Compare / head-to-head
GPT-4.1vsNVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 leads 2 of 2 shared benchmarks. GPT-4.1 has the larger context window (1.0M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0 – 2
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 leads
Cheaper per token
—
list price, input + output
Larger context
GPT-4.1
1.0M tokens
Provider uptime (30d)
94.6309% · 100%
OpenAI · NVIDIA
GPT-4.1
OpenAI · released 2025-04-14
textvision
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
NVIDIA · released 2026-06-04
text
- Context
- 1M
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 6 · 4 core
Quality
Benchmark matrix
2 shared · 7 only GPT-4.1 · 4 only NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4| Benchmark | GPT-4.1 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 2 | ||||
| SWE-bench Verified | 54.6% ↗ | 69.7% ↗ | -15.1 pt | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 |
| GPQA Diamond | 66.3% ↗ | 87.9% ↗ | -21.6 pt | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 |
| Only GPT-4.1 reports · 7 | ||||
| MMLU | 90.2% ↗ | not reported | — | — |
| AIME 2024 | 48.1% ↗ | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 6% ↗epoch | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 38.3% ↗epoch | not reported | — | — |
| SimpleQA Verified | 31.1% ↗epoch | not reported | — | — |
| SWE-bench Verified (Epoch AI run) | 48.5% ↗epoch | not reported | — | — |
| Video-MME (long, no subtitles) | 72% ↗ | not reported | — | — |
| Only NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 reports · 4 | ||||
| Humanity's Last Exam (no tools) | not reported | 26.1% ↗ | — | — |
| LMArena Elo | not reported | 1444.7 ↗ | — | — |
| BrowseComp | not reported | 41.4% ↗ | — | — |
| Terminal-Bench 2.1 | not reported | 53.9% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is GPT-4.1 minus NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | GPT-4.1 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 | Edge |
|---|---|---|---|
| Context window | 1.0M tokens | 1M tokens | GPT-4.1 |
| Max output | 33K tokens | — | — |
| Input price / 1M | $2 ↗ | — | — |
| Output price / 1M | $8 ↗ | — | — |
| Cached input / 1M | $0.5 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $10 | — | — |
| Modalities | text · vision | text | GPT-4.1 |
| Released | 2025-04-14 | 2026-06-04 | — |
| Cited benchmark scores | 10 | 6 | — |
Reliability
Provider status
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