Claude Opus 4.8 vs NVIDIA Nemotron 3 Ultra 550B A55B BF16
At a Glance
| Compare | Claude Opus 4.8Anthropic | |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #18 of 4670.1 score · 3/3 sources · complete | UnrankedNot in the 46-model eligible cohort |
| CostLower is better · Published-token output estimate | #42 of 44$0.604 per LiveBench case | #19 of 44$0.092 per LiveBench case |
| EfficiencyHigher is better · MM Efficiency v1.5 | #35 of 3840.5 score · 3/3 sources · complete | UnrankedNot in the 38-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $5.00Anthropic ↗ · Sep 3, 2026 | $0.50Openrouter ↗ · Aug 29, 2026 |
| Output priceFrom · USD / 1M tokens | $25.00Anthropic ↗ · Sep 3, 2026 | $2.20Openrouter ↗ · Aug 29, 2026 |
| Context windowMaximum documented tokens | 1,000K | 262K |
| Model facts checked | Aug 29, 2026View model evidence → | Aug 28, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
| Benchmark | Claude Opus 4.8 | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 |
|---|---|---|
| LiveBench2026-06-25 · overall · leader | 81.18100% of row best · percent · claude-opus-4-8-max-effort · 24,171 output tokens / case | 73.4991% of row best · percent · nemotron-3-ultra-550b-a55b · 41,654 output tokens / case |
| ToneBench2026-09-11-10-task-4ef099199c9c · overall_score · unverified | 87.91100% of row best · points · Claude Opus 4.8 (max effort) · 24,846 output tokens / case | 76.3387% of row best · points · Nemotron 3 Ultra 550B (reasoning) · 2,940 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 1 benchmark winNo overall winner | 0 benchmark winsNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Claude Opus 4.8 | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 |
|---|---|---|
| Developer | Anthropic | NVIDIA |
| Family | Claude 4 8 | Nvidia Nemotron 3 Ultra 550b A55b Bf16 |
| Model | Claude Opus 4.8 | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 |
| Version | Claude Opus 4.8 | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 |
| Lifecycle | active | active |
| Released | 2026-05-28 | 2026-06-04 |
| Knowledge cutoff | 2026-01-01 | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 1,000K | 262K |
| Total parameters | Unknown | 560.5B |
| Active parameters | Unknown | 55B |
| License | Unknown | other |
| Open weights | No | Yes |
| API available | Yes | Yes |
| Self-hostable | No | Yes |
| Provider access | Anthropic (Standard), Deepinfra (Standard) | Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
Claude Opus 4.8 Capabilities
NVIDIA Nemotron 3 Ultra 550B A55B BF16 Capabilities
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Primary Evidence
Sources and Freshness
Questions
Claude Opus 4.8 vs NVIDIA Nemotron 3 Ultra 550B A55B BF16 FAQs
Is Claude Opus 4.8 or NVIDIA Nemotron 3 Ultra 550B A55B BF16 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Opus 4.8 and NVIDIA Nemotron 3 Ultra 550B A55B BF16, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Opus 4.8 or NVIDIA Nemotron 3 Ultra 550B A55B BF16?+
Claude Opus 4.8 is $5.00 and NVIDIA Nemotron 3 Ultra 550B A55B BF16 is $0.50 per million tokens, so NVIDIA Nemotron 3 Ultra 550B A55B BF16 is cheaper on this metric. Claude Opus 4.8 is $25.00 and NVIDIA Nemotron 3 Ultra 550B A55B BF16 is $2.20 per million tokens, so NVIDIA Nemotron 3 Ultra 550B A55B BF16 is cheaper on this metric.
Which has a larger context window, Claude Opus 4.8 or NVIDIA Nemotron 3 Ultra 550B A55B BF16?+
Claude Opus 4.8 has the larger sourced context window. Claude Opus 4.8 supports 1,000K and NVIDIA Nemotron 3 Ultra 550B A55B BF16 supports 262K.
Which performs better in benchmarks, Claude Opus 4.8 or NVIDIA Nemotron 3 Ultra 550B A55B BF16?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Claude Opus 4.8 or NVIDIA Nemotron 3 Ultra 550B A55B BF16 be self-hosted?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 is the only model in this pair currently marked as self-hostable. Claude Opus 4.8 is not marked open weight; NVIDIA Nemotron 3 Ultra 550B A55B BF16 is open weight.
Can Claude Opus 4.8 and NVIDIA Nemotron 3 Ultra 550B A55B BF16 understand images?+
Claude Opus 4.8 is documented with image input; NVIDIA Nemotron 3 Ultra 550B A55B BF16 is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Opus 4.8 or NVIDIA Nemotron 3 Ultra 550B A55B BF16?+
Neither has a larger sourced maximum output. Claude Opus 4.8 is 128K and NVIDIA Nemotron 3 Ultra 550B A55B BF16 is —.
Do Claude Opus 4.8 and NVIDIA Nemotron 3 Ultra 550B A55B BF16 support reasoning and tool use?+
Claude Opus 4.8: reasoning, tool calling, and image input. NVIDIA Nemotron 3 Ultra 550B A55B BF16: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Opus 4.8 or NVIDIA Nemotron 3 Ultra 550B A55B BF16?+
Claude Opus 4.8 has 2 sourced provider routes; NVIDIA Nemotron 3 Ultra 550B A55B BF16 has 3, so NVIDIA Nemotron 3 Ultra 550B A55B BF16 has broader tracked availability.
Which offers better value, Claude Opus 4.8 or NVIDIA Nemotron 3 Ultra 550B A55B BF16?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.