Nemotron 3 Super

by nvidia · family nemotron

Facts

Release date	2026-03-11
Retired date	—
Knowledge cutoff	—
Context (max)	1,000,000
Max output	—
Modalities	text → text
Aliases	`nemotron-3-super-120b-a12b`
Open weights	yes (nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-BF16)
Description	120.6B/12.7B-active hybrid Mamba-Transformer MoE; up to 1M context (256K default); reasoning + tool calling.

Unknown values are shown as —.

Offerings

Provider	Wire ID	Endpoint	Protocol	Status	Price (USD / Mtok)	Reasoning
NVIDIA NIM API	`nvidia/nemotron-3-super-120b-a12b`	v1-chat-completions	openai-chat	ga	—	toggle · default on · returns reasoning_content
Ollama Cloud	`nemotron-3-super`	v1-chat-completions	openai-chat	ga	—	effort · default on · returns hidden
OpenRouter	`nvidia/nemotron-3-super-120b-a12b`	chat-completions	openai-chat	ga	0.09 / 0.40	effort · default on · returns reasoning_content · round-trips reasoning_content
Synthetic	`hf:nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-NVFP4`	openai-chat	openai-chat	ga	—	toggle · default on · returns reasoning_content

Reasoning controls

NVIDIA NIM API· nvidia/nemotron-3-super-120b-a12b· v1-chat-completions toggle

chat_template_kwargs.enable_thinking on true · off false

toggle · default on · returns reasoning_content

Ollama Cloud· nemotron-3-super· v1-chat-completions effort

reasoning_effort nonelowmediumhigh●max Default level not documented; verify.

effort · default on · returns hidden

OpenRouter· nvidia/nemotron-3-super-120b-a12b· chat-completions effort

reasoning.effort nonelowmedium●highxhighmax

effort · default on · returns reasoning_content · round-trips reasoning_content

Synthetic· hf:nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-NVFP4· openai-chat toggle

chat_template_kwargs.enable_thinking on true · off false

toggle · default on · returns reasoning_content

Example requests

NVIDIA NIM API · openai-chat · nvidia/nemotron-3-super-120b-a12b

curl 'https://integrate.api.nvidia.com/v1/chat/completions' \
  -H 'Authorization: Bearer <YOUR_API_KEY>' \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "nvidia/nemotron-3-super-120b-a12b",
  "messages": [
    {
      "role": "user",
      "content": "Tell me about the weather."
    }
  ],
  "chat_template_kwargs": {
    "enable_thinking": true
  }
}'

Python (requests)

import requests

resp = requests.post(
    "https://integrate.api.nvidia.com/v1/chat/completions",
    headers={
      "Authorization": "Bearer <YOUR_API_KEY>",
      "Content-Type": "application/json"
    },
    json={
      "model": "nvidia/nemotron-3-super-120b-a12b",
      "messages": [
        {
          "role": "user",
          "content": "Tell me about the weather."
        }
      ],
      "chat_template_kwargs": {
        "enable_thinking": true
      }
    },
)
print(resp.json())

TypeScript (fetch)

const resp = await fetch("https://integrate.api.nvidia.com/v1/chat/completions", {
  method: "POST",
  headers: {
    "Authorization": "Bearer <YOUR_API_KEY>",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    "model": "nvidia/nemotron-3-super-120b-a12b",
    "messages": [
      {
        "role": "user",
        "content": "Tell me about the weather."
      }
    ],
    "chat_template_kwargs": {
      "enable_thinking": true
    }
  }),
})
console.log(await resp.json())

Ollama Cloud · openai-chat · nemotron-3-super

curl 'https://ollama.com/v1/chat/completions' \
  -H 'Authorization: Bearer <YOUR_API_KEY>' \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "nemotron-3-super",
  "messages": [
    {
      "role": "user",
      "content": "Tell me about the weather."
    }
  ],
  "reasoning_effort": "high"
}'

Python (requests)

import requests

resp = requests.post(
    "https://ollama.com/v1/chat/completions",
    headers={
      "Authorization": "Bearer <YOUR_API_KEY>",
      "Content-Type": "application/json"
    },
    json={
      "model": "nemotron-3-super",
      "messages": [
        {
          "role": "user",
          "content": "Tell me about the weather."
        }
      ],
      "reasoning_effort": "high"
    },
)
print(resp.json())

TypeScript (fetch)

const resp = await fetch("https://ollama.com/v1/chat/completions", {
  method: "POST",
  headers: {
    "Authorization": "Bearer <YOUR_API_KEY>",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    "model": "nemotron-3-super",
    "messages": [
      {
        "role": "user",
        "content": "Tell me about the weather."
      }
    ],
    "reasoning_effort": "high"
  }),
})
console.log(await resp.json())

OpenRouter · openai-chat · nvidia/nemotron-3-super-120b-a12b

curl 'https://openrouter.ai/api/v1/chat/completions' \
  -H 'Authorization: Bearer <YOUR_API_KEY>' \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "nvidia/nemotron-3-super-120b-a12b",
  "messages": [
    {
      "role": "user",
      "content": "Tell me about the weather."
    }
  ],
  "reasoning": {
    "effort": "medium"
  }
}'

Python (requests)

import requests

resp = requests.post(
    "https://openrouter.ai/api/v1/chat/completions",
    headers={
      "Authorization": "Bearer <YOUR_API_KEY>",
      "Content-Type": "application/json"
    },
    json={
      "model": "nvidia/nemotron-3-super-120b-a12b",
      "messages": [
        {
          "role": "user",
          "content": "Tell me about the weather."
        }
      ],
      "reasoning": {
        "effort": "medium"
      }
    },
)
print(resp.json())

TypeScript (fetch)

const resp = await fetch("https://openrouter.ai/api/v1/chat/completions", {
  method: "POST",
  headers: {
    "Authorization": "Bearer <YOUR_API_KEY>",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    "model": "nvidia/nemotron-3-super-120b-a12b",
    "messages": [
      {
        "role": "user",
        "content": "Tell me about the weather."
      }
    ],
    "reasoning": {
      "effort": "medium"
    }
  }),
})
console.log(await resp.json())

⚠ Responses include reasoning_content artifacts — pass them back unmodified on subsequent turns (dropping them triggers 400s or quality loss).

Synthetic · openai-chat · hf:nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-NVFP4

curl 'https://api.synthetic.new/openai/v1/chat/completions' \
  -H 'Authorization: Bearer <YOUR_API_KEY>' \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "hf:nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-NVFP4",
  "messages": [
    {
      "role": "user",
      "content": "Tell me about the weather."
    }
  ],
  "chat_template_kwargs": {
    "enable_thinking": true
  }
}'

Python (requests)

import requests

resp = requests.post(
    "https://api.synthetic.new/openai/v1/chat/completions",
    headers={
      "Authorization": "Bearer <YOUR_API_KEY>",
      "Content-Type": "application/json"
    },
    json={
      "model": "hf:nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-NVFP4",
      "messages": [
        {
          "role": "user",
          "content": "Tell me about the weather."
        }
      ],
      "chat_template_kwargs": {
        "enable_thinking": true
      }
    },
)
print(resp.json())

TypeScript (fetch)

const resp = await fetch("https://api.synthetic.new/openai/v1/chat/completions", {
  method: "POST",
  headers: {
    "Authorization": "Bearer <YOUR_API_KEY>",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    "model": "hf:nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-NVFP4",
    "messages": [
      {
        "role": "user",
        "content": "Tell me about the weather."
      }
    ],
    "chat_template_kwargs": {
      "enable_thinking": true
    }
  }),
})
console.log(await resp.json())