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Nemotron 3 Ultra 550B A55B

NVIDIAReleased Jun 4, 2026Current

Score basis

Nemotron 3 Ultra 550B A55B is at the frontier in instruction following; strong in long context; and behind the leaders in factuality, reasoning, coding, math, and agentic tasks. Too few results yet to rate safety, multimodal tasks, or multilingual tasks.

Capability profile

Bars show the model's median result as a share of the leading model's, per capability. Select a row to see its results.

Frontier1 capability
  1. Instruction Following−5.5%3 of 3
Strong1 capability
  1. Long Context−6.5%2 of 3
Limited5 capabilities
  1. Factuality−29.6%3 of 4
  2. Reasoning−31.9%5 of 6
  3. Coding−38.4%8 of 10
  4. Math−38.7%1 of 5
  5. Agentic−43.8%6 of 7
Not rated3 capabilities

Too few results yet to rate Safety, Multimodal or Multilingual.

Price

$0.60input$2.50outputper million tokens

From Artificial Analysis · 4 providers tracked · All prices

Costs more than 60% of 330 priced models · 3:1 input-to-output blend, log scale

Evidence

109results on70benchmarks

  • 12 independently verified
  • 18 aggregator
  • 60 vendor-reported
  • 19 cross-referenced

From 12 sources · latest Oct 8, 2026 · How verification works

API features

Tool callingReasoning

As listed by OpenRouter

Research

2 papers reference Nemotron 3 Ultra 550B A55B

Nemotron 3 Ultra 550B A55B benchmark results

109 results on 70 benchmarks, grouped by capability. Each bar is the result as a share of the capability leader's; every result links to its source.

Instruction Following

FrontierFull instruction following ranking

5.5% behind the leader3 of 3 ranked benchmarks measured

Show 2 more instruction following resultsHide 2 instruction following results

Long Context

StrongFull long context ranking

6.5% behind the leader2 of 3 ranked benchmarks measured

Show 1 more long context resultHide 1 long context result

Factuality

LimitedFull factuality ranking

29.6% behind the leader3 of 4 ranked benchmarks measured

Reasoning

LimitedFull reasoning ranking

31.9% behind the leader5 of 6 ranked benchmarks measured

Show 9 more reasoning resultsHide 9 reasoning results

Coding

LimitedFull coding ranking

38.4% behind the leader8 of 10 ranked benchmarks measured

Show 8 more coding resultsHide 8 coding results

Math

LimitedFull math ranking

38.7% behind the leader1 of 5 ranked benchmarks measured

Show 3 more math resultsHide 3 math results

Agentic

LimitedFull agentic ranking

43.8% behind the leader6 of 7 ranked benchmarks measured

Show 7 more agentic resultsHide 7 agentic results

More results

Benchmarks outside the capability baskets. They are not ranked against a leader.

Show 46 more resultsHide 46 results

Nemotron 3 Ultra 550B A55B: common questions

Who makes Nemotron 3 Ultra 550B A55B?

Nemotron 3 Ultra 550B A55B is made by NVIDIA.

When was Nemotron 3 Ultra 550B A55B released?

Nemotron 3 Ultra 550B A55B was released on Jun 4, 2026, according to Artificial Analysis.

What is Nemotron 3 Ultra 550B A55B good at?

Nemotron 3 Ultra 550B A55B is at the frontier in instruction following; strong in long context; and behind the leaders in factuality, reasoning, coding, math, and agentic tasks. Too few results yet to rate safety, multimodal tasks, or multilingual tasks.

How much does Nemotron 3 Ultra 550B A55B cost?

Nemotron 3 Ultra 550B A55B costs $0.60 per million input tokens and $2.50 per million output tokens, according to Artificial Analysis. We track its price at 4 providers. At a mix of three input tokens to one output token, it costs more than 60% of the 330 priced models we track.

How many benchmarks has Nemotron 3 Ultra 550B A55B been tested on?

We track 109 results for Nemotron 3 Ultra 550B A55B on 70 benchmarks from 12 sources, 12 of them independently verified. The latest was recorded on Oct 8, 2026.

Which API features does Nemotron 3 Ultra 550B A55B support?

OpenRouter lists tool calling and reasoning for Nemotron 3 Ultra 550B A55B.

About this record

Where Nemotron 3 Ultra 550B A55B's numbers come from, and every name it appears under.

Tracked since
Jun 24, 2026
Newest source mention
Oct 8, 2026

Where the results come from

Verification: 109 scores · 12 independently verified · 18 aggregator-attributed · 19 vendor cross-reference · 60 vendor-reported. How these tiers are assigned

From 12 sources on 7 sites. Hugging Face supplies 45 of them; the 12 independently verified results come from 4 sites. Bars are coloured by trust tier.

  • huggingface.co45
  • api.llm-stats.com21
  • artificialanalysis.ai20
  • thinkingmachines.ai13
  • livebench.ai7
  • labs.scale.com2
  • simple-bench.com1

Also known as

How our sources name Nemotron 3 Ultra 550B A55B at each reasoning setting.

SettingShort form
highnemotron-3-ultra-nvfp4 high
xhighnemotron 3 ultra (xhigh)
Also listed asnemotron 3 ultraNemotron 3 Ultra (Reasoning)nemotron 3 ultra (thinking)nemotron 3 ultra 550b a55b (reasoning)Nemotron 3 Ultra 550B A55B NVFP4nemotron-3-ultra-550b-a55b:batchnemotron-3-ultra-550b-a55b:freenvidia-nemotron-3-ultra-550b-a55bnvidia-nemotron-3-ultra-550b-a55b-nvfp4nvidia nemotron 3 ultranemotron 3 ultra 550b