Compare / head-to-head
Claude Opus 4.8vsNVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
Claude Opus 4.8 leads 6 of 6 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
6 – 0
Claude Opus 4.8 leads
Cheaper per token
—
list price, input + output
Larger context
Tie
both 1M tokens
Provider uptime (30d)
100% · 100%
Anthropic · NVIDIA
Claude Opus 4.8
Anthropic · released 2026-05-28
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
6 shared · 10 only Claude Opus 4.8 · 0 only NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4| Benchmark | Claude Opus 4.8 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 6 | ||||
| SWE-bench Verified | 88.6% ↗ | 69.7% ↗ | +18.9 pt | Claude Opus 4.8 |
| GPQA Diamond | 93.6% ↗ | 87.9% ↗ | +5.7 pt | Claude Opus 4.8 |
| Humanity's Last Exam (no tools) | 49.8% ↗ | 26.1% ↗ | +23.7 pt | Claude Opus 4.8 |
| LMArena Elo | 1452.7 ↗ | 1444.7 ↗ | +8 | Claude Opus 4.8 |
| BrowseComp | 84.3% ↗ | 41.4% ↗ | +42.9 pt | Claude Opus 4.8 |
| Terminal-Bench 2.1 | 74.6% ↗ | 53.9% ↗ | +20.7 pt | Claude Opus 4.8 |
| Only Claude Opus 4.8 reports · 10 | ||||
| AIME 2026 | 100% ↗matharena ⚠ | not reported | — | — |
| FrontierMath Tier 4 v2 (Epoch AI run) | 56.1% ↗epoch | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 80% ↗epoch | not reported | — | — |
| Humanity's Last Exam (with tools) | 57.9% ↗ | not reported | — | — |
| OSWorld-Verified | 83.4% ↗ | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 98.3% ↗epoch | not reported | — | — |
| SimpleQA Verified | 53% ↗epoch | not reported | — | — |
| SWE-bench Multilingual | 84.4% ↗ | not reported | — | — |
| SWE-bench Multimodal | 38.4% ↗ | not reported | — | — |
| SWE-Bench Pro | 69.2% ↗ | not reported | — | — |
| Only NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 reports · 0 | ||||
| NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 reports nothing Claude Opus 4.8 does not. | ||||
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 Opus 4.8 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 Opus 4.8 | NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1M tokens | Tie |
| Max output | 128K tokens | — | — |
| Input price / 1M | $5 ↗ | — | — |
| Output price / 1M | $25 ↗ | — | — |
| Cached input / 1M | $0.5 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $30 | — | — |
| Modalities | text · vision | text | Claude Opus 4.8 |
| Released | 2026-05-28 | 2026-06-04 | — |
| Cited benchmark scores | 17 | 6 | — |
Reliability
Provider status
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Which one wins on your data?
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