Llama-3.3-Nemotron-Super-49B-v1

Claims and evidence

• Released 18 March 2025 ● Primary source[1]Release Date; Model Version [2]dateline; Availability

• Status AvailableOpen weights still downloadable from NVIDIA's Hugging Face organisation. NVIDIA has marked only its hosted API endpoint on build.nvidia.com as deprecated (see notes); no deprecation of the model weights was found. ● Primary source[1]model card and files

• Derived from (distillation) Llama 3.3 (Meta) ● Primary source[1]derived from Llama-3.3-70B-Instruct

• Input text ● Primary source[1]Input
• Output text ● Primary source[1]Output
• Feature Reasoning modeReasoning on or off is selected through the system prompt. ● Primary source[1]Quick Start and Usage Recommendations [3]Overview of test-time scaling
• Feature Tool use ● Primary source[1]Model Overview
• Open weights YesGoverned by the NVIDIA Open Model License; the Llama 3.3 Community License Agreement also applies (Built with Llama). ● Primary source[1]License/Terms of Use
• Context window 131,072 tokens tokensThe model overview also gives the context length as 128K tokens. ● Primary source[1]Input
• Parameters 49B ● Primary source[3]Super [4]abstract
• Access Open-weights download, APIHosted preview API and NIM microservice on build.nvidia.com at release; NVIDIA has since marked the hosted API deprecated (no longer supported after 08/25/2026). ● Primary source[2]Availability [1]Quick Start and Usage Recommendations [5]endpoint page

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