In FSF 3.1 (April 2026 update), DeepMind introduces Tracked Capability Levels (TCLs) in certain domains --- a new, lower capability tier below CCLs intended to surface less extreme risks earlier in the capability progression.

supports (1)

• SStrengthening our Frontier Safety Framework primary_testimony
  weight

  0.95

  locator: Section: FSF 3.1: Introducing tracked capability levels

  “As of April 17, 2026, we are adding Tracked Capability Levels (TCLs) in certain domains to our Frontier Safety Framework, introducing a new capability level to help us spot and evaluate potential less extreme risks sooner.”