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Nemotron 3 Ultra

nvidia/nemotron-3-ultra-550b-a55b-20260604
NVIDIAUS/CanadaOpen weights

The 9th most-used model on the router over the last 7 days, with 3.1% of tokens. Weekly share peaked at 5.1% in the week of Aug 17, 2026, with 69T tokens processed since Jun 1, 2026.

Launch
Jun 4, 2026
Context
256k tokens
Modality
text → text
Reasoning
yes
License
Open weights
Input
$0.60 / 1M
Output
$2.40 / 1M
Share, last 7 days
3.1%
9th of 63 · Oct 19, 2026 to Oct 25, 2026
Peak weekly share
5.1%
week of Aug 17, 2026
Cumulative tokens
69T
since the week of Jun 1, 2026
Weeks in the top 10
16
of 21 weeks with volume

Weekly token share

Share of the router's weekly volume, since the first week with volume

0%2%4%6%Jun '26JulAugSepOctpeak 5.1% on Aug 17, 2026
See the numbers
WeekShare
Oct 19, 20263.112%
Oct 12, 20263.029%
Oct 5, 20264.000%
Sep 28, 20263.406%
Sep 21, 20263.891%
Sep 14, 20263.487%
Sep 7, 20262.809%
Aug 31, 20263.149%
Aug 24, 20264.713%
Aug 17, 20265.084%
Aug 10, 20262.847%
Aug 3, 20263.486%
Jul 27, 20264.274%
Jul 20, 20264.031%
Jul 13, 20265.011%
Jul 6, 20263.923%
Jun 29, 20262.206%
Jun 22, 20261.530%
Jun 15, 20261.348%
Jun 8, 20261.780%
Jun 1, 20260.823%

Debuted in the week of Jun 1, 2026 and peaked at 5.1% 11 weeks later. The latest full week came in at 3.1%, 61% of peak.

What this model is used for new

Tasks where the model ranks among the leaders, and its share of each

Ranks among the leaders in 6 of the 29 classified tasks. Its largest share is in frontend and UI, 9.7% of the task's tokens; in the heaviest task where it appears, code generation (9.0% of classified volume), it holds 7.3%.

Snapshot of the rolling 7-day window through Oct 25, 2026. Share: the model's tokens in the task over the task's total tokens. Weight: the task's share of classified volume.

Where to run it

Endpoints in the source's catalog, from cheapest to most expensive on input

ProviderInputOutputContextQuantizationZero retention
DeepInfra$0.40$1.76256kfp4yes
DeepInfra$0.50$2.20256kfp4yes
BaseTen$0.60$2.40198kfp4yes
BaseTen$0.60$2.40198kfp4yes
Venice$0.625$3.13250kfp8yes

5 endpoints across 3 providers, with input from $0.40 to $0.625 per 1M tokens. 5 offer zero data retention.

Prices in US dollars per million tokens, from the latest archived endpoint catalog.

Benchmarks

Artificial Analysis indexes and benchmarks run by the source, with cost per task

Intelligence
22.9
84th of 199
Coding
49.3
57th of 109
Agents
20.1
43rd of 85

GPQA Diamond 81.2%

$0.14 per task, 172 tasks. 99th of 169 evaluated. Median of evaluated models: 83.4%, $0.025 per task.

τ-bench verified, airline 72.0%

$0.15 per task, 50 tasks. 66th of 150 evaluated. Median of evaluated models: 71.2%, $0.064 per task.

Artificial Analysis indexes, exposed by the catalog; benchmarks run by the source and archived on Oct 26, 2026. The gray mark is the median of evaluated models.

Against the week's largest models

The five largest proprietary and five largest open-weights models over the last 7 days

ModelLab7-day shareBlended priceContextIntelligenceWeeks in top 10
Proprietary
GPT-6 LunaOpenAIOpenAI4.4%$0.201M38.15
Claude Opus 5.5AnthropicAnthropic4.4%$8.001M57.63
jev-1.13TypesafeTypesafe1.6%———0
GPT-6.1 SolOpenAIOpenAI1.5%$4.001M51.80
Muse Spark 1.3 ContributorMetaMeta1.5%$0.1251M—0
Open weights
DeepSeek V4.1 Flash 1017DeepSeekDeepSeek17.9%$0.2631M39.51
DeepSeek V4.1 FlashDeepSeekDeepSeek9.6%$0.2651M24.77
MiniMax M3.1 FlashMiniMaxMiniMax7.7%$0.2631M42.71
GLM 5.3 FlashZ.ai (GLM)Z.ai (GLM)7.0%$0.2371M41.89
Hy4 previewTencentTencent4.8%$1.251M—8
Nemotron 3 Ultrathis pageNVIDIANVIDIA3.1%$1.05256k22.916

Share over the last 7 days (Oct 19, 2026 to Oct 25, 2026). Blended price in US dollars per million tokens, weighted 75% input and 25% output. A dash means the number is not published, not zero.

What this page doesn't say. Share here is a slice of one router's traffic, where the deciding factor is usually price per token. It is not market, revenue or user share, and it does not tell you which model fits your workload.