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Nvidia Releases Fast Open-Source Nemotron Lightning, Starts AI Safety Consortium

8/12/2026

Summary

NVIDIA Lightning Release

NVIDIA released the open-weight Nemotron 3.5 Lightning model on 2026-08-11.
The model contains 30 billion parameters but activates roughly 3 billion per inference.
NVIDIA reports Lightning generates tokens up to four times faster than comparable models.
In PinchBench, Lightning achieved 86% accuracy and completed 10,000 tasks 30% faster than Qwen3.6 35B.
Project insiders say Nemotron 4 will have at least 1 trillion parameters and could arrive by late fall.

Summary

Nvidia Launches Consortium

Nvidia and Microsoft launched an AI safety consortium to apply open models to cybersecurity.
Nvidia CEO Jensen Huang posted on X in late July defending open-source AI and saying free models drive hardware sales.
Nvidia made the Nemotron 3.5 Lightning code freely downloadable on HuggingFace.
CrowdStrike, CodeRabbit and Harvey have customized the model while Washington debates China’s Moonshot AI Kimi K3 and warns of security and IP risks.

History

Historical Context

In 2018 Google released BERT, a 340-million-parameter encoder-only transformer that set new GLUE scores, sparking open-source sharing. The success of BERT and later open-weight models after 2023 led NVIDIA to launch the 30-billion-parameter Nemotron 3.5 Lightning in 2026, freely hosted on HuggingFace, further accelerating hardware demand. Its availability prompted corporations to form safety consortia and governments to examine AI security.

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NVIDIA Lightning Release

NVIDIA released the open-weight Nemotron 3.5 Lightning model on 2026-08-11.
The model contains 30 billion parameters but activates roughly 3 billion per inference.
NVIDIA reports Lightning generates tokens up to four times faster than comparable models.
In PinchBench, Lightning achieved 86% accuracy and completed 10,000 tasks 30% faster than Qwen3.6 35B.
Project insiders say Nemotron 4 will have at least 1 trillion parameters and could arrive by late fall.

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