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NVIDIA（美国）

Nemotron 3 Ultra

COpen

NVIDIA's October 2026 open-weight MoE model (550B total / 55B active). It drew 6.38T tokens on OpenRouter in a week (#7) and 22.5T over a month (+31%), and a free endpoint with a 1M context makes it a cost-effective pick for long-context batch workloads.

API Pricing

Input

$0.5

Output

$2.2

Cached input

—

Peak hours

—

USD / 1M tokens

※ OpenRouter 实测（2026-10）：输入 $0.50 / 输出 $2.20（美元/百万 tokens）；同名 :free 端点免费（上下文 1M）

Price sourceopenrouter.ai ↗build.nvidia.com ↗

Latest change：Up 208.8% vs previous（$0.4 → $1.235 / 1M）

Price history

12 snapshots · 2026-04-28 → 2026-08-17

Current: $1.235Period low: $0.4 (2026-04-28)Period high: $1.235 (2026-08-17)First tracked: $0.4 (2026-04-28)

Specifications

Context window
262K Tokens
Total parameters
550B
Active parameters
55B
Architecture
MoE
License
NVIDIA Open Model License

Overall score

Total

42.8

Rank

#25

Tier

C

Data confidence

25%

Capability35
Scale35
Value35
Context34.5
Ecosystem55
Freshness94.4

Capabilities & use cases

Best for

  • 私有化自部署
  • 长上下文批处理
  • 企业内网推理
  • 高并发推理服务

Official links

Website ↗API platform ↗Pricing page ↗Open in comparator ↗

Similar price

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FAQ

What does Nemotron 3 Ultra cost?
Nemotron 3 Ultra is priced at $2.2 output and $0.5 input (USD per 1M tokens)
How large is the context window of Nemotron 3 Ultra?
Nemotron 3 Ultra has a 262K Tokens context window with up to — output.
Where can I access Nemotron 3 Ultra?
Official channels: Website and API platform.

Data is refreshed daily and cross-checked against two independent sources; please confirm pricing and specs on the vendor page.