Compare / head-to-head
Claude Sonnet 5vsNVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
Claude Sonnet 5 leads 3 of 3 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
3 – 0
Claude Sonnet 5 leads
Cheaper per token
—
list price, input + output
Larger context
Tie
both 1M tokens
Provider uptime (30d)
100% · 100%
Anthropic · NVIDIA
Claude Sonnet 5
Anthropic · released 2026-06-30
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
3 shared · 5 only Claude Sonnet 5 · 3 only NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4| Benchmark | Claude Sonnet 5 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 3 | ||||
| SWE-bench Verified | 85.2% ↗ | 69.7% ↗ | +15.5 pt | Claude Sonnet 5 |
| GPQA Diamond | 90.5% ↗epoch | 87.9% ↗ | +2.6 pt | Claude Sonnet 5 |
| Humanity's Last Exam (no tools) | 43.2% ↗ | 26.1% ↗ | +17.1 pt | Claude Sonnet 5 |
| Only Claude Sonnet 5 reports · 5 | ||||
| FrontierMath Tier 4 v2 (Epoch AI run) | 29.3% ↗epoch | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 65.6% ↗epoch | not reported | — | — |
| Humanity's Last Exam (with tools) | 57.4% ↗ | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 94.7% ↗epoch | not reported | — | — |
| SimpleQA Verified | 33.7% ↗epoch | not reported | — | — |
| Only NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 reports · 3 | ||||
| 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 Claude Sonnet 5 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 | Claude Sonnet 5 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1M tokens | Tie |
| Max output | 128K tokens | — | — |
| Input price / 1M | $2 ↗ | — | — |
| Output price / 1M | $10 ↗ | — | — |
| Cached input / 1M | $0.2 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $12 | — | — |
| Modalities | text · vision | text | Claude Sonnet 5 |
| Released | 2026-06-30 | 2026-06-04 | — |
| Cited benchmark scores | 8 | 6 | — |
Reliability
Provider status
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