How accurate is Nemotron 3.5 Lightning?

Nemotron 3.5 Lightning answered 35 of 80 questions correctly (43.8%) in our 2026-10-27 run, ranking #51 of 78 models.

How fast is Nemotron 3.5 Lightning?

Nemotron 3.5 Lightning generated a median of 116 output tokens per second in our 2026-10-27 run, ranking #31 of 78. Median time to first token was 0.5 s.

What is the latency of Nemotron 3.5 Lightning?

Nemotron 3.5 Lightning had a median time to first token of 0.5 s in our 2026-10-27 run, ranking #13 of 78 models.

How much does Nemotron 3.5 Lightning cost?

Nemotron 3.5 Lightning cost $0.00049 per question on average as billed in our 2026-10-27 run, reasoning tokens included.

What is Nemotron 3.5 Lightning API pricing?

Nemotron 3.5 Lightning is listed at $0.07 per million input tokens and $0.2 per million output tokens on OpenRouter.

What is the context window of Nemotron 3.5 Lightning?

Nemotron 3.5 Lightning accepts up to 262,144 tokens of context, according to OpenRouter's model catalogue.

Is Nemotron 3.5 Lightning open source?

Yes. Nemotron 3.5 Lightning is an open-weights model: NVIDIA publishes the weights, so you can run it yourself as well as through an API.

Who makes Nemotron 3.5 Lightning?

Nemotron 3.5 Lightning is made by NVIDIA. We tested it through OpenRouter using the model ID nvidia/nemotron-3.5-lightning.

Where can I use Nemotron 3.5 Lightning via API?

Through OpenRouter, Nemotron 3.5 Lightning is served by 3 hosts: CoreWeave, DeepInfra, Io Net.

NVIDIAOpen weightsReleased 11 Aug 2026

Nemotron 3.5 Lightning benchmarks, speed and API pricing

Reviewed by LLM Verifications team · Tested 26 Oct 2026

Compare

Available through OpenRouter on

Darkbloom$0.025 in · $0.12 out
Io Net$0.0469 in · $0.134 out
DeepInfra$0.06 in · $0.16 out
CoreWeave$0.07 in · $0.2 out

Intelligence43.8% correct#51 of 72

Speed116tok/s#31 of 72

Cost$0.00049per question#16 of 72List $0.07 in · $0.2 out per 1M

Verbosity2,846tokens per question#61 of 72

Summary

Answers 35 of 80 verification questions correctly (43.8%), placing #51 of 72 models tested on the current suite.
Generates 116 output tokens per second, faster than 58% of the models we measure.
Starts responding after 0.5 s (median time to first token), including thinking time.
Costs $0.00049 per question as billed, #8 cheapest of 12 models priced under $0.15 per 1M tokens.

Specifications

Reasoning: Yes
Input: text
Output: text
Context window: 262k tokens
Weights: Open weights
Knowledge cutoff: —
OpenRouter ID: nvidia/nemotron-3.5-lightning
Last tested: 26 Oct 2026

Peer group: 13 models with a blended list price under $0.15 per 1M tokens (3 input : 1 output). Charts below compare Nemotron 3.5 Lightning with all models; cost and speed charts focus on this peer group.

Intelligence

Verification score: the share of 80 questions from open datasets answered correctly. See the benchmark datasets.

Score vs. cost per question

Nemotron 3.5 Lightning circled; dashed line joins models no cheaper model beats

Score vs. end-to-end response time

Nemotron 3.5 Lightning circled · accurate and quick sits top left

Score vs. tokens per question

Nemotron 3.5 Lightning circled · output tokens, reasoning included

Verification score

All models tested on the current suite

61 more models · see the full leaderboard

Cost

Average cost of one question, split into input, reasoning and answer tokens at each model's list price. Reasoning tokens are billed as output.

Cost per question, by token type

Peer group: blended price under $0.15

1gpt-oss-20b$0.000049
2Granite 4.0 Micro$0.000051
3Granite 4.2 8B$0.000077
4Nova Micro 1.0$0.000087
5Mercury 2.5$0.00011
6Phi 4$0.00012
7Ministral 3 3B 2512$0.0002
8Solar Mini 4$0.00053
9Nemotron 3.5 Lightning$0.00059
10Ling 3.1 Flash$0.00061
11Reka Flash 3$0.0008
12Gemma 4 26B A4B$0.0011

Input Reasoning Answer

Cost per question, as billed

All models · lower is better

1Granite 4.0 Micro$0.000051
2gpt-oss-20b$0.000066
3Granite 4.2 8B$0.000077
4Nova Micro 1.0$0.000087
5Mercury 2.5$0.00011
6Phi 4$0.00012
7gpt-oss-120b$0.00013
8GLM 5.3 Flash$0.00015
9Ministral 3 3B 2512$0.00019
10GPT-6 Luna$0.00025
16Nemotron 3.5 Lightning$0.00049

61 more models · see the full leaderboard

Speed and latency

Median of 3 streamed runs of the same prompt, measured 25 Oct 2026.

