From the source

Run Meta Llama 3.1 405B with an API

Developer tool

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Replicate announces API support for running Meta's Llama 3.1 405B model, including usage examples in JavaScript, Python, and cURL, as well as details on the model's parameters and context window.

From the source
Llama 3.1 is the latest language model from Meta. It features a massive 405 billion parameter model that rivals GPT-4 in quality, with a context window of 8000 tokens. With Replicate, you can run Llama 3.1 in the cloud with one line of code.
replicate.com