Compare / head-to-head
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4vsQwen3.5-Flash
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 leads 2 of 2 shared benchmarks. Both offer a 1M-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
2 – 0
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 leads
Cheaper per token
—
list price, input + output
Larger context
Tie
both 1M tokens
Provider uptime (30d)
100% · —
NVIDIA · Qwen
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
Qwen3.5-Flash
Qwen · released 2026-02-23
textvision
Quality
Benchmark matrix
2 shared · 4 only NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 · 3 only Qwen3.5-Flash| Benchmark | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 | Qwen3.5-Flash | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 2 | ||||
| GPQA Diamond | 87.9% ↗ | 82.3% ↗epoch | +5.6 pt | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 |
| LMArena Elo | 1444.7 ↗ | 1397.7 ↗ | +47 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 |
| Only NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 reports · 4 | ||||
| SWE-bench Verified | 69.7% ↗ | not reported | — | — |
| Humanity's Last Exam (no tools) | 26.1% ↗ | not reported | — | — |
| BrowseComp | 41.4% ↗ | not reported | — | — |
| Terminal-Bench 2.1 | 53.9% ↗ | not reported | — | — |
| Only Qwen3.5-Flash reports · 3 | ||||
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | not reported | 9.5% ↗epoch | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | not reported | 84.4% ↗epoch | — | — |
| SimpleQA Verified | not reported | 20.3% ↗epoch | — | — |
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 NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 minus Qwen3.5-Flash 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 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 | Qwen3.5-Flash | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1M tokens | Tie |
| Max output | — | — | — |
| Input price / 1M | — | $0.029 ↗ | — |
| Output price / 1M | — | $0.287 ↗ | — |
| Cached input / 1M | — | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | $0.316 | — |
| Modalities | text | text · vision | Qwen3.5-Flash |
| Released | 2026-06-04 | 2026-02-23 | — |
| Cited benchmark scores | 6 | 5 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 vs …
Models sharing the most benchmarksMore matchups
Qwen3.5-Flash vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 and Qwen3.5-Flash on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.