Catalog Changes · 2026-10-15 06:04:22.873708

NVIDIA: Nemotron 3 Ultra · 2026-10-15 06:04:22.873708 UTC

Kilo

2 Changed Fields

Field / Array Position	Previous Value	Observed Value
Enkrypt · Last Checked At	2026-10-14T04:00:25.826Z	2026-10-15T04:00:26.298Z
Enkrypt · Stale After	2026-10-15T06:00:25.826Z	2026-10-16T06:00:26.298Z

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NVIDIA: Nemotron 3 Ultra

nvidia/nemotron-3-ultra-550b-a55b

Kilo Catalog Changes

Last Observed: 2026-10-15 06:04:22.873708 UTC

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...

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Architecture And Modalities · 2

Architecture · Modality API Details /architecture/modality text->text	text->text
Architecture · Tokenizer API Details /architecture/tokenizer Other	Other

Catalog Identity And Metadata · 36

Context Tokens API Details /context_length 262144	262,144
Created API Details /created 1780551208	2026-06-04 05:33:28 UTC
Description API Details /description 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...	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...
Enkrypt · Bias Score API Details /enkrypt/bias_score 87.34	87.34
Enkrypt · Cbrn Score API Details /enkrypt/cbrn_score 52.67	52.67
Enkrypt · Evaluated At API Details /enkrypt/evaluatedAt Explicit Null	Explicit Null
Enkrypt · Evasion Score API Details /enkrypt/evasion_score Explicit Null	Explicit Null
Enkrypt · Freshness API Details /enkrypt/freshness fresh	fresh
Enkrypt · Harmful Score API Details /enkrypt/harmful_score 9.44	9.44
Enkrypt · Ingested At API Details /enkrypt/ingestedAt 2026-09-29T04:00:25.155Z	2026-09-29T04:00:25.155Z
Enkrypt · Insecure Code Score API Details /enkrypt/insecure_code_score 6.22	6.22
Enkrypt · Jailbreak Score API Details /enkrypt/jailbreak_score 27.1942	27.1942
Enkrypt · Last Checked At API Details /enkrypt/lastCheckedAt 2026-10-15T04:00:26.298Z	2026-10-15T04:00:26.298Z
Enkrypt · Model Name API Details /enkrypt/model_name nemotron-3-ultra-550b-a55b	nemotron-3-ultra-550b-a55b
Enkrypt · Nist Score API Details /enkrypt/nist_score 32	32
Enkrypt · Owasp Score API Details /enkrypt/owasp_score 35	35
Enkrypt · Provider API Details /enkrypt/provider openai_compatible	openai_compatible
Enkrypt · Risk Score API Details /enkrypt/risk_score 32.0435	32.0435
Enkrypt · Robustness Score API Details /enkrypt/robustness_score Explicit Null	Explicit Null
Enkrypt · Safety Score API Details /enkrypt/safety_score 41.7803	41.7803
Enkrypt · Source API Details /enkrypt/source nvidia	nvidia
Enkrypt · Stale After API Details /enkrypt/staleAfter 2026-10-16T06:00:26.298Z	2026-10-16T06:00:26.298Z
Enkrypt · Toxicity Score API Details /enkrypt/toxicity_score 4.55	4.55
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Id API Details /id nvidia/nemotron-3-ultra-550b-a55b	nvidia/nemotron-3-ultra-550b-a55b
Is Free API Details /isFree False	False
May Train On Your Prompts API Details /mayTrainOnYourPrompts False	False
Name API Details /name NVIDIA: Nemotron 3 Ultra	NVIDIA: Nemotron 3 Ultra
Opencode · Variants · High · Reasoning · Effort API Details /opencode/variants/high/reasoning/effort high	high
Opencode · Variants · High · Reasoning · Enabled API Details /opencode/variants/high/reasoning/enabled True	True
Opencode · Variants · Medium · Reasoning · Effort API Details /opencode/variants/medium/reasoning/effort medium	medium
Opencode · Variants · Medium · Reasoning · Enabled API Details /opencode/variants/medium/reasoning/enabled True	True
Opencode · Variants · None · Reasoning · Effort API Details /opencode/variants/none/reasoning/effort none	none
Opencode · Variants · None · Reasoning · Enabled API Details /opencode/variants/none/reasoning/enabled False	False
Terminal Bench · Avg Attempt Cost Usd API Details /terminalBench/avgAttemptCostUsd 101.8186902	101.8186902
Terminal Bench · Overall Score API Details /terminalBench/overallScore 0.19101124	0.19101124

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 4

Output Price · USD/Token API Details /pricing/completion 0.0000022	0.0000022
Pricing · Discount API Details /pricing/discount 0	0
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.0000001	0.0000001
Input Price · USD/Token API Details /pricing/prompt 0.0000005	0.0000005

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 202800	202,800
Top Provider · Is Moderated API Details /top_provider/is_moderated False	False
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 182520	182,520

API Structure And Container Types

Architecture API Details /architecture Object · See Fields	Object · See Fields
Architecture · Input Modalities API Details /architecture/input_modalities Array · See Items	Array · See Items
Architecture · Output Modalities API Details /architecture/output_modalities Array · See Items	Array · See Items
Enkrypt API Details /enkrypt Object · See Fields	Object · See Fields
Opencode API Details /opencode Object · See Fields	Object · See Fields
Opencode · Variants API Details /opencode/variants Object · See Fields	Object · See Fields
Opencode · Variants · High API Details /opencode/variants/high Object · See Fields	Object · See Fields
Opencode · Variants · High · Reasoning API Details /opencode/variants/high/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · Medium API Details /opencode/variants/medium Object · See Fields	Object · See Fields
Opencode · Variants · Medium · Reasoning API Details /opencode/variants/medium/reasoning Object · See Fields	Object · See Fields
Opencode · Variants · None API Details /opencode/variants/none Object · See Fields	Object · See Fields
Opencode · Variants · None · Reasoning API Details /opencode/variants/none/reasoning Object · See Fields	Object · See Fields
Pricing API Details /pricing Object · See Fields	Object · See Fields
Supported Parameters API Details /supported_parameters Array · See Items	Array · See Items
Terminal Bench API Details /terminalBench Object · See Fields	Object · See Fields
Top Provider API Details /top_provider Object · See Fields	Object · See Fields

Architecture · Input Modalities

1 items · source order preserved

text

API Details

Item	/architecture/input_modalities/*
1	text

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

18 items · source order preserved

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

API Details

Item	/supported_parameters/*
1	frequency_penalty
2	include_reasoning
3	logit_bias
4	max_tokens
5	min_p
6	presence_penalty
7	reasoning
8	reasoning_effort
9	repetition_penalty
10	response_format
11	seed
12	stop
13	structured_outputs
14	temperature
15	tool_choice
16	tools
17	top_k
18	top_p