Model comparison

Gemma 4 31B vs Nemotron 3 Nano Omni 30B A3B

Data verified July 27, 2026

Head-to-head evidence from 17 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

Gemma 4 31B

Google

60.19/100

Margin

16.9pts

← winning

Nemotron 3 Nano Omni 30B A3B

NVIDIA

43.32/100

2 category wins1 category wins

Public leaderboard positions: Gemma 4 31B #47 (Supported); Nemotron 3 Nano Omni 30B A3B #159 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Gemma 4 31B and Nemotron 3 Nano Omni 30B A3B share 17 comparable benchmark results. 3 of 8 categories are comparable. 13 results are unique to Gemma 4 31B; 12 to Nemotron 3 Nano Omni 30B A3B.

Updated July 27, 2026

Shared results: 17
Gemma 4 31B only: 13
Nemotron 3 Nano Omni 30B A3B only: 12
Comparable categories: 3 / 8

Pick Gemma 4 31B if you want the stronger benchmark profile. Nemotron 3 Nano Omni 30B A3B only becomes the better choice if knowledge is the priority.

Confidence note. This is a partial-evidence comparison with 17 shared benchmark results across 6 evidence categories; 3 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Gemma 4 31B is clearly ahead on the BenchAlign aggregate, 60.19 to 43.32. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Gemma 4 31B's sharpest advantage is in coding, where it averages 41.6 against 32. The single biggest benchmark swing on the page is GPQA, 84.3% to 72.2%. Nemotron 3 Nano Omni 30B A3B does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for Gemma 4 31B and Nemotron 3 Nano Omni 30B A3B
Category	Gemma 4 31B	Δ	Nemotron 3 Nano Omni 30B A3B
Knowledge	Gemma 4 31B52.9	Margin→ 23.4	Nemotron 3 Nano Omni 30B A3B76.3
Coding	Gemma 4 31B41.6	Margin← 9.6	Nemotron 3 Nano Omni 30B A3B32.0
Multimodal	Gemma 4 31B76.9	Margin← 0.6	Nemotron 3 Nano Omni 30B A3B76.3
Inst. Following	Gemma 4 31BNot measured	MarginNo overlap	Nemotron 3 Nano Omni 30B A3B74.2

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

A · Gemma 4 31BB · Nemotron 3 Nano Omni 30B A3B

GPQA
Knowledge
Source ↗
A 84.3%B 72.2%
Winner: Gemma 4 31BΔ 12.1
GPQA: Gemma 4 31B scored 84.3%; Nemotron 3 Nano Omni 30B A3B scored 72.2%. Gemma 4 31B wins this benchmark.
MMLU-Pro
Knowledge
Source ↗
A 85.2%B 77.3%
Winner: Gemma 4 31BΔ 7.9
MMLU-Pro: Gemma 4 31B scored 85.2%; Nemotron 3 Nano Omni 30B A3B scored 77.3%. Gemma 4 31B wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

Metric	Gemma 4 31B	Nemotron 3 Nano Omni 30B A3B	Comparison
Input / output priceUSD per 1M tokens	Gemma 4 31B$0 input / $0 output	Nemotron 3 Nano Omni 30B A3B$0 input / $0 output	Listed prices are equal.
Generation speedtokens per second	Gemma 4 31BNot available	Nemotron 3 Nano Omni 30B A3BNot available	A complete speed comparison is not available.
First-answer latencyseconds to first token	Gemma 4 31BNot available	Nemotron 3 Nano Omni 30B A3BNot available	A complete latency comparison is not available.
Context windowmaximum listed tokens	Gemma 4 31B256K	Nemotron 3 Nano Omni 30B A3B256K	Listed context windows are equal.

Benchmark Deep Dive

Agentic

11 benchmarks

Benchmark	Gemma 4 31B	Nemotron 3 Nano Omni 30B A3B	Result
AA Agentic IndexSource	14.4%	—	Not comparable
τ²-bench resultsSource	59.9%	45.3%	Gemma 4 31B leads
GDPval-AASource	15.5%	0.0%	Gemma 4 31B leads
GDPval-AASource	811	465	Gemma 4 31B leads
Gert LabsSource	35.26%	—	Not comparable
AA EnterpriseOps-GymSource	28.3%	—	Not comparable
AA ITBenchSource	37.3%	—	Not comparable
terminalBenchHardSource	36.4%	—	Not comparable
AA Harvey LABSource	47.2%	—	Not comparable
AA Tau3 BankingSource	15.1%	—	Not comparable
OSWorldSource	—	47.4%	Not comparable

