Model error diagnosis

NVIDIA: Nemotron 3 Super (free) | model capability unsupported

NVIDIA: Nemotron 3 Super (free) returning 400 / model capability unsupported means you should first confirm whether model ID nvidia/nemotron-3-super-120b-a12b:free is visible for this NVIDIA key, then separate permission, context, capability, rate limit, or route issues.

Model

nvidia/nemotron-3-super-120b-a12b:free

NVIDIA: Nemotron 3 Super (free)

Provider

NVIDIA

11 models in catalog

Error type

model capability unsupported

capability-unsupported

Status code

400

global model route

Model error summary

Model

nvidia/nemotron-3-super-120b-a12b:free

Error type

capability-unsupported

Status code

400

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

What this model error usually means

NVIDIA: Nemotron 3 Super (free) returning 400 / model capability unsupported means you should first confirm whether model ID nvidia/nemotron-3-super-120b-a12b:free is visible for this NVIDIA key, then separate permission, context, capability, rate limit, or route issues.

Model: nvidia/nemotron-3-super-120b-a12b:free
Provider: NVIDIA
Status code: 400

How to prove it during checking

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

List models: confirm whether nvidia/nemotron-3-super-120b-a12b:free is actually visible instead of guessing from the display name.
Light probe: use minimal input to verify whether NVIDIA returns the same 400, then record the error body.
Compare model facts: context 262,144, input $0.000, output $0.000.
supports include_reasoning
supports max_tokens
supports reasoning
supports response_format

Next action

NVIDIA: Nemotron 3 Super (free) model capability unsupported should not end at failed. Return the next move: change model ID, add permission, reduce context, disable unsupported capability, change route, monitor, or hold listing.

Context: 262,144
Price: $0.000 / $0.000
Read-only check. Detection data burns after 5 minutes.

Open key checker

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

Open models

NVIDIA: Nemotron 3 Super (free)

Open providers

NVIDIA