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NVIDIA: Nvidia Nemotron 3 Super 120B

nemotron-3-super-120b-a12b

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Nvidia Nemotron 3 Super 120B costs $0.065 per million input tokens and $0.325 per million output tokens, supports 262K context, and is available through the OpenAI-compatible API.

Nvidia's Nemotron 3 Super 120B A12B model from the March 2026 Nemotron 3 release. It uses a hybrid Mamba-Transformer MoE architecture and targets agentic and coding workloads with a 262K context window here.

Modalities

Text → Text

Input / output price

$0.065 / $0.325 per 1M

Context

262K · max output 16K

Capabilities

ReasoningLong contextOpen weights

Pricing

Billed per token actually used and deducted from your credits.

ItemUSD per 1M tokens
Input$0.065
Output$0.325
Cached input$0.0325

Calculator

Drag the sliders to estimate what this model will cost.

Per request
$0.00046
Per day
$0.2275
Per month (30 days)
$6.83

Nvidia Nemotron 3 Super 120B: input $0.065/M · output $0.325/M · cached input $0.0325/M

Request with these settings
curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "nemotron-3-super-120b-a12b", "max_tokens": 800,
       "messages": [{"role": "user", "content": "…"}]}'

Code samples

OpenAI-compatible. Set the base URL to https://api.geniusrelaygpt.com/v1 and the model to nemotron-3-super-120b-a12b.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nemotron-3-super-120b-a12b",
    "stream": true,
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Use it in a client: Cursor · Cline · SillyTavern · Codex

Parameters

Common OpenAI parameters can be passed as-is.

temperaturetop_pmax_tokensstreamstoppresence_penaltyfrequency_penaltyseed

FAQ

How is Nvidia Nemotron 3 Super 120B billed?
Input is $0.065 and output is $0.325 per million tokens; cached input is $0.0325. The charge for every request is listed in Usage Logs in the console.
How long is the context window?
262K tokens. In a long conversation every turn is billed for the full input, so keep the history under control.
Does it support streaming?
Yes. Add "stream": true to the request to receive server-sent events in the OpenAI format.
Nvidia Nemotron 3 Super 120B API pricing · GeniusRelay