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nvidia/nemotron-3-ultra-550b-a55b
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Nemotron 3 Ultra
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...
6/4/2026
512,288 tokens
#58 Text (Math)
Specifications
Modalities
Input
text
Output
text
Supported Parameters
frequency_penalty
include_reasoning
logit_bias
max_tokens
min_p
presence_penalty
reasoning
reasoning_effort
repetition_penalty
response_format
seed
stop
structured_outputs
temperature
tool_choice
tools
top_k
top_p
Max Output Tokens
16,384Leaderboard
Text
๐OverallELO: 1,426
#94๐จ๐ณChineseELO: 1,464
#96๐ฐ๐ทKoreanELO: 1,350
#108๐ฌ๐งEnglishELO: 1,438
#93frenchELO: 1,451
#82germanELO: 1,440
#61spanishELO: 1,424
#79russianELO: 1,403
#118๐ปCodingELO: 1,474
#92๐งฎMathELO: 1,446
#58โ๏ธCreative WritingELO: 1,378
#123๐Instruction FollowingELO: 1,405
#113๐ถ๏ธHard PromptsELO: 1,443
#101๐ฌMulti-TurnELO: 1,398
#138