Alex Getmanearly AI signals

Ising Calibration 1.5 31B NVFP4

NVIDIA

ReleasedUpdated

Timeline

  1. · Weights version · evidence link
Specifications

Ising Calibration 1.5 31B NVFP4 is a model from NVIDIA with open weights, first recorded on 11 Sep 2026; its release date is not established.

Weights
Open

Questions

Are the weights of Ising Calibration 1.5 31B NVFP4 publicly available?

Yes. NVIDIA publishes the weights.

When was Ising Calibration 1.5 31B NVFP4 released?

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