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Nvidia Nemotron 3.5 Lightning TEE

Added Sep 11, 2026Open weights

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NVIDIA's open-weight 30B mixture-of-experts model with 3B active parameters for fast agentic workflows, coding, and tool use. Running inside a TEE (Trusted Execution Environment), with provider attestation support.

  • Reasoning
  • Tools
  • Structured output
Input
Text
Output
Text
Reasoning effort
none · low · medium · high
Discovery tier
Open weights

Pricing

USD per 1M tokens
Input
$0.08
Output
$0.20
Cache read
$0.04

Reference prices as published by the model provider. API example

Specifications

Context window
262.1K
Max output
65.5K

Side by side

Nvidia Nemotron 3.5 Lightning TEE compared

Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.

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Nvidia Nemotron 3.5 Lightning TEEnvidiaThis modelGPT 5 NanoOpenAIRemove
ProvidernvidiaOpenAI
Discovery tierOpen weightsEfficient
AddedSep 11, 2026Aug 7, 2025
Limits
Context window262.14K400KBest
Max output65.54K128KBest
Average output—322 tokens
Pricing, USD per 1M tokens
Input$0.08$0.05Best
Output$0.20Best$0.40
Cache read$0.04$0.005Best
Performance
Throughput—96.6 tok/s
Time to first token—1.8 s
Request success (24h)—99.9%
Benchmark indexes
Intelligence Index12.913.0Best
Coding Index26.8—
Math Index—83.7
Capabilities
ReasoningYesYes
ToolsYesNo
VisionNoYes
Structured outputYesNo
Reasoning effortnone, low, medium, highminimal, low, medium, high

Public evaluations

Benchmarks

Independent evaluation results, with how each score ranks among the models in the Noumen catalog.

  • Nvidia Nemotron 3.5 Lightning TEE
  • GPT 5 Nano

Intelligence Index

  • Nvidia Nemotron 3.5 Lightning TEE12.9
  • GPT 5 Nano13.0

Nvidia Nemotron 3.5 Lightning TEE: Better than 30% of 326 scored models

3.8Catalog models by score55.1

Indexes

  • Coding Index

    Composite of the coding evaluations

    • Nvidia Nemotron 3.5 Lightning TEE: 26.8
    • GPT 5 Nano: —

  • Math Index

    Composite of the math evaluations

    • Nvidia Nemotron 3.5 Lightning TEE: —
    • GPT 5 Nano: 83.7

Agentic work

  • AutomationBench-AA

    Workflow automation, penalized for guardrail violations

    • Nvidia Nemotron 3.5 Lightning TEE: 0.8%
    • GPT 5 Nano: —

  • AutomationBench-AA tasks completed

    Workflows finished end to end without a guardrail violation

    • Nvidia Nemotron 3.5 Lightning TEE: 0.0%
    • GPT 5 Nano: —

  • AA-Briefcasev1.1

    Agentic knowledge work, rated head to head

    • Nvidia Nemotron 3.5 Lightning TEE: 506 Elo
    • GPT 5 Nano: —

  • GDPval-AAv2.1

    Economically valuable occupational tasks, rated head to head

    • Nvidia Nemotron 3.5 Lightning TEE: 638 Elo
    • GPT 5 Nano: —

Document reasoning

  • GDP.pdf

    Professional reasoning over PDF documents, all-pass rate

    • Nvidia Nemotron 3.5 Lightning TEE: 3.0%
    • GPT 5 Nano: —

  • AA-LCRv1.1

    Reasoning across long documents

    • Nvidia Nemotron 3.5 Lightning TEE: 60.3%Top
    • GPT 5 Nano: 45.0%

  • MLCR-AA

    Long-context reasoning over medical records

    • Nvidia Nemotron 3.5 Lightning TEE: 2.2%
    • GPT 5 Nano: —

Reasoning and knowledge

  • Humanity’s Last Exam

    Expert-level questions across academic fields

    • Nvidia Nemotron 3.5 Lightning TEE: 10.6%Top
    • GPT 5 Nano: 9.5%

  • GPQA Diamond

    Graduate-level science questions

    • Nvidia Nemotron 3.5 Lightning TEE: 74.3%Top
    • GPT 5 Nano: 67.6%

  • MMLU-Pro

    Multi-subject knowledge and reasoning

    • Nvidia Nemotron 3.5 Lightning TEE: —
    • GPT 5 Nano: 78.0%

  • IFBench

    Following precise output instructions

    • Nvidia Nemotron 3.5 Lightning TEE: —
    • GPT 5 Nano: 67.6%

Coding

  • Terminal-Benchv4.0

    Practical software engineering in a terminal

    • Nvidia Nemotron 3.5 Lightning TEE: 0.5%
    • GPT 5 Nano: —

  • SciCode

    Scientific computing in Python

    • Nvidia Nemotron 3.5 Lightning TEE: 32.1%
    • GPT 5 Nano: —

  • LiveCodeBench

    Recent competitive programming problems

    • Nvidia Nemotron 3.5 Lightning TEE: —
    • GPT 5 Nano: 78.9%

Math

  • AIME 2025

    Competition mathematics, 2025 problems

    • Nvidia Nemotron 3.5 Lightning TEE: —
    • GPT 5 Nano: 83.7%

Legacy evaluations

  • Terminal-Bench Hard

    Earlier terminal task suite

    • Nvidia Nemotron 3.5 Lightning TEE: —
    • GPT 5 Nano: 12.1%

  • τ²-Bench Telecom

    Tool use in a customer-support simulation

    • Nvidia Nemotron 3.5 Lightning TEE: —
    • GPT 5 Nano: 36.5%

  • AA-LCR (unversioned)

    Long-context reasoning, earlier grading

    • Nvidia Nemotron 3.5 Lightning TEE: 60.3%Top
    • GPT 5 Nano: 45.0%

Scores from Artificial Analysis, updated Oct 26, 2026. Artificial Analysis

Developers

Use it through the API

Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.

Read the quickstart
curl https://www.noumen.xyz/api/v1/chat/completions \
  -H "Authorization: Bearer $NOUMEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "TEE/nemotron-3.5-lightning",
    "reasoning_effort": "medium",
    "messages": [{ "role": "user", "content": "Explain this stack trace." }]
  }'
import os
from openai import OpenAI

client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
    model="TEE/nemotron-3.5-lightning",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

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