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Llama 3 8B

Llama 3 8B

8B · Family: Llama 3
Meta's 8B-parameter base (pretrained) Llama 3 language model, released in 2024. Not instruction-tuned.
✓ Active✓ Public access⚖ Open weightsLLM📁 Llama 3
Context window
8K
tokens
Parameters
8B
parameters
Release date
18 April 2024
Access:DownloadAPIDeployment:💻 Local☁ Cloud

Overview

Llama 3 8B (Meta-Llama-3-8B) is Meta's 8B-parameter base, pretrained language model from the Llama 3 family, released on April 18, 2024. It is the base variant rather than the instruction-tuned (Instruct) version — it has not undergone instruction tuning or RLHF.

The model uses an optimized auto-regressive decoder-only transformer architecture with grouped-query attention (GQA) and a 128K-token tokenizer vocabulary. It was pretrained on over 15T tokens of publicly available data, with a knowledge cutoff of March 2023. The context length is 8,192 tokens (8K).

The model takes text input and generates text and code. Meta lists commercial and research use in English. Weights are available for download under the Meta Llama 3 Community License.

Classification
LLM
Family: Llama 3
Access & deployment
DownloadAPI
LocalCloud
Weights: Open weights
Key parameters
📏 Context: 8K
🧩 Parameters: 8B
✓ Fine-tuning
📥 Input: text

Technical specification

Context window
8K
tokens
Parameters
8B
parameters
Knowledge cutoff
1 Mar 2023
Knowledge boundary
License
Meta Llama 3 Community License
Hardware requirements
The 8B model fits on a single consumer/server GPU; in BF16 it needs roughly 16 GB of memory, less when quantized.
Features:✓ Fine-tuning
Modalities
⬇ Input
text
⬆ Output
textcode

Capabilities and applications

Native model capabilities
Coding
Generating, analysing and modifying code in many programming languages. Covers writing functions, debugging, refactoring, code review, and creating tests. Measured by benchmarks such as HumanEval and SWE-bench.
Category: coding

Benchmark results

4 benchmarks
MMLU
accuracy · 5-shot
66.6%
📅 18 Apr 2024📄 Hugging Face model card
ARC-Challenge
accuracy
78.6%
📅 18 Apr 2024📄 Hugging Face model card
CommonSenseQA
accuracy
72.6%
📅 18 Apr 2024📄 Hugging Face model card
SQuAD
76.4%
📅 18 Apr 2024📄 Hugging Face model card

Technical architecture

Model Form
Training Techniques