OpenAI DevDay brings GPT-6.1 Sol and a Decisions API

At DevDay 2026 OpenAI announced GPT-6.1 Sol, an Ultrafast tier for GPT-6 Astra, and a Decisions API in limited preview for classification and routing tasks, among more than 20 announcements.

What it means for business: new agent and decision tools may need human oversight if used for consequential decisions.