AI & ML Research 8 Hours

Last updated: September 13, 2026, 2:22 PM ET

AI & ML Research

Perplexity now relies on GPT-6 Astra to write communications, modify software, and monitor production systems, checking in far less often than with earlier models.

ML Engineering

Deploying a churn model means more than training it. A FastAPI endpoint and Docker reveal everything that breaks between "it runs" and "it's live."

Evaluation

Opt-in AI features rarely get randomized tests, so measured gains may be a selection effect. A practitioner's guide shows how to estimate what an AI feature actually did.