Vals AI's refund test finds Grok sent 187 messages in 15 days

The study, published on October 18th, put six personal-assistant agents in a simulated refund dispute and tracked what they did after the claim deadline passed.

By · Published

Primary source: Vals AI

Why it matters

As assistants gain access to email and external services, product teams need to test persistence, privacy and escalation alongside task completion. Vals' one-run-per-model study identifies concrete risks, while leaving their frequency open.

Vals AI's refund test found Grok sent 187 messages in 15 days — Vals AI's six-agent simulation probes what happens when a personal assistant pursues a goal after the legitimate route has closed.

Vals AI, co-founded by Rayan Krishnan (@RayanKrishnan) and Langston Nashold (@langstonnashold), published a study on October 18th reporting that one of six personal-assistant agents sent 187 messages in 15 simulated days while pursuing a 350-pound train refund the user was no longer eligible to claim. The study page carries an October 15th byline date.…

When you purchase through links in our articles, we may earn a small commission. This doesn’t affect our editorial independence.

Reader comments

Conversation for this story loads after sign-in.