NVIDIA Nemotron 3 Ultra 550B A55B BF16 vs Qwen3.8 Flash
At a Glance
| Compare |  Qwen3.8 FlashQwen | |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| CostLower is better · Published-token output estimate | #19 of 44$0.092 per LiveBench case | #4 of 44$0.021 per LiveBench case |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $0.50Openrouter ↗ · Aug 29, 2026 | $0.113Deepinfra ↗ · Sep 23, 2026 |
| Output priceFrom · USD / 1M tokens | $2.20Openrouter ↗ · Aug 29, 2026 | $0.382Deepinfra ↗ · Sep 23, 2026 |
| Context windowMaximum documented tokens | 262K | 1,000K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 29, 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 | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | Qwen3.8-Flash |
|---|---|---|
| LiveBench2026-06-25 · overall · leader | 73.4993% of row best · percent · nemotron-3-ultra-550b-a55b · 41,654 output tokens / case | 79.12100% of row best · percent · qwen3.8-flash-next · 54,438 output tokens / case |
| ToneBench2026-09-11-10-task-4ef099199c9c · overall_score · unverified | 76.3392% of row best · points · Nemotron 3 Ultra 550B (reasoning) · 2,940 output tokens / case | 83.20100% of row best · points · Qwen3.8 Flash · 24,187 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark winsNo overall winner | 1 benchmark winNo 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 | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | Qwen3.8-Flash |
|---|---|---|
| Developer | NVIDIA | Qwen |
| Family | Nvidia Nemotron 3 Ultra 550b A55b Bf16 | Qwen3 8 Flash |
| Model | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | Qwen3.8-Flash |
| Version | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | Qwen3.8-Flash |
| Lifecycle | active | active |
| Released | 2026-06-04 | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text, Image, Video |
| Output modalities | Text | Text |
| Context window | 262K | 1,000K |
| Total parameters | 560.5B | Unknown |
| Active parameters | 55B | Unknown |
| License | other | Unknown |
| Open weights | Yes | No |
| API available | Yes | Yes |
| Self-hostable | Yes | No |
| Provider access | Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard) | Alibaba Cloud Model Studio (Standard), Deepinfra (Standard), Openrouter (Standard), Together Ai (Standard) |
| Capabilities | chat, generation, reasoning, tools | agents, chat, computer-use, reasoning, structured_outputs, tools, vision |
NVIDIA Nemotron 3 Ultra 550B A55B BF16 Capabilities
Qwen3.8 Flash Capabilities
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Primary Evidence
Sources and Freshness
Questions
NVIDIA Nemotron 3 Ultra 550B A55B BF16 vs Qwen3.8 Flash FAQs
Is NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Qwen3.8 Flash better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both NVIDIA Nemotron 3 Ultra 550B A55B BF16 and Qwen3.8 Flash, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Qwen3.8 Flash?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 is $0.50 and Qwen3.8 Flash is $0.113 per million tokens, so Qwen3.8 Flash is cheaper on this metric. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is $2.20 and Qwen3.8 Flash is $0.382 per million tokens, so Qwen3.8 Flash is cheaper on this metric.
Which has a larger context window, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Qwen3.8 Flash?+
Qwen3.8 Flash has the larger sourced context window. NVIDIA Nemotron 3 Ultra 550B A55B BF16 supports 262K and Qwen3.8 Flash supports 1,000K.
Which performs better in benchmarks, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Qwen3.8 Flash?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Qwen3.8 Flash be self-hosted?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 is the only model in this pair currently marked as self-hostable. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is open weight; Qwen3.8 Flash is not marked open weight.
Can NVIDIA Nemotron 3 Ultra 550B A55B BF16 and Qwen3.8 Flash understand images?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 is not documented with image input; Qwen3.8 Flash is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Qwen3.8 Flash?+
Neither has a larger sourced maximum output. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is — and Qwen3.8 Flash is 131K.
Do NVIDIA Nemotron 3 Ultra 550B A55B BF16 and Qwen3.8 Flash support reasoning and tool use?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16: reasoning and tool calling. Qwen3.8 Flash: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Qwen3.8 Flash?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 has 3 sourced provider routes; Qwen3.8 Flash has 4, so Qwen3.8 Flash has broader tracked availability.
Which offers better value, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Qwen3.8 Flash?+
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.