Meta Llama is the world’s most widely adopted open-weights large language model family, developed by Meta AI. Recently, the release of the Llama 4 herd, consisting of Scout, Maverick, and Behemoth, has redefined the “open” AI landscape. By utilizing a Mixture of Experts (MoE) architecture and native multimodality, Meta has created a suite of models that rival top-tier proprietary systems like GPT-4.5 and Gemini 2.0 while allowing developers to host and customize the models on their own infrastructure.
The following table presents verified metrics reflecting Llama’s global adoption and the performance of the Llama 4 series.
Metric | Factual Value |
Total Model Downloads | 1 Billion+ (Cross-version) |
LMSYS Chatbot Arena ELO | 1417 (Maverick) |
Multimodal Reasoning (MMMU) | 73.4 (Maverick) |
Context Window (Scout) | 10 Million Tokens |
Fortune 500 Pilot Rate | 50% of Companies |
Training Tokens (Llama 4) | 30+ Trillion Tokens |
Enterprise Market Share | 9% of LLM Deployments |
Inference Cost (Scout) | ~$0.09 per 1M tokens |
Llama 4 utilizes a dynamic routing system that only activates a fraction of the total parameters (e.g., 17B active out of 400B total in Maverick) during inference, significantly reducing costs while maintaining frontier-level intelligence.
Unlike previous versions that used separate encoders, Llama 4 features a unified backbone trained on text, image, and video data, enabling seamless reasoning across different media types.
The Scout variant introduces an industry-leading 10 million token context window, allowing for the processing of entire codebases, massive legal libraries, or multi-hour video files in a single pass.
Optimized for over 200 languages, with deep pre-training on 100+ languages containing over 1 billion tokens each, making it the primary choice for globalized applications.
Llama 4 includes specialized “Reasoning” variants built specifically for multi-step chain-of-thought tasks and autonomous tool use.
Designed to be hardware-accessible, the 17B-active models like Scout can run on a single NVIDIA H100 GPU when using INT4 or FP8 quantization.