NVIDIA Nemotron 3 Ultra 550B A55B BF16 vs Hy4 preview
Benchmark Performance
Available Benchmarks
Technical Differences
Side-by-Side Facts
| Field | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | Hy4 preview |
|---|---|---|
| Developer | NVIDIA | Tencent |
| Family | Nvidia Nemotron 3 Ultra 550b A55b Bf16 | Hy4 |
| Model | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | Hy4 preview |
| Version | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | Hy4 preview |
| Lifecycle | active | preview |
| Released | 2026-06-04 | 2026-08-28 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 262K | 1,000K |
| Total parameters | 560.5B | 770B |
| Active parameters | 55B | 49B |
| License | other | apache-2.0 |
| Open weights | Yes | Yes |
| API available | Yes | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard) | Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
17 comparable fields · 11 material differences · Pair passes the primary-source comparison gate
NVIDIA Nemotron 3 Ultra 550B A55B BF16 Capabilities
Hy4 preview Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
NVIDIA Nemotron 3 Ultra 550B A55B BF16 vs Hy4 preview FAQs
Is NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Hy4 preview better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both NVIDIA Nemotron 3 Ultra 550B A55B BF16 and Hy4 preview, 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 Hy4 preview?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 is $0.50 and Hy4 preview is $0.834 per million tokens, so NVIDIA Nemotron 3 Ultra 550B A55B BF16 is cheaper on this metric. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is $2.20 and Hy4 preview is $2.501 per million tokens, so NVIDIA Nemotron 3 Ultra 550B A55B BF16 is cheaper on this metric.
Which has a larger context window, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Hy4 preview?+
Hy4 preview has the larger sourced context window. NVIDIA Nemotron 3 Ultra 550B A55B BF16 supports 262K and Hy4 preview supports 1,000K.
Which performs better in benchmarks, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Hy4 preview?+
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 Hy4 preview be self-hosted?+
Both models have the same recorded self-hosting status: supported. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is open weight; Hy4 preview is open weight.
Can NVIDIA Nemotron 3 Ultra 550B A55B BF16 and Hy4 preview understand images?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 is not documented with image input; Hy4 preview is not 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 Hy4 preview?+
Neither has a larger sourced maximum output. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is — and Hy4 preview is —.
Do NVIDIA Nemotron 3 Ultra 550B A55B BF16 and Hy4 preview support reasoning and tool use?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16: reasoning and tool calling. Hy4 preview: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Hy4 preview?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 has 3 sourced provider routes; Hy4 preview has 1, so NVIDIA Nemotron 3 Ultra 550B A55B BF16 has broader tracked availability.
Which offers better value, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Hy4 preview?+
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.