LLM Perks

Nemotron 3 Nano Omni

Free right now Mid-size
VisionReasoningTool useLong contextOpen weights

Nemotron 3 Nano Omni is a language model with 30B parameters from NVIDIA. It is currently free at 5 providers with up to 262K tokens of context. The model understands images, supports step-by-step reasoning, supports tool calling. Its weights are open, so it can also run locally.

Developer
NVIDIA
Parameters
30B / 3B active
Context
262K tokens
Type
Text
License
Open weights

Where to use Nemotron 3 Nano Omni for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
OpenRouter
nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free
256K Free tier No Open
Together AI
nvidia/nemotron-3-nano-omni-30b-a3b-reasoning-fp8
131K Fair use (depends on server load) — Open
NVIDIA Build
nvidia/nemotron-3-nano-omni-30b-a3b-reasoning
— Free serverless inference for development; limits and model availability may change. No Open
TokenRouter
nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free
— Free models and promotional access may be time-limited; availability is checked through the Models API. — Open
UnoRouter
nemotron-3-nano-omni-30b-a3b-reasoning:free
262K No-card free models use shared capacity and per-model limits; availability can change. No Open

Quick start

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for OpenRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

Intelligence Index
10.3
GPQA Diamond
46.9%
Humanity's Last Exam
4.8%
Terminal-Bench Hard
8.3%
τ²-Bench
45.3%
Long context (LCR)
39.7%

Source: Artificial Analysis · Nemotron 3 Nano Omni 30B A3B Reasoning

Similar free models

FAQ

Is Nemotron 3 Nano Omni free?

Yes. As of September 26, 2026, Nemotron 3 Nano Omni is free at OpenRouter, Together AI, NVIDIA Build, TokenRouter, UnoRouter. Each provider has its own limits — see the table above.

What is the context window of Nemotron 3 Nano Omni?

The largest context among free routes is 262,144 tokens. Some providers cap it lower.

How do I call Nemotron 3 Nano Omni via API?

Use any OpenAI-compatible client with base URL https://openrouter.ai/api/v1, model ID nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free, and a OpenRouter key.

How good is Nemotron 3 Nano Omni?

Artificial Analysis Intelligence Index: 10.3, GPQA Diamond: 47%. For comparison, the strongest free model in the catalog right now is GLM 5.3.

Is Nemotron 3 Nano Omni open-weight?

Yes, the weights are published — you can download and run it locally, for example with Ollama or LM Studio.