NVIDIA Nemotron 3 Ultra 550B A55B BF16 vs NVIDIA Nemotron 3.5 Lightning 30B A3B
At a Glance
| Compare | ||
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| CostLower is better · Published-token output estimate | #19 of 44$0.092 per LiveBench case | UnrankedNot in the 44-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $0.50Openrouter ↗ · Aug 29, 2026 | Not reported |
| Output priceFrom · USD / 1M tokens | $2.20Openrouter ↗ · Aug 29, 2026 | Not reported |
| Context windowMaximum documented tokens | 262K | 1,049K |
| Model facts checked | Aug 28, 2026View model evidence → | Sep 3, 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
Side-by-Side Facts
| Field | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | NVIDIA Nemotron 3.5 Lightning 30B-A3B |
|---|---|---|
| Developer | NVIDIA | NVIDIA |
| Family | Nvidia Nemotron 3 Ultra 550b A55b Bf16 | Nvidia Nemotron 3 5 Lightning |
| Model | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | NVIDIA Nemotron 3.5 Lightning 30B-A3B |
| Version | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | NVIDIA Nemotron 3.5 Lightning 30B-A3B |
| Lifecycle | active | active |
| Released | 2026-06-04 | 2026-08-11 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 262K | 1,049K |
| Total parameters | 560.5B | 30B |
| Active parameters | 55B | 3B |
| License | other | openmdw-1.1 |
| Open weights | Yes | Yes |
| API available | Yes | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard) | Fireworks Ai (Standard) |
| Capabilities | chat, generation, reasoning, tools | agents, chat, generation, reasoning, tools |
NVIDIA Nemotron 3 Ultra 550B A55B BF16 Capabilities
NVIDIA Nemotron 3.5 Lightning 30B A3B Capabilities
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Primary Evidence
Sources and Freshness
Questions
NVIDIA Nemotron 3 Ultra 550B A55B BF16 vs NVIDIA Nemotron 3.5 Lightning 30B A3B FAQs
Is NVIDIA Nemotron 3 Ultra 550B A55B BF16 or NVIDIA Nemotron 3.5 Lightning 30B A3B better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both NVIDIA Nemotron 3 Ultra 550B A55B BF16 and NVIDIA Nemotron 3.5 Lightning 30B A3B, 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 NVIDIA Nemotron 3.5 Lightning 30B A3B?+
Only NVIDIA Nemotron 3 Ultra 550B A55B BF16 has a directly sourced input price: $0.50 per million tokens. Only NVIDIA Nemotron 3 Ultra 550B A55B BF16 has a directly sourced output price: $2.20 per million tokens.
Which has a larger context window, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or NVIDIA Nemotron 3.5 Lightning 30B A3B?+
NVIDIA Nemotron 3.5 Lightning 30B A3B has the larger sourced context window. NVIDIA Nemotron 3 Ultra 550B A55B BF16 supports 262K and NVIDIA Nemotron 3.5 Lightning 30B A3B supports 1,049K.
Which performs better in benchmarks, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or NVIDIA Nemotron 3.5 Lightning 30B A3B?+
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 NVIDIA Nemotron 3.5 Lightning 30B A3B be self-hosted?+
Both models have the same recorded self-hosting status: supported. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is open weight; NVIDIA Nemotron 3.5 Lightning 30B A3B is open weight.
Can NVIDIA Nemotron 3 Ultra 550B A55B BF16 and NVIDIA Nemotron 3.5 Lightning 30B A3B understand images?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 is not documented with image input; NVIDIA Nemotron 3.5 Lightning 30B A3B 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 NVIDIA Nemotron 3.5 Lightning 30B A3B?+
Neither has a larger sourced maximum output. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is — and NVIDIA Nemotron 3.5 Lightning 30B A3B is —.
Do NVIDIA Nemotron 3 Ultra 550B A55B BF16 and NVIDIA Nemotron 3.5 Lightning 30B A3B support reasoning and tool use?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16: reasoning and tool calling. NVIDIA Nemotron 3.5 Lightning 30B A3B: 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 NVIDIA Nemotron 3.5 Lightning 30B A3B?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 has 3 sourced provider routes; NVIDIA Nemotron 3.5 Lightning 30B A3B 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 NVIDIA Nemotron 3.5 Lightning 30B A3B?+
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.