CodingGemma 4 31B wins

5 benchmarks

Benchmark	Gemma 4 31B	Nemotron 3 Nano Omni 30B A3B	Result
SWE-RebenchSource	41.6%	—	Not comparable
React Native EvalsSource	75.2%	—	Not comparable
AA Coding IndexSource	43.4%	13.8%	Gemma 4 31B leads
AA-SciCodeSource	43.4%	27.8%	Gemma 4 31B leads
SciCodeSource	—	32%	Not comparable

Reasoning

2 benchmarks

Benchmark	Gemma 4 31B	Nemotron 3 Nano Omni 30B A3B	Result
AA-LCRSource	62.0%	35.7%	Gemma 4 31B leads
CritPtSource	1.4%	0.0%	Gemma 4 31B leads

KnowledgeNemotron 3 Nano Omni 30B A3B wins

12 benchmarks

Benchmark	Gemma 4 31B	Nemotron 3 Nano Omni 30B A3B	Result
GPQASource	84.3%	72.2%	Gemma 4 31B leads
MMLU-ProSource	85.2%	77.3%	Gemma 4 31B leads
HLESource	26.5%	—	Not comparable
HLE w/o toolsSource	19.5%	—	Not comparable
Artificial Analysis Intelligence IndexSource	29.4%	14.9%	Gemma 4 31B leads
AA-GPQA DiamondSource	85.7%	46.9%	Gemma 4 31B leads
AA-HLESource	22.7%	5.3%	Gemma 4 31B leads
AA-Omniscience IndexSource	-45.4%	-56.0%	Gemma 4 31B leads
AA-Omniscience AccuracySource	19.9%	14.8%	Gemma 4 31B leads
AA-Omniscience Hallucination RateSource	81.6%	83.1%	Gemma 4 31B leads
AA Openness IndexSource	38.9%	—	Not comparable
GPQA-DSource	—	72.2%	Not comparable

Math

1 benchmarks

Benchmark	Gemma 4 31B	Nemotron 3 Nano Omni 30B A3B	Result
AIME 2025Source	—	82.1%	Not comparable

MultimodalGemma 4 31B wins

9 benchmarks

Benchmark	Gemma 4 31B	Nemotron 3 Nano Omni 30B A3B	Result
MMMU-ProSource	76.9%	—	Not comparable
AA-MMMU-ProSource	73.4%	53.2%	Gemma 4 31B leads
MMMUSource	—	70.8%	Not comparable
MMLongBench-DocSource	—	57.5%	Not comparable
CharXivSource	—	76.3%	Not comparable
ScreenSpot ProSource	—	57.8%	Not comparable
Video-MME (w/o subtitle)Source	—	72.2%	Not comparable
AI2D_TESTSource	—	88.5%	Not comparable
RefCOCO (avg)Source	—	90.5%	Not comparable

Inst. Following

2 benchmarks

Benchmark	Gemma 4 31B	Nemotron 3 Nano Omni 30B A3B	Result
AA-IFBenchSource	75.6%	63.2%	Gemma 4 31B leads
IFBenchSource	—	74.2%	Not comparable

Frequently Asked Questions (4)

Which is better, Gemma 4 31B or Nemotron 3 Nano Omni 30B A3B?

Gemma 4 31B is ahead on BenchLM's BenchAlign leaderboard, 60.19 to 43.32. The biggest single separator in this matchup is GPQA, where the scores are 84.3% and 72.2%.

Which is better for knowledge tasks, Gemma 4 31B or Nemotron 3 Nano Omni 30B A3B?

Nemotron 3 Nano Omni 30B A3B has the edge for knowledge tasks in this comparison, averaging 76.3 versus 52.9. Inside this category, AA-GPQA Diamond is the benchmark that creates the most daylight between them.

Which is better for coding, Gemma 4 31B or Nemotron 3 Nano Omni 30B A3B?

Gemma 4 31B has the edge for coding in this comparison, averaging 41.6 versus 32. Inside this category, AA Coding Index is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Gemma 4 31B or Nemotron 3 Nano Omni 30B A3B?

Gemma 4 31B has the edge for multimodal and grounded tasks in this comparison, averaging 76.9 versus 76.3. Inside this category, AA-MMMU-Pro is the benchmark that creates the most daylight between them.

Self-host vs API cost

Estimates at 50,000 req/day · 1000 tokens/req average.

Gemma 4 31B

API / mo$0

Self-host / mo$429

Break-even—

Nemotron 3 Nano Omni 30B A3B

API / mo$0

Self-host / moNot listed

Break-even—

Proprietary model — self-hosting not applicable.

Model the full break-even

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Last updated: July 27, 2026

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