How much does Nemotron 3 Ultra cost on Zeplik?

Input tokens cost 6.9 credits per million and output tokens 34.4 credits per million (1 credit = $0.10; the raw provider rates are $0.63 and $3.13 per million). New accounts start with free credits.

How long can a conversation with Nemotron 3 Ultra be?

Nemotron 3 Ultra has a 256K-token context window (256,000 tokens), which covers the conversation plus any documents you attach.

Does Nemotron 3 Ultra support images and tools?

Nemotron 3 Ultra is text-only and supports tool calling.

Nemotron 3 Ultra

Open weightTools

NVIDIA · Released June 2026

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...

It belongs to NVIDIA's open-weight Nemotron line, tuned for helpfulness and agents on top of leading open architectures.

Facts and pricing

Provider: NVIDIA
Context window: 256K tokens
Input price: 6.9 credits / 1M tokens ($0.63 raw)
Output price: 34.4 credits / 1M tokens ($3.13 raw)
Vision (image input): No
Tool calling: Yes
Extended reasoning: No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.

Try Nemotron 3 Ultra now

Or open Zeplik with Nemotron 3 Ultra already selected

What Nemotron 3 Ultra is best for

Everyday chat and drafting on an open-weight model with transparent lineage
Long documents: the 256K-token window holds lengthy reports, contracts or papers whole
Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows

Example prompts

Prompts that suit a open weight model like Nemotron 3 Ultra:

Draft a project update from these rough notes
Explain how HTTPS works to a curious teenager
Turn this list of features into a changelog entry
Brainstorm objections to this proposal and how to answer them

NVIDIA family

Model	Context	Input cr/M	Output cr/M	Released
Nemotron 3.5 Lightning (free)	1M	0	0	August 2026
Nemotron 3.5 Lightning	262K	0.88	2.2	August 2026
Nemotron 3.5 Content Safety	131K	2.2	2.2	June 2026
Nemotron 3.5 Content Safety (free)	128K	0	0	June 2026
Nemotron 3 Ultra (free)	1M	0	0	June 2026
Nemotron 3 Ultra	256K	6.9	34.4	June 2026
Nemotron 3 Nano Omni (free)	256K	0	0	April 2026
Nemotron 3 Super	262K	0.93	4.4	March 2026
Nemotron 3 Super (free)	262K	0	0	March 2026
Nemotron 3 Nano 30B A3B	262K	0.55	2.2	December 2025

Frequently asked questions

What is Nemotron 3 Ultra?: Nemotron 3 Ultra is an AI model by NVIDIA. 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...
How much does Nemotron 3 Ultra cost on Zeplik?: Input tokens cost 6.9 credits per million and output tokens 34.4 credits per million (1 credit = $0.10; the raw provider rates are $0.63 and $3.13 per million). New accounts start with free credits.
How long can a conversation with Nemotron 3 Ultra be?: Nemotron 3 Ultra has a 256K-token context window (256,000 tokens), which covers the conversation plus any documents you attach.
Does Nemotron 3 Ultra support images and tools?: Nemotron 3 Ultra is text-only and supports tool calling.

NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, with 3B active parameters out of 30B total. It is suited for high-throughput agentic workloads and specialized tasks that...

1M ctx0 cr/M outAugust 2026

Nemotron 3.5 LightningOpen weight

262K ctx2.2 cr/M outAugust 2026

Nemotron 3.5 Content SafetyOpen weight

NVIDIA Nemotron 3.5 Content Safety is a compact 4B-parameter multimodal guardrail model from NVIDIA, fine-tuned from Google Gemma-3-4B. It moderates both inputs to and responses from LLMs and VLMs, accepting...

131K ctx2.2 cr/M outJune 2026

Nemotron 3.5 Content Safety (free)Open weight

128K ctx0 cr/M outJune 2026

Nemotron 3 Ultra (free)Open weight

1M ctx0 cr/M outJune 2026

Nemotron 3 Nano Omni (free)Fast and light

NVIDIA Nemotron™ 3 Nano Omni is a 30B-A3B open multimodal model designed to function as a perception and context sub-agent in enterprise agent systems. It accepts text, image, video, and...

256K ctx0 cr/M outApril 2026