# Llama 3.1 405B Instruct FP8

Llama 3.1 405B Instruct FP8 is a model from Meta with open weights, first recorded on 7 Oct 2026; its release date is not established.

- Developer: Meta
- Id: meta-llama/Llama-3.1-405B-Instruct-FP8
- Sighting: 2026-10-07T19:43:44.353Z
  - [evidence link](https://huggingface.co/meta-llama/Llama-3.1-405B-Instruct-FP8)
- Status: Sighting
- Canonical: https://alexgetman.com/models/meta/llama-3-1-405b-instruct-fp8/

## Questions

### Are the weights of Llama 3.1 405B Instruct FP8 publicly available?

Yes. Meta publishes the weights.

### When was Llama 3.1 405B Instruct FP8 released?

Its release date is not established. Signal Forge first recorded it on 7 Oct 2026.

## Evidence links

- [huggingface:meta-llama](https://huggingface.co/meta-llama/Llama-3.1-405B-Instruct-FP8)

## Signals