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Llama 3.1 405B Instruct

Ultra-Scale Dense Open Weights
Official Source & Paper
Meta AI logo Meta 📄 Open Weights (Llama 3.1 License) 🌍 United States (US) 🗓️ Effective Date: 23.07.2024

The world's largest openly accessible foundational model, trained on 15+ trillion tokens across 16,000 H100 GPUs.

Model Size / Parameters 405B Dense Architecture: Ultra-Scale Dense Open Weights
Context Window (Input) 128k tokens Token Capacity
Max Output Tokens 8,192 tokens Single Generation Limit
Supported Modalities Text, Code Native Multimodal Ingestion
License & Access Open Weights (Llama 3.1 License) Open Weights vs. API
Release Date July 2024 Effective Date: 23.07.2024

Verified Benchmark Results

Standardized academic and industry evaluation benchmarks (Effective Date: 23.07.2024).

MMLU-Pro / 5-Shot General Intellect
88.6%
SWE-bench Verified Software Engineering
38.0%
MATH 500 / AIME Mathematical Reasoning
84.0%
GPQA Diamond Doctoral Science
51.1%
HumanEval / Python Algorithm Synthesis
89.0%

Pricing & Cost Efficiency

Official API token pricing and self-hosted licensing terms.

Input Pricing (Prompt)
Free / Self-Hosted
Per 1 million processed tokens
Output Pricing (Generation)
Free / Self-Hosted
Per 1 million generated tokens
Verified Datasheet: Source: Meta Research Documentation • Effective Date: 23.07.2024
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