Nemotron 3.5 Lightning

NVIDIA's open-weight model, downloadable and modifiable without a license fee.

NVIDIA · Open-weight/community models · model

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Overview

NVIDIA released Nemotron 3.5 Lightning on August 11, 2026, an open-weight AI model that anyone can download, run, and modify without paying a license fee, continuing NVIDIA's Nemotron 3 family strategy of releasing weights, training data, RL environments, and post-training recipes.

This is a sourced directory entry. Features and capabilities are reported in the linked sources; this entry does not document independent Aymorphic testing.

Key features

  • No license fee for download, run, or modify
  • Part of the broader Nemotron 3 open family (alongside Nano, Super, Ultra)
  • NVIDIA also releases training data and RL environments alongside weights

Use cases

  • Enterprise on-prem deployment
  • Research requiring full training-recipe transparency

Pricing

Free, open weights (exact license name unconfirmed).

Pricing reflects the source record and may change. Confirm current terms with the provider.

Dates and sources

Released
11 Aug 2026
Record updated
23 Sept 2026
Record last checked
23 Sept 2026

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