How do I write an honest AI progress update without making it sound indecisive?
An honest AI progress update helps leadership decide. Show what changed and what the evidence supports, then name the uncertainty that matters for the next decision and what follows from it. Say what check is already underway.
Open with the intended outcome and the current result. Keep completed work, a test in progress and a prediction about future value apart, and don't let an impressive example stand in for a measured result.
The unknown goes next to the decision
I'd name the uncertainty right beside the recommendation, with its consequence and the check underway. Don't bury it in a general risk section after a confident recommendation.
Where you can, offer a bounded choice. Leaders may be able to approve another test while holding a wider rollout, and you should spell out the resources and commitments that choice involves.
Close with the next review and the evidence you expect by then. An unresolved question can stay open in an update when someone owns it and it's tied to an action. It becomes a problem when the update treats it as answered without saying so, and others plan around that assumption.