Llama 3.1 405B Instruct
405Bby Meta
The highly anticipated 400B class of Llama3 is here! Clocking in at 128k context with impressive eval scores, the Meta AI team continues to push the frontier of open-source LLMs. Meta's latest class of model (Llama 3.1) launched with a variety of sizes & flavors. This 405B instruct-tuned version is optimized for high quality dialogue usecases. It has demonstrated strong performance compared to leading closed-source models including GPT-4o and Claude 3.5 Sonnet in evaluations. To read more about the model release, [click here](https://ai.meta.com/blog/meta-llama-3-1/). Usage of this model is subject to [Meta's Acceptable Use Policy](https://llama.meta.com/llama3/use-policy/).
Specifications
Technical details and pricing.
Benchmarks
12 benchmark scores from Artificial Analysis.
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Frequently Asked Questions
What is Llama 3.1 405B Instruct good for?
Use Llama 3.1 405B Instruct for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Llama 3.1 405B Instruct cost?
Pricing is based on usage. Current rates are $4.00/1M tokens for input and $9.50/1M tokens for output.
Can I try Llama 3.1 405B Instruct for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does Llama 3.1 405B Instruct support images or audio?
Llama 3.1 405B Instruct focuses on text-based tasks.
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Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.