Back to all models
Llama 3.1 405B

Llama 3.1 405B

by Meta

The largest open-weight language model, offering capabilities competitive with top proprietary models.

Technical Specifications

Parameters

405B

Context Window

128K tokens

Category

Open Weight

Released

July 2024

Pricing Tier

Free

Capabilities

Text Code Multilingual Tool Use

Pricing Details

Open-weight. Free to download. Hosting costs significant due to size.

Pros

  • Largest open-weight model available
  • Competitive with proprietary models
  • Strong coding and reasoning
  • Extensive fine-tuning ecosystem

Cons

  • Extremely resource-intensive to host
  • High inference costs
  • Slower than smaller models

Best Use Cases

Enterprise-scale open-source deployment
Complex reasoning tasks
Synthetic data generation
Fine-tuning base model

Quick Info

Need AI Compliance Help?

GovernMy.ai provides expert-led compliance for EU AI Act, Colorado AI Act & ISO 42001.

Learn more

Related Models