Frontier Reasoning FREE

Nemotron 3 Ultra FREE

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model with 55B active parameters out of 550B total — 100% free on Hoodgen. Built for complex reasoning, agent orchestration, and production-scale tasks.

Provider: NVIDIAStatus: Live

Technical Specifications

Live data fetched from the OpenRouter model registry — always up to date.

Context Length
Loading...
Entire repositories in one session
Max Completion
Loading...
Tokens per single response
Prompt Pricing
Loading...
Per million input tokens
Completion Pricing
Loading...
Per million output tokens
Modality
Loading...
Text + Image + Video input
Model ID
Loading...
OpenRouter identifier

What is Nemotron 3 Ultra?

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model with 55B active parameters out of 550B total. It is designed for complex reasoning, agent orchestration, and production-scale tasks. With a 1M token context window, it can process entire codebases and long documents. Best of all — it is 100% free to use on Hoodgen AI.

Features & Capabilities

Frontier Reasoning

Complex multi-step reasoning for hard problems.

1M Context

Process entire codebases and long documents in one session.

Agent Orchestration

Built to coordinate multi-agent workflows reliably.

100% Free

No cost at all — chat unlimited on Hoodgen with free credits.

Coding Power

Strong code generation, review, and debugging.

Open Weights

Open frontier model from NVIDIA — transparent and accessible.

Who Is Nemotron 3 Ultra For?

Complex Reasoning

Tackle hard logic, math, and multi-step problems with depth.

Agent Orchestration

Coordinate multiple agents and long-horizon workflows.

Software Engineering

Architect, generate, and debug code at scale.

Research & Analysis

Process huge documents and datasets with a 1M context.

Nemotron 3 Ultra Pricing

₹0
starting from free credits
  • Unlimited chats on free plan credits
  • No credit card required
  • Included in Hoodgen AI free tier (100 credits/mo)
  • Premium models also available on paid plans
See Plans →

What Makes Nemotron 3 Ultra Different?

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model with 284B total parameters but only 13B active per token. This architecture is what makes it special — it delivers near-frontier quality at a fraction of the compute cost, which shows up as very low pricing on OpenRouter.

Three features define DeepSeek V4 Flash 0731's pitch. The first is the 1.3M token context window — enough to hold entire repositories and long task histories in one session. The second is the sparse MoE design that keeps both cost and latency low. The third is DeepSeek's open-weight philosophy, which has made its models widely adopted across the developer community.

DeepSeek V4 Flash 0731 also supports tool calling, structured outputs, and other agent-friendly features, making it a practical choice for production agentic workloads and automated pipelines.

Nemotron 3 Ultra Performance

Nemotron 3 Ultra is NVIDIA's flagship open reasoning model. With 55B active parameters out of 550B total, it delivers frontier-adjacent reasoning and orchestration capability. Being free makes it an exceptional value — frontier-level depth at zero cost.

Model
DeepSWE Score
Context
Price
Nemotron 3 Ultra
Sparse MoE · 13B active
1.3M tokens
~$0.06/M input
DeepSeek V4 Flash
Fast MoE
GLM-5.3
62%
GPT-5.6-sol
52%

What Can You Do With Nemotron 3 Ultra?

Nemotron 3 Ultra handles the hardest tasks without costing a rupee. Use it for deep reasoning, multi-agent orchestration, software engineering, and long-context analysis. Its free pricing means you can run as many complex tasks as your Hoodgen credits allow.

Best Use Cases

  • Deep reasoning and problem solving
  • Multi-agent workflow orchestration
  • Software engineering at scale
  • Long-context research and analysis
  • Production agentic workloads

Nemotron 3 Ultra Privacy & Data Policy

Nemotron 3 Ultra is developed by NVIDIA and hosted on OpenRouter. Prompts and completions are processed by NVIDIA's infrastructure. As with any third-party model, avoid sharing sensitive personal data.

Because Nemotron 3 Ultra is a third-party hosted model, avoid pasting passwords, personal data, or proprietary source code you would not share with any external provider. Hoodgen AI always keeps free alternative models available so you can switch without interruption.

Nemotron 3 Ultra vs Other Models

Feature
Nemotron 3 Ultra
GPT-5.6 Luna
Claude Haiku 4.5
Type
Fast MoE
General
General
Context
1.3M tokens
1M
1M
Best For
High-volume, coding, long context
Fast, cost-efficient chat
Balanced general chat
Price
~$0.06/M
$1.25/M
$1.25/M
Vision
Text

Frequently Asked Questions

Yes. Nemotron 3 Ultra is 100% free on OpenRouter and included in your Hoodgen AI free plan credits. No hidden charges.

Ready to reason for free?

Chat with Nemotron 3 Ultra free — sign in and start a conversation in seconds.

Start Chatting Free