Cognition helps Devin test its own work with GPT‑6 Astra Cognition helps Devin test its own work with GPT‑6 Astra openai.com/ai 2026-09-11 1 min read original GPT‑6 Astra improves Devin’s ability to test software and show that it works, with the goal of helping engineers review less code and ship more.