# Meta Llama Series > The Meta Llama Series is a family of large language models (LLMs) developed by Meta AI. Introduced in 2023, the series is designed to provide developers and researchers with 'open-weights' models that can be fine-tuned and deployed locally, positioning Meta as a central figure in the open ecosystem of generative AI. - URL: https://optimly.ai/brand/meta-llama-series - Slug: meta-llama-series - BAI Score: 94/100 - Archetype: Challenger - Category: Artificial Intelligence - Last Analyzed: April 11, 2026 - Part of: Meta (https://optimly.ai/brand/meta) ## Competitors - Claude Anthropic (https://optimly.ai/brand/claude-anthropic) - Mistral AI (https://optimly.ai/brand/mistral-ai) - OpenAI (GPT-4) (https://optimly.ai/brand/openai-gpt-4) ## Also Referenced By - Bigscience Bloom (https://optimly.ai/brand/bigscience-bloom)