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Nemotron 3.5 Lightning (30B A3B)

NVIDIA

Nemotron 3.5 Lightning (30B A3B) is NVIDIA's open-weight mixture-of-experts model with 30 billion total parameters (3B active), built for long-running agentic tasks. It delivers efficient agentic coding performance, ranking second on PinchBench, with a 262K token context window.

Key Specifications

Parameters
30.0B
Context
262.1K
Release Date
August 11, 2026
Average Score
45.3%

Timeline

Key dates in the model's history
Announcement
August 11, 2026
Last Update
August 27, 2026
Today
September 8, 2026

Technical Specifications

Parameters
30.0B
Training Tokens
-
Knowledge Cutoff
-
Family
-
Capabilities
MultimodalZeroEval

Pricing & Availability

Input (per 1M tokens)
$0.05
Output (per 1M tokens)
$0.20
Max Input Tokens
262.1K
Max Output Tokens
262.1K
Supported Features
Function CallingStructured OutputCode ExecutionWeb SearchBatch InferenceFine-tuning

Benchmark Results

Model performance metrics across various tests and benchmarks

Programming

Programming skills tests
SWE-Bench Verified
NeMo Evaluator; BF16Self-reported
51.6%

Reasoning

Logical reasoning and analysis
GPQA
NeMo Gym / NeMo Evaluator; BF16; GPQA Diamond (no tools)Self-reported
75.0%

Other Tests

Specialized benchmarks
PinchBench
NeMo Gym / NeMo Evaluator; BF16Self-reported
85.0%
MMLU-Pro
NeMo Gym / NeMo Evaluator; BF16Self-reported
82.0%
IFBench
NeMo Gym / NeMo Evaluator; BF16; looseSelf-reported
72.0%
AA-LCR
NeMo Gym / NeMo Evaluator; BF16Self-reported
52.0%
BrowseComp
NeMo Gym / NeMo Evaluator; BF16Self-reported
37.0%
Humanity's Last Exam
NeMo Gym / NeMo Evaluator; BF16; text-only, no toolsSelf-reported
11.7%
OmniScience
NeMo Gym / NeMo Evaluator; BF16; AA-Omniscience accuracySelf-reported
17.5%
SciCode
NeMo Gym / NeMo Evaluator; BF16Self-reported
32.6%
SWE-bench Multilingual
NeMo Gym / NeMo Evaluator; BF16Self-reported
39.3%
Tau3 Banking
NeMo Gym / NeMo Evaluator; BF16; τ³-bench (Banking)Self-reported
9.3%
Terminal-Bench 2.1
NeMo Evaluator; BF16Self-reported
24.6%

License & Metadata

License
openmdw_license_v1_1
Announcement Date
August 11, 2026
Last Updated
August 27, 2026

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