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NVIDIA

NVIDIA

Nemotron 3 Ultra (free)

nvidia/nemotron-3-ultra-550b-a55b:free

Specification

Published by the vendor; the platform bills at the target's declared price.

NVIDIA

Nemotron 3 Ultra (free)

reasoning open weights toolsfree

NVIDIA nvidia/nemotron-3-ultra-550b-a55b:free

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...

Input $/1M
free
Output $/1M
free
Context
1M
Max output
66K
Released
Jun 4, 2026
Modalities
text
Intelligence index-
Coding index49
Agentic index22

On this deployment

No routing target resolves to this model yet. Declare one and the router picks it up without retraining.

Not routable here yet
Add a target with metadata.model set to this id.
targets.yamlyaml
# targets.yaml - declare a target that runs Nemotron 3 Ultra (free)
targets:
  - id: nemotron-3-ultra-550b-a55b-free
    kind: llm
    name: Nemotron 3 Ultra (free)
    metadata:
      model: nvidia/nemotron-3-ultra-550b-a55b:free          # links the target to this catalogue entry
    capabilities:
      domains: [general]
      supports_tools: true
      context_window: 1000000
    cost:
      usd_per_1k_tokens: 0.000000