OpenAI DevDay 2026: Dots, GPT-6.1 Sol and the Agents API

At DevDay 2026 (Sept 29), OpenAI announced more than 20 developer updates, centered on agents and software-building tools.

Image: codewalkers.com

Key points

• "Dots": always-on agents.
• GPT-6.1 Sol: a new model at a significantly lower price than the previous line.
• ChatGPT Spaces: shared collaboration spaces.
• The Agents API adds computer use; Codex in the cloud; a $500 Pro plan.

Why it matters

OpenAI's direction is clear: turn agents into platform infrastructure and cut prices to broaden adoption.

Source: OpenAI — DevDay 2026 Recap