Output speed

Peer group (under $0.15) · higher is better

Time to first token

Peer group (under $0.15) · lower is better

End-to-end response time

Peer group (under $0.15) · lower is better

Latency vs. output speed

Nemotron 3.5 Lightning circled · quick to start and fast sits top left

Results by category

Questions answered correctly in each category

Science14/30

Engineering4/15

Medicine4/11

Economics6/9

Law1/6

Humanities & social science6/9

More from NVIDIA

NVIDIA#38Nemotron 3 Ultra60.0% verification score136 tok/s0.8 s first token$0.0057 / question

NVIDIA#58Nemotron 3.5 Super VL40.0% verification score715 tok/s0.6 s first token$0.0013 / question

All NVIDIA models →

Compare Nemotron 3.5 Lightning

Head to head with its closest rivals, other NVIDIA models and the top models overall.

Hosts and prices

Every host serving this model through OpenRouter, from OpenRouter's catalogue

Host	Input / 1M	Output / 1M	Context	Max output	Quantization
Darkbloom	$0.025	$0.12	262k	33k	int4
Io Net	$0.0469	$0.134	262k	131k	—
DeepInfra	$0.06	$0.16	262k	33k	bf16
CoreWeave	$0.07	$0.2	262k	236k	bf16

Sources

Scores, speed and billed cost are our own measurements. Prices, context window and hosts come from OpenRouter's catalogue on the test date.

Nemotron 3.5 Lightning on OpenRouter: list prices and hosts
Model card on Hugging Face: weights and licence
SuperGPQA (paper): 50 of the questions, ODC-BY 1.0
MMLU-Pro (paper): 30 of the questions, MIT
OpenRouter generation records: where billed cost and native token counts come from
Our methodology and editorial standards

Nemotron 3.5 Lightning: frequently asked questions

How accurate is Nemotron 3.5 Lightning?: Nemotron 3.5 Lightning answered 35 of 80 questions correctly (43.8%) in our 2026-10-27 run, ranking #51 of 78 models.
How fast is Nemotron 3.5 Lightning?: Nemotron 3.5 Lightning generated a median of 116 output tokens per second in our 2026-10-27 run, ranking #31 of 78. Median time to first token was 0.5 s.
What is the latency of Nemotron 3.5 Lightning?: Nemotron 3.5 Lightning had a median time to first token of 0.5 s in our 2026-10-27 run, ranking #13 of 78 models.
How much does Nemotron 3.5 Lightning cost?: Nemotron 3.5 Lightning cost $0.00049 per question on average as billed in our 2026-10-27 run, reasoning tokens included.
What is Nemotron 3.5 Lightning API pricing?: Nemotron 3.5 Lightning is listed at $0.07 per million input tokens and $0.2 per million output tokens on OpenRouter.
What is the context window of Nemotron 3.5 Lightning?: Nemotron 3.5 Lightning accepts up to 262,144 tokens of context, according to OpenRouter's model catalogue.
Is Nemotron 3.5 Lightning open source?: Yes. Nemotron 3.5 Lightning is an open-weights model: NVIDIA publishes the weights, so you can run it yourself as well as through an API.
Who makes Nemotron 3.5 Lightning?: Nemotron 3.5 Lightning is made by NVIDIA. We tested it through OpenRouter using the model ID nvidia/nemotron-3.5-lightning.
Where can I use Nemotron 3.5 Lightning via API?: Through OpenRouter, Nemotron 3.5 Lightning is served by 3 hosts: CoreWeave, DeepInfra, Io Net.

NVIDIAOpen weightsReleased 11 Aug 2026

Nemotron 3.5 Lightning benchmarks, speed and API pricing

Reviewed by LLM Verifications team · Tested 26 Oct 2026

Compare

Available through OpenRouter on

Darkbloom$0.025 in · $0.12 out
Io Net$0.0469 in · $0.134 out
DeepInfra$0.06 in · $0.16 out
CoreWeave$0.07 in · $0.2 out

Intelligence43.8% correct#51 of 72

Speed116tok/s#31 of 72

Cost$0.00049per question#16 of 72List $0.07 in · $0.2 out per 1M

Verbosity2,846tokens per question#61 of 72

Summary

Answers 35 of 80 verification questions correctly (43.8%), placing #51 of 72 models tested on the current suite.
Generates 116 output tokens per second, faster than 58% of the models we measure.
Starts responding after 0.5 s (median time to first token), including thinking time.
Costs $0.00049 per question as billed, #8 cheapest of 12 models priced under $0.15 per 1M tokens.

Specifications

Reasoning: Yes
Input: text
Output: text
Context window: 262k tokens
Weights: Open weights
Knowledge cutoff: —
OpenRouter ID: nvidia/nemotron-3.5-lightning
Last tested: 26 Oct 2026

Intelligence

Verification score: the share of 80 questions from open datasets answered correctly. See the benchmark datasets.

