Llama 2
About
Llama 2, developed by Meta AI and released in July 2023, is a prominent family of large language models designed as an open-source alternative to proprietary chatbots. Its models, available in multiple sizes from 7 billion to 70 billion parameters, provide varying levels of accuracy balanced with computational efficiency. Llama 2 supports both research and commercial use, fostering greater accessibility and innovation in the AI community. Emphasizing safety and usefulness, the model employs techniques like reinforcement learning from human feedback (RLHF) and features specialized Llama 2-Chat models optimized for conversational applications. This makes it a versatile tool for various AI-driven tasks 1 2 3.
Specifications(14 models)
| Model | Released | Context | Parameters | Structured Outputs |
|---|---|---|---|---|
| Llama 2 13B Chat | 2023-07 | 4K | 13B | Yes |
| Llama 2 7B Chat | 2023-07 | 4K | 7B | Yes |
| Llama 2 70B | 2023-07 | 4K | 70B | No |
| Llama 2 13B | 2023-07 | 4K | 13B | No |
| Llama 2 7B | 2023-07 | 4K | 7B | No |
| Llama 2 34B (Unreleased) | 2023-07 | — | 34B | No |
| Together AI Llama-2-7B-chat | 2023-07 | 4K | 7B | Yes |
| Together AI Llama-2-13B-chat | 2023-07 | 4K | 13B | Yes |
| Together AI Llama-2-70B-chat | 2023-07 | 4K | 70B | Yes |
| OctoML Llama-2-70b-chat | 2023-07 | 4K | 70B | No |
| Meta Llama 2 Chat 70B | 2023-07 | 4K | 70B | Yes |
| Llama 2 70B Chat on IBM Watsonx | 2023-07 | 4K | 70B | No |
| Vultr Llama 2 70B | 2023-07 | 4K | 70B | No |
Available From(17 providers)
Pricing
Frequently Asked Questions
- What is Llama 2?
- Llama 2, developed by Meta AI and released in July 2023, is a prominent family of large language models designed as an open-source alternative to proprietary chatbots. Its models, available in multiple sizes from 7 billion to 70 billion parameters, provide varying levels of accuracy balanced with computational efficiency. Llama 2 supports both research and commercial use, fostering greater accessibility and innovation in the AI community. Emphasizing safety and usefulness, the model employs techniques like reinforcement learning from human feedback (RLHF) and features specialized Llama 2-Chat models optimized for conversational applications. This makes it a versatile tool for various AI-driven tasks 1 2 3.
- How many models are in the Llama 2 family?
- The Llama 2 family contains 14 models.
- What is the latest Llama 2 model?
- The latest model is Llama 2 70B Chat, released in 2023-07.
- How much does Llama 2 cost?
- Llama 2 models range from $0.05/1M to $2.1/1M input tokens depending on the model and provider.
Related Model Families
Models(14)
Llama 2 13B Chat
Llama 2 7B Chat
Llama 2 70B
Llama 2 13B
Llama 2 7B
Llama 2 34B (Unreleased)
Together AI Llama-2-7B-chat
Together AI Llama-2-13B-chat
Together AI Llama-2-70B-chat
OctoML Llama-2-70b-chat
Meta Llama 2 Chat 70B
Llama 2 70B Chat on IBM Watsonx
Vultr Llama 2 70B