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NVIDIA: Nemotron 3 Ultra (free)

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...

Context Window
1000K tokens
Parameters
55B
Input Price
Free
Output Price
Free
Price Tier
budget
Provider
NVIDIA

How to Use NVIDIA: Nemotron 3 Ultra (free)

With CoreAI, you can start chatting with NVIDIA: Nemotron 3 Ultra (free) instantly — no separate subscription needed. CoreAI lets you chat with NVIDIA: Nemotron 3 Ultra (free) alongside 300+ other AI models from NVIDIA and other providers like OpenAI, Anthropic, Google, Meta, and more.

  1. Download the CoreAI app for iOS, Android, or use the Web App
  2. Select NVIDIA: Nemotron 3 Ultra (free) from the model selector
  3. Start chatting, comparing, or creating with AI

NVIDIA: Nemotron 3 Ultra (free) at a Glance

Measured against all 451 chat models CoreAI serves, NVIDIA: Nemotron 3 Ultra (free) sits at #127 for context capacity — 1M tokens, roughly 750,000 words or 1,500 pages of text in a single conversation. It joined the catalog on 2026-06-04. It supports step-by-step reasoning (thinking mode).

NVIDIA: Nemotron 3 Ultra (free) Compared to Its Closest Alternatives

SpecNVIDIA: Nemotron 3 Ultra (free)NVIDIA: Nemotron 3.5 Super VL (free)Inception: Mercury 3
ProviderNVIDIANVIDIAInception
Input $/1M tokensFreeFree$0.1
Output $/1M tokensFreeFree$0.35
Context window1M1M1M
Reasoning modeYesYesYes
Image inputNoYesNo
Price tierbudgetbudgetbudget

Every model in this table is available on CoreAI — open the web app and run the same prompt through NVIDIA: Nemotron 3 Ultra (free) and NVIDIA: Nemotron 3.5 Super VL (free) side by side to judge with your own eyes.

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NVIDIA: Nemotron 3.5 Super VL (free)

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NVIDIA: Nemotron 3.5 Lightning

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NVIDIA: Nemotron 3.5 Lightning (free)

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NVIDIA: Nemotron 3.5 Content Safety

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Frequently Asked Questions about NVIDIA: Nemotron 3 Ultra (free)

What is NVIDIA: Nemotron 3 Ultra (free)'s context window?

NVIDIA: Nemotron 3 Ultra (free) handles 1M tokens of context — roughly 750,000 words, or about 1,500 pages of text in one conversation.

How much does NVIDIA: Nemotron 3 Ultra (free) cost?

NVIDIA: Nemotron 3 Ultra (free) is one of the budget-friendly options in the CoreAI catalog, included in the same single subscription as every other model.

Can NVIDIA: Nemotron 3 Ultra (free) process images?

No — NVIDIA: Nemotron 3 Ultra (free) is text-only. If you need image understanding, its budget-tier peers with vision are listed in the comparison table above.

Does NVIDIA: Nemotron 3 Ultra (free) support reasoning or thinking mode?

Yes. NVIDIA: Nemotron 3 Ultra (free) can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.

How can I use NVIDIA: Nemotron 3 Ultra (free) without an API key?

Open the CoreAI web app or the iOS/Android app, pick NVIDIA: Nemotron 3 Ultra (free) in the model selector, and chat — no API key, no per-token billing. One subscription covers NVIDIA: Nemotron 3 Ultra (free) and 300+ other models.

What are the best alternatives to NVIDIA: Nemotron 3 Ultra (free)?

The closest alternatives on CoreAI are NVIDIA: Nemotron 3.5 Super VL (free), Inception: Mercury 3 — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.

Read More about NVIDIA: Nemotron 3 Ultra (free)

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