# GPT-5.4 nano vs Nemotron 3 Ultra

> Side-by-side benchmark comparison for GPT-5.4 nano and Nemotron 3 Ultra across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-4-nano-vs-nemotron-3-ultra
- Last updated: October 15, 2026

- Shared sourced benchmarks: 8
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Nemotron 3 Ultra leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Nemotron 3 Ultra has the higher overall point estimate 47.12 to 46.83. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 40.6 for GPT-5.4 nano and 70.8 for Nemotron 3 Ultra.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 37.7% and 26.7%.
- Nemotron 3 Ultra is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Nemotron 3 Ultra also has the larger context window at 1M.

## Model Snapshot

| Property | GPT-5.4 nano | Nemotron 3 Ultra |
|----------|----------|----------|
| Creator | OpenAI | NVIDIA |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 1M |
| Overall Score | 46.83 | 47.12 |
| Benchmarks Covered | 21 | 24 |
| Pricing (input/output) | $0.20 / $1.25 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: GPT-5.4 nano
- GPT-5.4 nano public-lane score: 33 (Supported · #84/126)
- Nemotron 3 Ultra public-lane score: 28 (Supported · #95/126)

| Benchmark | GPT-5.4 nano | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 46.3% | Coming soon | Coming soon |
| OSWorld-Verified | 39% | Coming soon | Coming soon |
| MCP Atlas | 56.1% | Coming soon | Coming soon |
| Toolathlon | 35.5% | Coming soon | Coming soon |
| τ²-bench results | 92.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 41.6% | 50.9% | Nemotron 3 Ultra |
| Terminal-Bench 2.1 | Coming soon | 56.4% | Coming soon |
| PinchBench | Coming soon | 90.0% | Coming soon |
| BrowseComp | Coming soon | 44.4% | Coming soon |
| τ³-bench results | Coming soon | 70.9% | Coming soon |
| HLE w/ tools | Coming soon | 37.4% | Coming soon |

### Coding

- Winner: GPT-5.4 nano
- GPT-5.4 nano public-lane score: 29.6 (Supported · #96/149)
- Nemotron 3 Ultra public-lane score: 21.9 (Supported · #115/149)

| Benchmark | GPT-5.4 nano | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 46.3% | Coming soon | Coming soon |
| Vibe Code Bench | 26.10% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 84.0% | 86.0% | Nemotron 3 Ultra |
| SWE-bench (Vals) | 69.8% | 69.0% | GPT-5.4 nano |
| SWE-bench Verified | Coming soon | 71.9% | Coming soon |
| SWE Multilingual | Coming soon | 67.7% | Coming soon |
| LiveCodeBench v6 | Coming soon | 89.0% | Coming soon |
| SciCode | Coming soon | 44.6% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 56.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- GPT-5.4 nano public-lane score: 40.6 (Unranked · 4 rankable rows)
- Nemotron 3 Ultra public-lane score: 70.8 (#20/29)

| Benchmark | GPT-5.4 nano | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 51.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 5.7% | Coming soon | Coming soon |
| CritPt | Coming soon | 3.1% | Coming soon |
| LongBench v2 | Coming soon | 61.9% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- GPT-5.4 nano public-lane score: 52.1 (#48/54)
- Nemotron 3 Ultra public-lane score: Coming soon

| Benchmark | GPT-5.4 nano | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 66.1% | Coming soon | Coming soon |
| MMMU-Pro w/ Python | 69.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- GPT-5.4 nano public-lane score: 39.8 (Supported · #118/182)
- Nemotron 3 Ultra public-lane score: 50.3 (Estimated · #78/182)

| Benchmark | GPT-5.4 nano | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 82.8% | 87% | Nemotron 3 Ultra |
| HLE | 37.7% | 26.7% | GPT-5.4 nano |
| HLE w/o tools | 24.3% | 26.7% | Nemotron 3 Ultra |
| GPQA Diamond (Vals) | 77.5% | 86.1% | Nemotron 3 Ultra |
| MMLU-Pro (Vals) | 77.2% | 85.8% | Nemotron 3 Ultra |
| GPQA-D | Coming soon | 87.0% | Coming soon |
| MMLU-Pro | Coming soon | 86.8% | Coming soon |

### Multilingual

- Winner: Not comparable
- GPT-5.4 nano public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 89.2 (#7/17)

| Benchmark | GPT-5.4 nano | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 83% | Coming soon |

### Instruction Following

- Winner: Directional only
- GPT-5.4 nano public-lane score: 93.3 (#11/146)
- Nemotron 3 Ultra public-lane score: 92.1 (#20/146)

| Benchmark | GPT-5.4 nano | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- GPT-5.4 nano public-lane score: 52.3 (Unranked · 2 rankable rows)
- Nemotron 3 Ultra public-lane score: Coming soon

| Benchmark | GPT-5.4 nano | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 44.912% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 12.195% | Coming soon | Coming soon |

## FAQ

### Which is better overall, GPT-5.4 nano or Nemotron 3 Ultra?

Nemotron 3 Ultra has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between GPT-5.4 nano and Nemotron 3 Ultra?

The widest category gap is in reasoning, where the averages are 40.6 for GPT-5.4 nano and 70.8 for Nemotron 3 Ultra.

### How many benchmarks does GPT-5.4 nano cover on BenchLM?

GPT-5.4 nano currently has 21 sourced benchmark scores on BenchLM.

### How many benchmarks does Nemotron 3 Ultra cover on BenchLM?

Nemotron 3 Ultra currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GPT-5.4 nano vs GPT-5.4 Pro](/compare/gpt-5-4-nano-vs-gpt-5-4-pro)
- [Nemotron 3 Ultra vs GPT-5.4 Pro](/compare/gpt-5-4-pro-vs-nemotron-3-ultra)
- [GPT-5.4 nano vs GPT-5.4](/compare/gpt-5-4-vs-gpt-5-4-nano)
- [Nemotron 3 Ultra vs GPT-5.4](/compare/gpt-5-4-vs-nemotron-3-ultra)

## Explore More

- [GPT-5.4 nano profile](/models/gpt-5-4-nano)
- [Nemotron 3 Ultra profile](/models/nemotron-3-ultra)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)