nemotron-3-ultra Free API on Ollama Cloud

Free API Verified

Available from Ollama Cloud

Catalog profile Reasoning provider catalog metadata

Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy

Free APIOpenAI compatibleReasoningTool callingTextReasoning

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API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://api.ollama.com

Model ID

nemotron-3-ultra

API format OpenAI-style

Technical Details

nemotron-3-ultra specifications

Provider catalog

Context window 262K

Max output 131K

Status Online

Released Jun 4, 2026

Last updated Aug 2, 2026

Free listing since Jun 4, 2026

Input text, reasoning

Output text

Capabilities reasoning, tool calling

AI Recommendation

Should you use nemotron-3-ultra?

nemotron-3-ultra is listed for chat, reasoning workloads and supports a 262K context window.

Use it when Ollama Cloud's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat
Reasoning

Strengths & Weaknesses

Strengths

Strong reasoning profile
Long context window
Reasoning mode listed
Tool calling support

Watch outs

Free-tier rate limits apply
Vision support is not listed

Availability

nemotron-3-ultra availability by provider

Current provider only

We only found this nemotron-3-ultra listing on Ollama Cloud in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
Ollama Cloud	nemotron-3-ultra	Free tier	262K	OpenAI-style	Session/weekly limits (unpublished)

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Compare

nemotron-3-ultra alternatives to consider

Open comparison

Model	Provider	Context	Access
deepseek-v4-pro	Ollama Cloud	128K	Free tier
deepseek-v4-flash	Ollama Cloud	1.0M	Free tier
minimax-m3	Ollama Cloud	1.0M	Free tier
kimi-k3	Ollama Cloud	128K	Free tier
gpt-oss:20b	Ollama Cloud	131K	Free tier

Typical Use Cases

nemotron-3-ultra use cases

Chat

nemotron-3-ultra is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

Reasoning

nemotron-3-ultra is tagged for reasoning in this catalog and works with OpenAI-compatible client libraries.

FAQ

nemotron-3-ultra free API FAQ

Is nemotron-3-ultra free to use?

nemotron-3-ultra is listed with free API access on Ollama Cloud, subject to the provider's quota and account policy.

What is the nemotron-3-ultra model ID?

The model ID shown in this catalog is nemotron-3-ultra.

What are the nemotron-3-ultra free tier rate limits on Ollama Cloud?

The listed free tier limit is Session/weekly limits (unpublished). Limits can change per account tier, so confirm against the provider dashboard.

What context window does nemotron-3-ultra support?

The listed context window is 262K tokens with up to 131K output tokens.

More about nemotron-3-ultra