Meta on English AI Terms Dictionary

Llama 2

Sat, 18 Jul 2026 10:05:29 +0000

Definition

Released by Meta AI in July 2023, Llama 2 represents a significant evolution in open-weight large language models. It offers pre-trained and fine-tuned variants ranging from 7 billion to 70 billion parameters. Key improvements include a doubled context window of 4096 tokens, optimized transformer architecture for efficiency, and enhanced safety measures through extensive human feedback. It marked a pivotal moment by making high-performance models accessible to researchers and developers globally, fostering innovation in the open-source AI community.

Llama 3

Sat, 18 Jul 2026 10:05:29 +0000

Definition

Introduced in April 2024, Llama 3 builds upon the success of Llama 2 with substantial enhancements in performance and capability. The model family includes 8 billion and 70 billion parameter versions, trained on a massive 15 trillion token dataset. It features a larger context window of 8,192 tokens, improved instruction following, and superior performance in coding and mathematical reasoning benchmarks. Llama 3 also introduces advanced safety filters and supports multiple languages, solidifying its position as a leading open-weight model for enterprise and research applications.

Llama3.1

Sat, 18 Jul 2026 10:05:29 +0000

Definition

Released in August 2024, Llama 3.1 expands the Llama family to include a massive 405 billion parameter model alongside smaller 8B and 70B variants. A standout feature is the extended context window of 128,000 tokens, enabling the processing of vast documents. It introduces native function calling and tool-use capabilities, allowing seamless integration with external APIs and software. The model demonstrates state-of-the-art performance in reasoning, coding, and multilingual tasks, setting new standards for open-weight large language models.

Llama

Sat, 18 Jul 2026 10:05:14 +0000

Definition

Llama (Large Language Model Meta AI) is a series of foundational large language models released by Meta. Unlike many proprietary models, Llama models are often released with open weights, allowing researchers and developers to fine-tune them for specific applications. The series has evolved significantly, with newer versions offering improved reasoning, coding capabilities, and multilingual support. Llama has become a cornerstone of the open-source AI ecosystem, enabling widespread experimentation and deployment of generative AI technologies across various industries.