Llama
Meta AI (FAIR)Llama (Large Language Model Meta AI) is Meta's family of open-weight language models. First released in February 2023, Llama has become the most widely adopted open-weight model family. Llama 2 (July 2023) introduced commercial licensing, Llama 3 (April 2024) significantly closed the gap to proprietary models, and Llama 4 (April 2025) introduced mixture-of-experts architecture. Llama models are available for download and can be self-hosted.
Llama Family6
| Model | Tier | Released | Input $/MTok |
|---|---|---|---|
| Llama 4 Scout | 2025-04-05 | ||
| Llama 4 Maverick | 2025-04-05 | ||
| Llama 3.3 | 2024-12-06 | ||
| Llama 3.1 | 2024-07-23 | ||
| Llama 3 | 2024-04-18 | ||
| Llama 2 | 2023-07-18 |