Head-to-head comparison across 3benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Nemotron 3 Nano Omni 30B A3B
48
o3-mini
55
Pick o3-mini if you want the stronger benchmark profile. Nemotron 3 Nano Omni 30B A3B only becomes the better choice if coding is the priority or you want the cheaper token bill.
Coding
+4.2 difference
Knowledge
+1.7 difference
Inst. Following
+19.7 difference
Nemotron 3 Nano Omni 30B A3B
o3-mini
$0 / $0
$1.1 / $4.4
N/A
160 t/s
N/A
7.12s
256K
200K
Pick o3-mini if you want the stronger benchmark profile. Nemotron 3 Nano Omni 30B A3B only becomes the better choice if coding is the priority or you want the cheaper token bill.
o3-mini is clearly ahead on the provisional aggregate, 55 to 48. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
o3-mini's sharpest advantage is in instruction following, where it averages 93.9 against 74.2. The single biggest benchmark swing on the page is GPQA, 72.2% to 77.2%. Nemotron 3 Nano Omni 30B A3B does hit back in coding, so the answer changes if that is the part of the workload you care about most.
o3-mini is also the more expensive model on tokens at $1.10 input / $4.40 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. Nemotron 3 Nano Omni 30B A3B gives you the larger context window at 256K, compared with 200K for o3-mini.
o3-mini is ahead on BenchLM's provisional leaderboard, 55 to 48. The biggest single separator in this matchup is GPQA, where the scores are 72.2% and 77.2%.
o3-mini has the edge for knowledge tasks in this comparison, averaging 77.2 versus 75.5. Inside this category, AA-GPQA Diamond is the benchmark that creates the most daylight between them.
Nemotron 3 Nano Omni 30B A3B has the edge for coding in this comparison, averaging 53.5 versus 49.3. Inside this category, AA-SciCode is the benchmark that creates the most daylight between them.
o3-mini has the edge for instruction following in this comparison, averaging 93.9 versus 74.2. Nemotron 3 Nano Omni 30B A3B stays close enough that the answer can still flip depending on your workload.
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