Llama 4 Scout
Summary
Llama 4 Scout is an open-weight language model from Meta, released on 5 Apr 2025. It accepts text and images and generates text, with a 1.3M-token context window and up to 16K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.10 per million input tokens and $0.30 per million output tokens (OpenRouter), across 1 provider we track.
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...
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Meta |
|---|---|
| Release date | 5 Apr 2025 [OpenRouter] |
| Status | Generally available |
| Weights | Open weights [Hugging Face] |
| License | llama4 [Hugging Face] |
| Parameters | 109B [Hugging Face] |
| Context window | 1.3M (1,310,720 tokens) [OpenRouter] |
| Max output | 16K tokens [OpenRouter] |
| Knowledge cutoff | 31 Aug 2024 [OpenRouter] |
| Input | Text and images [OpenRouter] |
| Output | Text [OpenRouter] |
| Reasoning mode | No [OpenRouter] |
| Tool calling | Yes [OpenRouter] |
| Structured output | Yes [OpenRouter] |
| Hugging Face | meta-llama/Llama-4-Scout-17B-16E-Instruct [Hugging Face] |
Llama 4 Scout API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter meta-llama/llama-4-scout | $0.10 | $0.30 | – | 328K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of Llama 4 Scout?
Llama 4 Scout has a context window of 1,310,720 tokens (1.3M) and can generate up to 16,384 tokens in a single response, according to OpenRouter.
How much does the Llama 4 Scout API cost?
Llama 4 Scout is listed from $0.10 per million input tokens and $0.30 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.
Is Llama 4 Scout open source?
Llama 4 Scout is an open-weight model: its weights are published on Hugging Face as meta-llama/Llama-4-Scout-17B-16E-Instruct under the llama4 license. Check the license terms before commercial use.
When was Llama 4 Scout released?
Meta released Llama 4 Scout on 5 Apr 2025, according to OpenRouter.
Change history
No changes detected since we started tracking this model. We re-check every source daily.