What does a 31-day brand half-life actually mean? | Trakkr Research

It means brand-level AI presence tends to halve from its peak within about a month. The study’s average brand half-life is 31 days.

Methodology: Built from 857,138 reports, 108,650 citations, 10,991 brands, and 8 tracked models across a 10-month observation window.

Direct Answer

It means brand-level AI presence tends to halve from its peak within about a month. The study’s average brand half-life is 31 days.

What this means

This answer matters because it turns a study finding into an operating rule teams can use when they decide what to publish, refresh, or measure next.

Evidence table

Metric Value Why it matters
Brand half-life 31 days Average time for brand presence to halve from peak.
Brands analyzed 10,991 Brands covered in the broader longitudinal study.

Frequently Asked Questions

What does a 31-day brand half-life actually mean?

It means brand-level AI presence tends to halve from its peak within about a month. The study’s average brand half-life is 31 days.

Which numbers from The Half-Life of AI Citations matter most here?

Brand half-life: 31 days. Average time for brand presence to halve from peak. Brands analyzed: 10,991. Brands covered in the broader longitudinal study.

What should a team do next?

Measure visibility as a moving system, not a one-time citation snapshot. Refresh and monitor citation-driving pages on the cadence your models actually decay, not the cadence that feels comfortable. Separate durable wins from temporary spikes so the team is not overreacting to short-lived mentions.

What to do next

Related pages

Continue through the same study cluster.

Data & Sources