Alex Getmanearly AI signals

ACE2 SHiELD

Ai2

ReleasedUpdated

Timeline

  1. · Weights version · evidence link
Specifications

ACE2 SHiELD is a model from Ai2 with open weights, first recorded on 1 Nov 2026; its release date is not established.

Weights
Open

Questions

Are the weights of ACE2 SHiELD publicly available?

Yes. Ai2 publishes the weights.

When was ACE2 SHiELD released?

Its release date is not established. Signal Forge first recorded it on 1 Nov 2026.