-5.4 nano if you want the stronger benchmark profile. Nemotron 3 Nano Omni 30B A3B only becomes the better choice if knowledge is the priority or you want the cheaper token bill.
Knowledge
+22.3 difference
Multimodal
+10.2 difference
GPT-5.4 nano
Nemotron 3 Nano Omni 30B A3B
$0.2 / $1.25
$0 / $0
191 t/s
N/A
3.64s
N/A
400K
256K
Pick GPT-5.4 nano if you want the stronger benchmark profile. Nemotron 3 Nano Omni 30B A3B only becomes the better choice if knowledge is the priority or you want the cheaper token bill.
GPT-5.4 nano is clearly ahead on the provisional aggregate, 61 to 56. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.4 nano is also the more expensive model on tokens at $0.20 input / $1.25 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Nemotron 3 Nano Omni 30B A3B. That is roughly Infinityx on output cost alone. GPT-5.4 nano gives you the larger context window at 400K, compared with 256K for Nemotron 3 Nano Omni 30B A3B.
GPT-5.4 nano is ahead on BenchLM's provisional leaderboard, 61 to 56. The biggest single separator in this matchup is GPQA, where the scores are 82.8% and 72.2%.
Nemotron 3 Nano Omni 30B A3B has the edge for knowledge tasks in this comparison, averaging 75.5 versus 53.2. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Nemotron 3 Nano Omni 30B A3B has the edge for multimodal and grounded tasks in this comparison, averaging 76.3 versus 66.1. GPT-5.4 nano stays close enough that the answer can still flip depending on your workload.
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