nemotron-3-nano-omni-30b-a3b-reasoning-free
Nemotron 3 Nano Omni (free) is a 30B-A3B open multimodal model from NVIDIA, designed as a perception and context sub-agent in enterprise agent systems; it accepts text, image, video and audio. This is the free tier served through OpenRouter: requests are rate-limited, the free version may be withdrawn at any time, and free providers may log prompts — use the paid version for production.
料金： 入力：100 万トークンあたり 0 クレジット（約 $0.00）、出力：100 万トークンあたり 0 クレジット（約 $0.00）。
今日はどんなお手伝いができますか？
このデモページにはクライアントの完全な記憶機能はありません。すべての機能をご利用いただくには、クライアントまたは CLI から接続してください。
NVIDIA のほかの AI モデル
Nemotron 3 Nano Omni (free) is a 30B-A3B open multimodal model from NVIDIA, designed as a perception and context sub-agent in enterprise agent systems; it accepts text, image, video and audio. This is the free tier served through OpenRouter: requests are rate-limited, the free version may be withdrawn at any time, and free providers may log prompts — use the paid version for production.
Nemotron 3 Nano Omni (free) at a glance
Nemotron 3 Nano Omni (free) is a chat model from NVIDIA. It accepts text, images, video and audio as input and returns text, with a context window of up to 256K tokens.
Use it without hosting anything
The same key also works for the other chat, image, video and audio models on ModelFold.
Core Capabilities of Nemotron 3 Nano Omni (free)
Up to 256K tokens of context
Keep long conversations, large documents and sizeable code in a single request, so the model can reason over the full material instead of fragments.
Understands images, video and audio
Besides text, Nemotron 3 Nano Omni (free) accepts images, video and audio as input, so a single request can combine instructions with visual or other media.
Function calling
Nemotron 3 Nano Omni (free) supports tool (function) calling: describe your functions in the request and the model returns structured calls your code can run — the basis for agents and integrations.
Reasoning mode
Nemotron 3 Nano Omni (free) can produce reasoning before its final answer; in the Playground you can switch reasoning on or off to compare results.
- 1
Step 1: Try it in the Playground
Open the Playground at the top of this page, type a prompt and see how Nemotron 3 Nano Omni (free) responds before writing any code.
- 2
Step 2: Create an API key
Sign in to ModelFold and create an API key in the console. Keep it secret and send it as a Bearer token.
- 3
Step 3: Send a request
Call POST https://modelfold.ai/v1/chat/completions with "model": "nemotron-3-nano-omni-30b-a3b-reasoning-free" and your messages. Existing OpenAI-compatible SDKs work by changing the base URL and key.
- ✓
Step 4: Ship and monitor
Integrate the response into your product and check token usage and spend for every call in the console logs.
Audio and video analysis
Summarize recordings, meetings and video clips, extract key points and answer questions about their content.
Screenshot and image understanding
Read screenshots, charts, diagrams and photos alongside text — for UI review, visual QA or turning images into structured data.
Autonomous agents
Build agents that plan multi-step tasks, call your tools and APIs, and keep working toward a goal across long sessions.
Frequently Asked Questions
What is Nemotron 3 Nano Omni (free)?⌄
Nemotron 3 Nano Omni (free) is a 30B-A3B open multimodal model from NVIDIA, designed as a perception and context sub-agent in enterprise agent systems; it accepts text, image, video and audio. This is the free tier served through OpenRouter: requests are rate-limited, the free version may be withdrawn at any time, and free providers may log prompts — use the paid version for production.
Which inputs does Nemotron 3 Nano Omni (free) support?⌄
Nemotron 3 Nano Omni (free) accepts text, images, video and audio and returns text. Through ModelFold you can send text and images (OpenAI-style image_url content); in the Playground you can also attach documents, which are converted to text.
How long is the context window of Nemotron 3 Nano Omni (free)?⌄
Up to 256K tokens, shared between your input and the model’s output.
Does Nemotron 3 Nano Omni (free) support function calling?⌄
Yes. Nemotron 3 Nano Omni (free) supports tools / function calling through the standard tools parameter of the chat completions API.
How is Nemotron 3 Nano Omni (free) billed on ModelFold?⌄
This is the free version served through OpenRouter: calls are not charged, but they are rate-limited and the free version may be withdrawn at any time. Use the paid version of the model for production traffic.
| 入力 | 0 クレジット 1M tokens≈ $0.00 |
| 出力 | 0 クレジット 1M tokens≈ $0.00 |
トークン単位で課金し、入力と出力は別料金です。思考トークンは出力に含まれます。Playground でも同じ計算を使います。
API ドキュメントを見る →AI Agents · Claude Code / Cursor / Trae →curl https://modelfold.ai/v1/chat/completions \
-H "Authorization: Bearer $MODELFOLD_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"nemotron-3-nano-omni-30b-a3b-reasoning-free","messages":[{"role":"user","content":"Hello"}]}'