NVIDIA · Nvidia Nemotron 3 Ultra 550b A55b Bf16 · active
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 is an open-weight language model published by NVIDIA.
nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16Provider availability
Serving endpoints and pricing
This page represents one immutable developer model ID. Serving endpoints, pricing, regions, quantizations, and service tiers attach separately and never create duplicate model records.
Technical specification
Capabilities
Version lineage
Explicit unknowns
- Maximum output
- Knowledge cutoff
- API availability
- Provider pricing
Comparable peers
Related model comparisons
Questions
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 FAQs
What is NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16?+
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 is an open-weight language model published by NVIDIA. It is developed by NVIDIA and its current sourced lifecycle status is active.
What inputs and outputs does NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 support?+
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16's current record lists Text as input and Text as output.
How much context does NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 support?+
The current record lists a 262,144-token context window and does not report a maximum output length.
Is NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 available through an API?+
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16's current primary-source record does not establish API availability. No provider endpoint is treated as available without direct provider evidence.
How large is NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16?+
The current record lists 560.5B total parameters and 55B active parameters. Its architecture is NemotronHForCausalLM.
What capabilities and tasks does NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 support?+
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16's recorded capabilities are chat, generation, reasoning, and tools. Its supported tasks are text.
Can NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 be self-hosted?+
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 is an open-weight model. Self-hosting is supported, and the recorded license is other.
Does NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16.
Which models can NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 be compared with?+
The current compatible peer set includes NVIDIA-Nemotron-3-Super-120B-A12B-BF16, NVIDIA-Nemotron-3-Nano-30B-A3B-BF16, NVIDIA-Nemotron-3-Nano-30B-A3B-Base-BF16, NVIDIA-Nemotron-3-Super-120B-A12B-Base-BF16, and GLM-5. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →
How current is the Model Markets record for NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16?+
NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 was last verified Aug 28, 2026 from NVIDIA's primary source, “nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 developer model repository.” The evidence is classified as official fact.
Primary evidence