Alex Getmanearly AI signals

Llama 3.1 405B Instruct NVFP4

NVIDIA

ReleasedUpdated

Timeline

  1. · Weights version · evidence link
Specifications

Llama 3.1 405B Instruct NVFP4 is a model from NVIDIA with open weights, first recorded on 11 Nov 2026; its release date is not established.

Weights
Open

Questions

Are the weights of Llama 3.1 405B Instruct NVFP4 publicly available?

Yes. NVIDIA publishes the weights.

When was Llama 3.1 405B Instruct NVFP4 released?

Its release date is not established. Signal Forge first recorded it on 11 Nov 2026.