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Meta Released April 5, 2025 Synced Apr 19, 2026

Meta: Llama 4 Scout

Llama 4 Scout 17B Instruct (16E) is a mixture-of-experts (MoE) language model developed by Meta, activating 17 billion parameters out of a total of 109B. It supports native multimodal input...

Tool useVision

Why it stands out

328K-token context window handles longer documents and multi-turn conversations without truncation.
Tool use support makes it viable for function-calling and agentic pipelines.
Multimodal input (vision) extends it beyond text-only workflows.
$0.08/M input makes it practical for always-on agents, batch processing, or high-volume classification.

What to watch

No benchmark score currently tracked — evaluate using task-specific testing alongside pricing and capability data.

Release timeline

Tracked events for Meta: Llama 4 Scout.

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release

Meta: Llama 4 Scout entered the tracked catalog

April 5, 2025

Llama 4 Scout 17B Instruct (16E) is a mixture-of-experts (MoE) language model developed by Meta, activating 17 billion parameters out of a total of 109B. It supports native multimodal input (text and image) and multilingual output (text and code) across 12 supported languages. Designed for assistant-style interaction and visual reasoning, Scout uses 16 experts per forward pass and features a context length of 10 million tokens, with a training corpus of ~40 trillion tokens. Built for high efficiency and local or commercial deployment, Llama 4 Scout incorporates early fusion for seamless modality integration. It is instruction-tuned for use in multilingual chat, captioning, and image understanding tasks. Released under the Llama 4 Community License, it was last trained on data up to August 2024 and launched publicly on April 5, 2025.

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Recent changes

LaunchApr 5

Meta launched Meta: Llama 4 Scout

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