Model comparison
GPT-5.4 nano vs Nemotron 3 Nano Omni 30B A3B
Head-to-head evidence from 16 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: GPT-5.4 nano #28 (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. GPT-5.4 nano and Nemotron 3 Nano Omni 30B A3B share 16 comparable benchmark results. 2 of 8 categories are comparable. 13 results are unique to GPT-5.4 nano; 13 to Nemotron 3 Nano Omni 30B A3B.
Updated July 27, 2026- Shared results
- 16
- GPT-5.4 nano only
- 13
- Nemotron 3 Nano Omni 30B A3B only
- 13
- Comparable categories
- 2 / 8
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.
Confidence note. This is a partial-evidence comparison with 16 shared benchmark results across 6 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
GPT-5.4 nano is clearly ahead on the BenchAlign aggregate, 65.98 to 43.32. 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.
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 | GPT-5.4 nano | Δ | Nemotron 3 Nano Omni 30B A3B |
|---|---|---|---|
| Knowledge | GPT-5.4 nano43.8 | Margin→ 32.5 | Nemotron 3 Nano Omni 30B A3B76.3 |
| Multimodal | GPT-5.4 nano66.1 | Margin→ 10.2 | Nemotron 3 Nano Omni 30B A3B76.3 |
| Agentic | GPT-5.4 nano42.9 | MarginNo overlap | Nemotron 3 Nano Omni 30B A3BNot measured |
| Coding | GPT-5.4 nanoNot measured | MarginNo overlap | Nemotron 3 Nano Omni 30B A3B32.0 |
| Math | GPT-5.4 nano21.0 | MarginNo overlap | Nemotron 3 Nano Omni 30B A3BNot measured |
| Inst. Following | GPT-5.4 nanoNot 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.
More
- Source ↗
GPQA
KnowledgeA 82.8%B 72.2%Winner: GPT-5.4 nanoΔ 10.6GPQA: GPT-5.4 nano scored 82.8%; Nemotron 3 Nano Omni 30B A3B scored 72.2%. GPT-5.4 nano wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | GPT-5.4 nano | Nemotron 3 Nano Omni 30B A3B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | GPT-5.4 nano$0.2 input / $1.25 output | Nemotron 3 Nano Omni 30B A3B$0 input / $0 output | Nemotron 3 Nano Omni 30B A3B has the lower combined listed price. |
| Generation speedtokens per second | GPT-5.4 nano191 tok/s | Nemotron 3 Nano Omni 30B A3BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | GPT-5.4 nano3.64 s | Nemotron 3 Nano Omni 30B A3BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | GPT-5.4 nano400K | Nemotron 3 Nano Omni 30B A3B256K | GPT-5.4 nano lists the larger context window. |
Benchmark Deep Dive
Agentic10 benchmarks
| Benchmark | GPT-5.4 nano | Nemotron 3 Nano Omni 30B A3B | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 46.3% | — | Not comparable |
| OSWorld-VerifiedSource | 39% | — | Not comparable |
| MCP AtlasSource | 56.1% | — | Not comparable |
| ToolathlonSource | 35.5% | — | Not comparable |
| τ²-bench resultsSource | 76% | 45.3% | GPT-5.4 nano leads |
| AA Agentic IndexSource | 27.5% | — | Not comparable |
| APEX-Agents-AASource | 24.9% | — | Not comparable |
| GDPval-AASource | 30.1% | 0.0% | GPT-5.4 nano leads |
| GDPval-AASource | 1101 | 465 | GPT-5.4 nano leads |
| OSWorldSource | — | 47.4% | Not comparable |
Coding4 benchmarks
Reasoning2 benchmarks
KnowledgeNemotron 3 Nano Omni 30B A3B wins11 benchmarks
| Benchmark | GPT-5.4 nano | Nemotron 3 Nano Omni 30B A3B | Result |
|---|---|---|---|
| GPQASource | 82.8% | 72.2% | GPT-5.4 nano leads |
| HLESource | 37.7% | — | Not comparable |
| HLE w/o toolsSource | 24.3% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 38.2% | 14.9% | GPT-5.4 nano leads |
| AA-GPQA DiamondSource | 81.7% | 46.9% | GPT-5.4 nano leads |
| AA-HLESource | 26.5% | 5.3% | GPT-5.4 nano leads |
| AA-Omniscience IndexSource | -29.5% | -56.0% | GPT-5.4 nano leads |
| AA-Omniscience AccuracySource | 25.4% | 14.8% | GPT-5.4 nano leads |
| AA-Omniscience Hallucination RateSource | 73.6% | 83.1% | GPT-5.4 nano leads |
| MMLU-ProSource | — | 77.3% | Not comparable |
| GPQA-DSource | — | 72.2% | Not comparable |
Math3 benchmarks
MultimodalNemotron 3 Nano Omni 30B A3B wins10 benchmarks
| Benchmark | GPT-5.4 nano | Nemotron 3 Nano Omni 30B A3B | Result |
|---|---|---|---|
| MMMU-ProSource | 66.1% | — | Not comparable |
| MMMU-Pro w/ PythonSource | 69.5% | — | Not comparable |
| AA-MMMU-ProSource | 65.4% | 53.2% | GPT-5.4 nano 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 |
Frequently Asked Questions (3)
Which is better, GPT-5.4 nano or Nemotron 3 Nano Omni 30B A3B?
GPT-5.4 nano is ahead on BenchLM's BenchAlign leaderboard, 65.98 to 43.32. The biggest single separator in this matchup is GPQA, where the scores are 82.8% and 72.2%.
Which is better for knowledge tasks, GPT-5.4 nano 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 43.8. Inside this category, AA-GPQA Diamond is the benchmark that creates the most daylight between them.
Which is better for multimodal and grounded tasks, GPT-5.4 nano or Nemotron 3 Nano Omni 30B A3B?
Nemotron 3 Nano Omni 30B A3B has the edge for multimodal and grounded tasks in this comparison, averaging 76.3 versus 66.1. Inside this category, AA-MMMU-Pro is the benchmark that creates the most daylight between them.
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