Model capability probe

NVIDIA: Nemotron 3 Nano 30B A3B (free) | JSON mode

Whether NVIDIA: Nemotron 3 Nano 30B A3B (free) supports JSON mode cannot be decided from the name alone. Check model ID nvidia/nemotron-3-nano-30b-a3b:free, provider NVIDIA, catalog params, modality, a lightweight runtime probe, and the error body together.

Model

nvidia/nemotron-3-nano-30b-a3b:free

NVIDIA: Nemotron 3 Nano 30B A3B (free)

Provider

NVIDIA

11 models in catalog

Capability

JSON mode

json-mode

Catalog signal

runtime probe required

Context: 256,000

Capability probe summary

Model

nvidia/nemotron-3-nano-30b-a3b:free

Capability

json-mode

Catalog signal

runtime probe required

Read-only check. Detection data burns after 5 minutes.

How to judge this capability

Whether NVIDIA: Nemotron 3 Nano 30B A3B (free) supports JSON mode cannot be decided from the name alone. Check model ID nvidia/nemotron-3-nano-30b-a3b:free, provider NVIDIA, catalog params, modality, a lightweight runtime probe, and the error body together.

Model: nvidia/nemotron-3-nano-30b-a3b:free
Provider: NVIDIA
Capability: JSON mode

How to prove it during checking

Read-only check. Detection data burns after 5 minutes.

Start with the catalog signal: runtime probe required, then verify with a real key in read-only mode.
The capability probe must bind model ID nvidia/nemotron-3-nano-30b-a3b:free; do not test another model from the same provider.
JSON mode · supports include_reasoning · supports max_tokens · supports reasoning · supports seed

Next action

NVIDIA: Nemotron 3 Nano 30B A3B (free) JSON mode should turn into an operator action: confirm sale tags, fill the capability matrix, change route, suggest a fallback model, or mark unsupported for now.

Read-only check. Detection data burns after 5 minutes.
Catalog signal: runtime probe required
Context: 256,000

Open key checker

Read-only check. Detection data burns after 5 minutes.

Open models

NVIDIA: Nemotron 3 Nano 30B A3B (free)

Open providers

NVIDIA