Score vs. cost per question

Nemotron 3.5 Lightning circled; dashed line joins models no cheaper model beats

Score vs. end-to-end response time

Nemotron 3.5 Lightning circled · accurate and quick sits top left

Score vs. tokens per question

Nemotron 3.5 Lightning circled · output tokens, reasoning included

Verification score

All models tested on the current suite

61 more models · see the full leaderboard

Cost

Average cost of one question, split into input, reasoning and answer tokens at each model's list price. Reasoning tokens are billed as output.

Cost per question, by token type

Peer group: blended price under $0.15

1gpt-oss-20b$0.000049
2Granite 4.0 Micro$0.000051
3Granite 4.2 8B$0.000077
4Nova Micro 1.0$0.000087
5Mercury 2.5$0.00011
6Phi 4$0.00012
7Ministral 3 3B 2512$0.0002
8Solar Mini 4$0.00053
9Nemotron 3.5 Lightning$0.00059
10Ling 3.1 Flash$0.00061
11Reka Flash 3$0.0008
12Gemma 4 26B A4B$0.0011

Input Reasoning Answer

Cost per question, as billed

All models · lower is better

1Granite 4.0 Micro$0.000051
2gpt-oss-20b$0.000066
3Granite 4.2 8B$0.000077
4Nova Micro 1.0$0.000087
5Mercury 2.5$0.00011
6Phi 4$0.00012
7gpt-oss-120b$0.00013
8GLM 5.3 Flash$0.00015
9Ministral 3 3B 2512$0.00019
10GPT-6 Luna$0.00025
16Nemotron 3.5 Lightning$0.00049

61 more models · see the full leaderboard

Speed and latency

Median of 3 streamed runs of the same prompt, measured 25 Oct 2026.

Output speed

Peer group (under $0.15) · higher is better

Time to first token

Peer group (under $0.15) · lower is better

End-to-end response time

Peer group (under $0.15) · lower is better

Latency vs. output speed

Nemotron 3.5 Lightning circled · quick to start and fast sits top left

Results by category

Questions answered correctly in each category

Science14/30

Engineering4/15

Medicine4/11

Economics6/9

Law1/6

Humanities & social science6/9

More from NVIDIA

NVIDIA#38Nemotron 3 Ultra60.0% verification score136 tok/s0.8 s first token$0.0057 / question

NVIDIA#58Nemotron 3.5 Super VL40.0% verification score715 tok/s0.6 s first token$0.0013 / question

All NVIDIA models →

Compare Nemotron 3.5 Lightning

Head to head with its closest rivals, other NVIDIA models and the top models overall.

Hosts and prices

Every host serving this model through OpenRouter, from OpenRouter's catalogue

Host	Input / 1M	Output / 1M	Context	Max output	Quantization
Darkbloom	$0.025	$0.12	262k	33k	int4
Io Net	$0.0469	$0.134	262k	131k	—
DeepInfra	$0.06	$0.16	262k	33k	bf16
CoreWeave	$0.07	$0.2	262k	236k	bf16

Sources

Scores, speed and billed cost are our own measurements. Prices, context window and hosts come from OpenRouter's catalogue on the test date.

Nemotron 3.5 Lightning on OpenRouter: list prices and hosts
Model card on Hugging Face: weights and licence
SuperGPQA (paper): 50 of the questions, ODC-BY 1.0
MMLU-Pro (paper): 30 of the questions, MIT
OpenRouter generation records: where billed cost and native token counts come from
Our methodology and editorial standards

Nemotron 3.5 Lightning: frequently asked questions

How accurate is Nemotron 3.5 Lightning?: Nemotron 3.5 Lightning answered 35 of 80 questions correctly (43.8%) in our 2026-10-27 run, ranking #51 of 78 models.
How fast is Nemotron 3.5 Lightning?: Nemotron 3.5 Lightning generated a median of 116 output tokens per second in our 2026-10-27 run, ranking #31 of 78. Median time to first token was 0.5 s.
What is the latency of Nemotron 3.5 Lightning?: Nemotron 3.5 Lightning had a median time to first token of 0.5 s in our 2026-10-27 run, ranking #13 of 78 models.
How much does Nemotron 3.5 Lightning cost?: Nemotron 3.5 Lightning cost $0.00049 per question on average as billed in our 2026-10-27 run, reasoning tokens included.
What is Nemotron 3.5 Lightning API pricing?: Nemotron 3.5 Lightning is listed at $0.07 per million input tokens and $0.2 per million output tokens on OpenRouter.
What is the context window of Nemotron 3.5 Lightning?: Nemotron 3.5 Lightning accepts up to 262,144 tokens of context, according to OpenRouter's model catalogue.
Is Nemotron 3.5 Lightning open source?: Yes. Nemotron 3.5 Lightning is an open-weights model: NVIDIA publishes the weights, so you can run it yourself as well as through an API.
Who makes Nemotron 3.5 Lightning?: Nemotron 3.5 Lightning is made by NVIDIA. We tested it through OpenRouter using the model ID nvidia/nemotron-3.5-lightning.
Where can I use Nemotron 3.5 Lightning via API?: Through OpenRouter, Nemotron 3.5 Lightning is served by 3 hosts: CoreWeave, DeepInfra, Io Net.