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Llama 4 Scout

Llama 4 Scout is an open-weight language model from Meta, released on April 5, 2025.

Developer
Meta
Released
April 5, 2025
Total parameters
109B
Active parameters per token
17B
Architecture
MoE
Context window
10M
Input
Text, image
License
Llama 4 Community License
Commercial use
Yes, with conditions
Official weights, GB
217.3 GB
Hugging Face repository
huggingface.co
Checked on

Llama 4 Scout is a mixture-of-experts model with 109B total parameters, of which 17B are active for each token. Meta lists a context window of 10M tokens. The model accepts text and image input.

The weights are released under the Llama 4 Community License. Commercial use is allowed with conditions. Companies whose products had more than 700 million monthly active users on the release date need a separate license from Meta. Products must display “Built with Llama”, model names derived from it must start with “Llama”, and the Llama Acceptable Use Policy applies.

The official weights on Hugging Face take about 217 GB in BF16. Running the model needs at least that much memory across GPUs and system RAM, plus room for the context cache; quantized versions need less.

Total parameters, billions
109B
Active parameters, billions
17B
Context window, tokens
10M
License type
Custom license
License conditions
Companies whose products had more than 700 million monthly active users on the release date need a separate license from Meta. Products must display "Built with Llama", model names derived from it must start with "Llama", and the Llama Acceptable Use Policy applies.
Weights precision
BF16
License text
github.com
Sources
PageURL
Hugging Face model pagehttps://huggingface.co/meta-llama/Llama-4-Scout-17B-16E-Instruct
Hugging Face APIhttps://huggingface.co/api/models/meta-llama/Llama-4-Scout-17B-16E-Instruct?expand=safetensors

Questions

What license does Llama 4 Scout use?
The weights are released under the Llama 4 Community License.
Can I use Llama 4 Scout commercially?
Yes, with conditions. Companies whose products had more than 700 million monthly active users on the release date need a separate license from Meta, and products must display “Built with Llama”.
How much memory does Llama 4 Scout need?
The official BF16 weights take about 217 GB, and all 109B parameters must be loaded even though 17B are active per token. The memory calculator checks which setups fit.
What context window does Llama 4 Scout have?
Meta lists 10M tokens, compared with 1M for Llama 4 Maverick.

Sources

Every figure comes from the developer’s model card, license text and official announcements, and from the model’s Hugging Face repository metadata. Each model page lists its sources and the date they were checked; the register is rechecked every week.

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